diff --git a/keyboards/25keys/zinc/rev1/config.h b/keyboards/25keys/zinc/rev1/config.h
index 1b2ae25cd82..947f5ccfb16 100644
--- a/keyboards/25keys/zinc/rev1/config.h
+++ b/keyboards/25keys/zinc/rev1/config.h
@@ -21,7 +21,6 @@ along with this program. If not, see .
#define TAPPING_TERM 100
/* Use I2C or Serial */
-#define USE_SERIAL
#define SOFT_SERIAL_PIN D2
/* Select hand configuration */
diff --git a/keyboards/25keys/zinc/reva/config.h b/keyboards/25keys/zinc/reva/config.h
index f740f4d0119..54a26cd5bc8 100644
--- a/keyboards/25keys/zinc/reva/config.h
+++ b/keyboards/25keys/zinc/reva/config.h
@@ -21,7 +21,6 @@ along with this program. If not, see .
#define TAPPING_TERM 100
/* Use I2C or Serial */
-#define USE_SERIAL
#define SOFT_SERIAL_PIN D2
/* Select hand configuration */
diff --git a/keyboards/40percentclub/25/config.h b/keyboards/40percentclub/25/config.h
index 9027cdac5fe..06ace32eb5f 100644
--- a/keyboards/40percentclub/25/config.h
+++ b/keyboards/40percentclub/25/config.h
@@ -18,7 +18,6 @@
#include "config_common.h"
-#define USE_SERIAL
/* serial.c configuration for split keyboard */
#define SOFT_SERIAL_PIN D0
diff --git a/keyboards/40percentclub/6lit/config.h b/keyboards/40percentclub/6lit/config.h
index c886eb48da2..4b2b97fcba3 100644
--- a/keyboards/40percentclub/6lit/config.h
+++ b/keyboards/40percentclub/6lit/config.h
@@ -18,8 +18,6 @@
#include "config_common.h"
-#define USE_SERIAL
-
/* serial.c configuration for split keyboard */
#define SOFT_SERIAL_PIN D0
diff --git a/keyboards/40percentclub/foobar/config.h b/keyboards/40percentclub/foobar/config.h
index d507a2c4452..502bbf38e32 100644
--- a/keyboards/40percentclub/foobar/config.h
+++ b/keyboards/40percentclub/foobar/config.h
@@ -18,8 +18,6 @@
#include "config_common.h"
-#define USE_SERIAL
-
/* serial.c configuration for split keyboard */
#define SOFT_SERIAL_PIN D0
diff --git a/keyboards/40percentclub/half_n_half/config.h b/keyboards/40percentclub/half_n_half/config.h
index f47788ce876..2851b909f12 100644
--- a/keyboards/40percentclub/half_n_half/config.h
+++ b/keyboards/40percentclub/half_n_half/config.h
@@ -43,7 +43,6 @@ along with this program. If not, see .
* Split Keyboard specific options, make sure you have 'SPLIT_KEYBOARD = yes' in your rules.mk, and define SOFT_SERIAL_PIN.
*/
#define SOFT_SERIAL_PIN D0 // or D1, D2, D3, E6
-#define USE_SERIAL
// #define BACKLIGHT_PIN B7
// #define BACKLIGHT_BREATHING
diff --git a/keyboards/a_dux/config.h b/keyboards/a_dux/config.h
index ffda0a301c5..c7e3775028e 100644
--- a/keyboards/a_dux/config.h
+++ b/keyboards/a_dux/config.h
@@ -59,9 +59,6 @@ along with this program. If not, see .
/* Locking resynchronize hack */
#define LOCKING_RESYNC_ENABLE
-/* Serial settings */
-#define USE_SERIAL
-
/* serial.c configuration for split keyboard */
#define SOFT_SERIAL_PIN D1
diff --git a/keyboards/adkb96/keymaps/default/config.h b/keyboards/adkb96/keymaps/default/config.h
index bef279a6d03..3f8d841423a 100644
--- a/keyboards/adkb96/keymaps/default/config.h
+++ b/keyboards/adkb96/keymaps/default/config.h
@@ -20,9 +20,7 @@ along with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
-#define USE_SERIAL
//#define USE_I2C
/* Select hand configuration */
diff --git a/keyboards/alt34/rev1/config.h b/keyboards/alt34/rev1/config.h
index 7027d449ece..38b4e5b50ac 100644
--- a/keyboards/alt34/rev1/config.h
+++ b/keyboards/alt34/rev1/config.h
@@ -38,9 +38,7 @@ along with this program. If not, see .
/* Locking resynchronize hack */
#define LOCKING_RESYNC_ENABLE
-/* Use I2C or Serial, not both */
#define USE_I2C
-// #define USE_SERIAL
/* Select hand configuration */
#define EE_HANDS
diff --git a/keyboards/arabica37/rev1/config.h b/keyboards/arabica37/rev1/config.h
index b3a9fd3f89e..b68709f63b5 100644
--- a/keyboards/arabica37/rev1/config.h
+++ b/keyboards/arabica37/rev1/config.h
@@ -18,7 +18,6 @@ along with this program. If not, see .
#pragma once
-#define USE_SERIAL
#define SOFT_SERIAL_PIN D2
/* key matrix size */
diff --git a/keyboards/biacco42/ergo42/keymaps/biacco-biacco/config.h b/keyboards/biacco42/ergo42/keymaps/biacco-biacco/config.h
index 360d6a56217..f12d6fb3d4a 100644
--- a/keyboards/biacco42/ergo42/keymaps/biacco-biacco/config.h
+++ b/keyboards/biacco42/ergo42/keymaps/biacco-biacco/config.h
@@ -20,9 +20,6 @@ along with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
// #define USE_I2C
/* Select hand configuration */
diff --git a/keyboards/biacco42/ergo42/keymaps/biacco-macOS/config.h b/keyboards/biacco42/ergo42/keymaps/biacco-macOS/config.h
index 360d6a56217..f0717a46328 100644
--- a/keyboards/biacco42/ergo42/keymaps/biacco-macOS/config.h
+++ b/keyboards/biacco42/ergo42/keymaps/biacco-macOS/config.h
@@ -20,11 +20,6 @@ along with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
#define MASTER_LEFT
diff --git a/keyboards/biacco42/ergo42/keymaps/biacco-underglow/config.h b/keyboards/biacco42/ergo42/keymaps/biacco-underglow/config.h
index efadfa8143c..ee8c84e1ee6 100644
--- a/keyboards/biacco42/ergo42/keymaps/biacco-underglow/config.h
+++ b/keyboards/biacco42/ergo42/keymaps/biacco-underglow/config.h
@@ -20,11 +20,6 @@ along with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
#define MASTER_LEFT
diff --git a/keyboards/biacco42/ergo42/keymaps/biacco-winjp/config.h b/keyboards/biacco42/ergo42/keymaps/biacco-winjp/config.h
index 360d6a56217..f0717a46328 100644
--- a/keyboards/biacco42/ergo42/keymaps/biacco-winjp/config.h
+++ b/keyboards/biacco42/ergo42/keymaps/biacco-winjp/config.h
@@ -20,11 +20,6 @@ along with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
#define MASTER_LEFT
diff --git a/keyboards/biacco42/ergo42/keymaps/biacco/config.h b/keyboards/biacco42/ergo42/keymaps/biacco/config.h
index 360d6a56217..f0717a46328 100644
--- a/keyboards/biacco42/ergo42/keymaps/biacco/config.h
+++ b/keyboards/biacco42/ergo42/keymaps/biacco/config.h
@@ -20,11 +20,6 @@ along with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
#define MASTER_LEFT
diff --git a/keyboards/biacco42/ergo42/keymaps/default-illustrator/config.h b/keyboards/biacco42/ergo42/keymaps/default-illustrator/config.h
index 360d6a56217..f0717a46328 100644
--- a/keyboards/biacco42/ergo42/keymaps/default-illustrator/config.h
+++ b/keyboards/biacco42/ergo42/keymaps/default-illustrator/config.h
@@ -20,11 +20,6 @@ along with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
#define MASTER_LEFT
diff --git a/keyboards/biacco42/ergo42/keymaps/default-underglow/config.h b/keyboards/biacco42/ergo42/keymaps/default-underglow/config.h
index efadfa8143c..ee8c84e1ee6 100644
--- a/keyboards/biacco42/ergo42/keymaps/default-underglow/config.h
+++ b/keyboards/biacco42/ergo42/keymaps/default-underglow/config.h
@@ -20,11 +20,6 @@ along with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
#define MASTER_LEFT
diff --git a/keyboards/biacco42/ergo42/keymaps/default/config.h b/keyboards/biacco42/ergo42/keymaps/default/config.h
index 360d6a56217..f0717a46328 100644
--- a/keyboards/biacco42/ergo42/keymaps/default/config.h
+++ b/keyboards/biacco42/ergo42/keymaps/default/config.h
@@ -20,11 +20,6 @@ along with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
#define MASTER_LEFT
diff --git a/keyboards/biacco42/ergo42/keymaps/hdbx/config.h b/keyboards/biacco42/ergo42/keymaps/hdbx/config.h
index 4f0704ae1a6..7a67860718a 100644
--- a/keyboards/biacco42/ergo42/keymaps/hdbx/config.h
+++ b/keyboards/biacco42/ergo42/keymaps/hdbx/config.h
@@ -20,11 +20,6 @@ along with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
#define MASTER_LEFT
diff --git a/keyboards/biacco42/ergo42/keymaps/ichi-t/config.h b/keyboards/biacco42/ergo42/keymaps/ichi-t/config.h
index 360d6a56217..f0717a46328 100644
--- a/keyboards/biacco42/ergo42/keymaps/ichi-t/config.h
+++ b/keyboards/biacco42/ergo42/keymaps/ichi-t/config.h
@@ -20,11 +20,6 @@ along with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
#define MASTER_LEFT
diff --git a/keyboards/biacco42/ergo42/keymaps/koba/config.h b/keyboards/biacco42/ergo42/keymaps/koba/config.h
index 360d6a56217..f0717a46328 100644
--- a/keyboards/biacco42/ergo42/keymaps/koba/config.h
+++ b/keyboards/biacco42/ergo42/keymaps/koba/config.h
@@ -20,11 +20,6 @@ along with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
#define MASTER_LEFT
diff --git a/keyboards/biacco42/ergo42/keymaps/shinze/config.h b/keyboards/biacco42/ergo42/keymaps/shinze/config.h
index 360d6a56217..f0717a46328 100644
--- a/keyboards/biacco42/ergo42/keymaps/shinze/config.h
+++ b/keyboards/biacco42/ergo42/keymaps/shinze/config.h
@@ -20,11 +20,6 @@ along with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
#define MASTER_LEFT
diff --git a/keyboards/biacco42/ergo42/keymaps/yshrsmz/config.h b/keyboards/biacco42/ergo42/keymaps/yshrsmz/config.h
index 1892ef6529b..eb2dbd6dd07 100644
--- a/keyboards/biacco42/ergo42/keymaps/yshrsmz/config.h
+++ b/keyboards/biacco42/ergo42/keymaps/yshrsmz/config.h
@@ -20,11 +20,6 @@ along with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
#define MASTER_LEFT
diff --git a/keyboards/boardsource/microdox/config.h b/keyboards/boardsource/microdox/config.h
index 517e0e7376c..aaab2bf0f68 100644
--- a/keyboards/boardsource/microdox/config.h
+++ b/keyboards/boardsource/microdox/config.h
@@ -29,7 +29,7 @@ along with this program. If not, see .
// wiring of each half
#define MATRIX_COL_PINS \
{ F4, F5, F6, F7, B1 }
-#define USE_SERIAL
+
#define SOFT_SERIAL_PIN D2
/* define if matrix has ghost */
//#define MATRIX_HAS_GHOST
diff --git a/keyboards/cradio/config.h b/keyboards/cradio/config.h
index 90a54015901..8a1127b47c0 100644
--- a/keyboards/cradio/config.h
+++ b/keyboards/cradio/config.h
@@ -43,8 +43,6 @@
/* Debounce reduces chatter (unintended double-presses) - set 0 if debouncing is not needed */
#define DEBOUNCE 5
-/* Serial settings */
-#define USE_SERIAL
/* serial.c configuration for split keyboard */
#define SOFT_SERIAL_PIN D2
diff --git a/keyboards/crkbd/config.h b/keyboards/crkbd/config.h
index 21f3aa0ab44..df17352d9c4 100644
--- a/keyboards/crkbd/config.h
+++ b/keyboards/crkbd/config.h
@@ -61,5 +61,3 @@ along with this program. If not, see .
//#define NO_ACTION_LAYER
//#define NO_ACTION_TAPPING
//#define NO_ACTION_ONESHOT
-
-#define USE_SERIAL
diff --git a/keyboards/crkbd/keymaps/dsanchezseco/config.h b/keyboards/crkbd/keymaps/dsanchezseco/config.h
index bece69ba67a..4fd8fc94c45 100644
--- a/keyboards/crkbd/keymaps/dsanchezseco/config.h
+++ b/keyboards/crkbd/keymaps/dsanchezseco/config.h
@@ -20,9 +20,6 @@ along with this program. If not, see .
#pragma once
-//#define USE_MATRIX_I2C
-#define USE_SERIAL
-
/* Select hand configuration */
// #define MASTER_LEFT
diff --git a/keyboards/crkbd/keymaps/joe_scotto/config.h b/keyboards/crkbd/keymaps/joe_scotto/config.h
index e38d4a9183b..c76937eae4e 100644
--- a/keyboards/crkbd/keymaps/joe_scotto/config.h
+++ b/keyboards/crkbd/keymaps/joe_scotto/config.h
@@ -61,6 +61,4 @@ along with this program. If not, see .
//#define NO_ACTION_TAPPING
//#define NO_ACTION_ONESHOT
-#define USE_SERIAL
-
-#define TAPPING_TERM 50
\ No newline at end of file
+#define TAPPING_TERM 50
diff --git a/keyboards/crkbd/r2g/config.h b/keyboards/crkbd/r2g/config.h
index e451612484e..877a59fcc68 100644
--- a/keyboards/crkbd/r2g/config.h
+++ b/keyboards/crkbd/r2g/config.h
@@ -19,7 +19,6 @@ along with this program. If not, see .
#pragma once
-#define USE_SERIAL
#define SOFT_SERIAL_PIN D2
/* ws2812 RGB LED */
diff --git a/keyboards/crkbd/rev1/config.h b/keyboards/crkbd/rev1/config.h
index 9f196a71669..d2a5a6b2c84 100644
--- a/keyboards/crkbd/rev1/config.h
+++ b/keyboards/crkbd/rev1/config.h
@@ -18,7 +18,6 @@ along with this program. If not, see .
#pragma once
-#define USE_SERIAL
#define SOFT_SERIAL_PIN D2
/* ws2812 RGB LED */
diff --git a/keyboards/deltasplit75/keymaps/default/config.h b/keyboards/deltasplit75/keymaps/default/config.h
index 307531da667..7a054691739 100644
--- a/keyboards/deltasplit75/keymaps/default/config.h
+++ b/keyboards/deltasplit75/keymaps/default/config.h
@@ -18,8 +18,6 @@ along with this program. If not, see .
#pragma once
-#define USE_SERIAL
-
#define MASTER_LEFT
// #define MASTER_RIGHT
// #define EE_HANDS
diff --git a/keyboards/deltasplit75/keymaps/itsaferbie/config.h b/keyboards/deltasplit75/keymaps/itsaferbie/config.h
index 24c3d5be239..f837c90ad40 100644
--- a/keyboards/deltasplit75/keymaps/itsaferbie/config.h
+++ b/keyboards/deltasplit75/keymaps/itsaferbie/config.h
@@ -16,8 +16,6 @@ along with this program. If not, see .
*/
-#define USE_SERIAL
-
#define MASTER_LEFT
// #define MASTER_RIGHT
// #define EE_HANDS
diff --git a/keyboards/deltasplit75/keymaps/mbsurfer/config.h b/keyboards/deltasplit75/keymaps/mbsurfer/config.h
index f14678a2230..2a2e4ece9f6 100644
--- a/keyboards/deltasplit75/keymaps/mbsurfer/config.h
+++ b/keyboards/deltasplit75/keymaps/mbsurfer/config.h
@@ -16,8 +16,6 @@ along with this program. If not, see .
*/
-#define USE_SERIAL
-
#define MASTER_LEFT
// #define MASTER_RIGHT
// #define EE_HANDS
diff --git a/keyboards/deltasplit75/keymaps/protosplit/config.h b/keyboards/deltasplit75/keymaps/protosplit/config.h
index f14678a2230..2a2e4ece9f6 100644
--- a/keyboards/deltasplit75/keymaps/protosplit/config.h
+++ b/keyboards/deltasplit75/keymaps/protosplit/config.h
@@ -16,8 +16,6 @@ along with this program. If not, see .
*/
-#define USE_SERIAL
-
#define MASTER_LEFT
// #define MASTER_RIGHT
// #define EE_HANDS
diff --git a/keyboards/dm9records/ergoinu/config.h b/keyboards/dm9records/ergoinu/config.h
index 7e6743d677a..2171f372419 100644
--- a/keyboards/dm9records/ergoinu/config.h
+++ b/keyboards/dm9records/ergoinu/config.h
@@ -21,8 +21,6 @@ along with this program. If not, see .
#include "config_common.h"
-#define USE_SERIAL
-
/* serial.c configuration for split keyboard */
#define SOFT_SERIAL_PIN D2
diff --git a/keyboards/draculad/config.h b/keyboards/draculad/config.h
index c4a3f821178..3570fb41e9c 100644
--- a/keyboards/draculad/config.h
+++ b/keyboards/draculad/config.h
@@ -29,8 +29,6 @@ along with this program. If not, see .
#define DEBOUNCE 5
-
-#define USE_SERIAL
#define SOFT_SERIAL_PIN D2
#ifdef OLED_ENABLE
diff --git a/keyboards/ergoslab/keymaps/default/config.h b/keyboards/ergoslab/keymaps/default/config.h
index 2c47a7440db..e15fd605f41 100644
--- a/keyboards/ergoslab/keymaps/default/config.h
+++ b/keyboards/ergoslab/keymaps/default/config.h
@@ -17,11 +17,6 @@ along with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
// #define MASTER_LEFT
diff --git a/keyboards/ergotravel/keymaps/default/config.h b/keyboards/ergotravel/keymaps/default/config.h
index 7461cf321d7..b827d9ef329 100644
--- a/keyboards/ergotravel/keymaps/default/config.h
+++ b/keyboards/ergotravel/keymaps/default/config.h
@@ -17,11 +17,6 @@ along with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
#define MASTER_LEFT
diff --git a/keyboards/ergotravel/keymaps/ian/config.h b/keyboards/ergotravel/keymaps/ian/config.h
index dea5b121ea9..501919e0577 100644
--- a/keyboards/ergotravel/keymaps/ian/config.h
+++ b/keyboards/ergotravel/keymaps/ian/config.h
@@ -17,11 +17,6 @@ along with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
// #define MASTER_LEFT
diff --git a/keyboards/ergotravel/keymaps/jarred/config.h b/keyboards/ergotravel/keymaps/jarred/config.h
index d64187b5982..c2948493ed6 100644
--- a/keyboards/ergotravel/keymaps/jarred/config.h
+++ b/keyboards/ergotravel/keymaps/jarred/config.h
@@ -17,9 +17,6 @@ along with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
-
-// #define USE_SERIAL
#define USE_I2C
/* Select hand configuration */
diff --git a/keyboards/ergotravel/keymaps/rs/config.h b/keyboards/ergotravel/keymaps/rs/config.h
index eeca26ce1db..e50534e99de 100644
--- a/keyboards/ergotravel/keymaps/rs/config.h
+++ b/keyboards/ergotravel/keymaps/rs/config.h
@@ -17,11 +17,6 @@ along with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
#define MASTER_LEFT
diff --git a/keyboards/ergotravel/keymaps/via/config.h b/keyboards/ergotravel/keymaps/via/config.h
index 9b26bf4c9d4..6d9ccb8d6d2 100644
--- a/keyboards/ergotravel/keymaps/via/config.h
+++ b/keyboards/ergotravel/keymaps/via/config.h
@@ -17,11 +17,6 @@ along with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
#define MASTER_LEFT
diff --git a/keyboards/ergotravel/keymaps/yanfali/config.h b/keyboards/ergotravel/keymaps/yanfali/config.h
index 072554991f3..52ab36f2db3 100644
--- a/keyboards/ergotravel/keymaps/yanfali/config.h
+++ b/keyboards/ergotravel/keymaps/yanfali/config.h
@@ -17,11 +17,6 @@ along with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
#define MASTER_LEFT
diff --git a/keyboards/ferris/sweep/config.h b/keyboards/ferris/sweep/config.h
index 1708ec6e2bf..a1043b73b5b 100644
--- a/keyboards/ferris/sweep/config.h
+++ b/keyboards/ferris/sweep/config.h
@@ -42,8 +42,6 @@ along with this program. If not, see .
/* Debounce reduces chatter (unintended double-presses) - set 0 if debouncing is not needed */
#define DEBOUNCE 5
-/* Serial settings */
-#define USE_SERIAL
/* serial.c configuration for split keyboard */
#define SOFT_SERIAL_PIN D2
diff --git a/keyboards/fortitude60/keymaps/default/config.h b/keyboards/fortitude60/keymaps/default/config.h
index ac47978baba..7e9b510ff69 100644
--- a/keyboards/fortitude60/keymaps/default/config.h
+++ b/keyboards/fortitude60/keymaps/default/config.h
@@ -16,5 +16,3 @@ along with this program. If not, see .
*/
#pragma once
-
-#define USE_SERIAL
diff --git a/keyboards/fortitude60/keymaps/via/config.h b/keyboards/fortitude60/keymaps/via/config.h
index ac47978baba..7e9b510ff69 100644
--- a/keyboards/fortitude60/keymaps/via/config.h
+++ b/keyboards/fortitude60/keymaps/via/config.h
@@ -16,5 +16,3 @@ along with this program. If not, see .
*/
#pragma once
-
-#define USE_SERIAL
diff --git a/keyboards/fungo/rev1/config.h b/keyboards/fungo/rev1/config.h
index 5026099f7dc..ff0444c71c5 100644
--- a/keyboards/fungo/rev1/config.h
+++ b/keyboards/fungo/rev1/config.h
@@ -20,8 +20,6 @@
#include "config_common.h"
-/* Use I2C or Serial, not both */
-#define USE_SERIAL
#define SOFT_SERIAL_PIN D3 // RX8
/* select keyboard master board - I2C or Serial communication master */
@@ -38,7 +36,7 @@
#define MATRIX_ROW_PINS { D4, C6, D7, E6, B4, B5}
#define MATRIX_COL_PINS_RIGHT {F7, F6, F5, F4, B5, B4, E6}
-#define MATRIX_ROW_PINS_RIGHT { D1, D0, D4, C6, D7, D3} // TX
+#define MATRIX_ROW_PINS_RIGHT { D1, D0, D4, C6, D7, D3} // TX
diff --git a/keyboards/handwired/brain/keymaps/klackygears/config.h b/keyboards/handwired/brain/keymaps/klackygears/config.h
index 4dd99c8b3a2..5115f018010 100644
--- a/keyboards/handwired/brain/keymaps/klackygears/config.h
+++ b/keyboards/handwired/brain/keymaps/klackygears/config.h
@@ -17,8 +17,6 @@ along with this program. If not, see .
#pragma once
-//#define USE_SERIAL
-
#define PERMISSIVE_HOLD
#define TAPPING_TERM 150
#define IGNORE_MOD_TAP_INTERRUPT
diff --git a/keyboards/handwired/chiron/keymaps/default/config.h b/keyboards/handwired/chiron/keymaps/default/config.h
index 08134a720b0..e67664253c9 100644
--- a/keyboards/handwired/chiron/keymaps/default/config.h
+++ b/keyboards/handwired/chiron/keymaps/default/config.h
@@ -16,7 +16,6 @@
#pragma once
-#define USE_SERIAL
#define MASTER_RIGHT
//#define MASTER_LEFT
diff --git a/keyboards/handwired/dactyl_manuform/3x5_3/config.h b/keyboards/handwired/dactyl_manuform/3x5_3/config.h
index 804db6c7e32..ccd9d0cdc4d 100644
--- a/keyboards/handwired/dactyl_manuform/3x5_3/config.h
+++ b/keyboards/handwired/dactyl_manuform/3x5_3/config.h
@@ -18,10 +18,6 @@ along with this program. If not, see .
#include "config_common.h"
-// Communication
-// #define USE_I2C
-#define USE_SERIAL
-
/* key matrix size */
// Rows are doubled-up
#define MATRIX_ROWS 8
diff --git a/keyboards/handwired/dactyl_manuform/4x5/keymaps/default/config.h b/keyboards/handwired/dactyl_manuform/4x5/keymaps/default/config.h
index 18320c0952a..335ac8cd3e4 100644
--- a/keyboards/handwired/dactyl_manuform/4x5/keymaps/default/config.h
+++ b/keyboards/handwired/dactyl_manuform/4x5/keymaps/default/config.h
@@ -20,10 +20,6 @@ along with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
-#define USE_SERIAL
-//#define USE_I2C
-
/* Select hand configuration */
//#define MASTER_LEFT
//#define MASTER_RIGHT
diff --git a/keyboards/handwired/dactyl_manuform/4x5/keymaps/dvorak/config.h b/keyboards/handwired/dactyl_manuform/4x5/keymaps/dvorak/config.h
index 6b0ddbfe8e3..cbacb25ca4a 100644
--- a/keyboards/handwired/dactyl_manuform/4x5/keymaps/dvorak/config.h
+++ b/keyboards/handwired/dactyl_manuform/4x5/keymaps/dvorak/config.h
@@ -20,11 +20,6 @@ along with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
// #define MASTER_LEFT
diff --git a/keyboards/handwired/dactyl_manuform/4x5/keymaps/ibnuda/config.h b/keyboards/handwired/dactyl_manuform/4x5/keymaps/ibnuda/config.h
index 07a1323db26..a597d848e2e 100644
--- a/keyboards/handwired/dactyl_manuform/4x5/keymaps/ibnuda/config.h
+++ b/keyboards/handwired/dactyl_manuform/4x5/keymaps/ibnuda/config.h
@@ -20,11 +20,6 @@ along with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
#define MASTER_LEFT
diff --git a/keyboards/handwired/dactyl_manuform/4x6/keymaps/default/config.h b/keyboards/handwired/dactyl_manuform/4x6/keymaps/default/config.h
index 18320c0952a..335ac8cd3e4 100644
--- a/keyboards/handwired/dactyl_manuform/4x6/keymaps/default/config.h
+++ b/keyboards/handwired/dactyl_manuform/4x6/keymaps/default/config.h
@@ -20,10 +20,6 @@ along with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
-#define USE_SERIAL
-//#define USE_I2C
-
/* Select hand configuration */
//#define MASTER_LEFT
//#define MASTER_RIGHT
diff --git a/keyboards/handwired/dactyl_manuform/5x6/keymaps/333fred/config.h b/keyboards/handwired/dactyl_manuform/5x6/keymaps/333fred/config.h
index 87b5b663751..9ee1c3e3cb6 100644
--- a/keyboards/handwired/dactyl_manuform/5x6/keymaps/333fred/config.h
+++ b/keyboards/handwired/dactyl_manuform/5x6/keymaps/333fred/config.h
@@ -22,7 +22,6 @@
#pragma once
-#define USE_SERIAL
#define EE_HANDS
#undef TAPPING_TERM
diff --git a/keyboards/handwired/dactyl_manuform/5x6/keymaps/default/config.h b/keyboards/handwired/dactyl_manuform/5x6/keymaps/default/config.h
index 5a20f9473fe..4d83c191f3c 100644
--- a/keyboards/handwired/dactyl_manuform/5x6/keymaps/default/config.h
+++ b/keyboards/handwired/dactyl_manuform/5x6/keymaps/default/config.h
@@ -17,8 +17,6 @@ along with this program. If not, see .
#pragma once
-#define USE_SERIAL
-
#define MASTER_LEFT
//#define MASTER_RIGHT
diff --git a/keyboards/handwired/dactyl_manuform/5x6/keymaps/impstyle/config.h b/keyboards/handwired/dactyl_manuform/5x6/keymaps/impstyle/config.h
index d046806eaac..68900af390b 100644
--- a/keyboards/handwired/dactyl_manuform/5x6/keymaps/impstyle/config.h
+++ b/keyboards/handwired/dactyl_manuform/5x6/keymaps/impstyle/config.h
@@ -17,8 +17,6 @@ along with this program. If not, see .
#pragma once
-#define USE_SERIAL
-
#define MASTER_LEFT
// #define MASTER_RIGHT
//#define EE_HANDS
diff --git a/keyboards/handwired/dactyl_manuform/5x6/keymaps/rishka/config.h b/keyboards/handwired/dactyl_manuform/5x6/keymaps/rishka/config.h
index 98dc7600316..bcfea1f14f0 100644
--- a/keyboards/handwired/dactyl_manuform/5x6/keymaps/rishka/config.h
+++ b/keyboards/handwired/dactyl_manuform/5x6/keymaps/rishka/config.h
@@ -18,8 +18,6 @@ along with this program. If not, see .
#pragma once
-
-// #define USE_SERIAL
#define USE_I2C
// #define MASTER_LEFT
// #define MASTER_RIGHT
diff --git a/keyboards/handwired/dactyl_manuform/5x6/keymaps/squirrel/config.h b/keyboards/handwired/dactyl_manuform/5x6/keymaps/squirrel/config.h
index e8899a3689a..626fe3cbdc7 100644
--- a/keyboards/handwired/dactyl_manuform/5x6/keymaps/squirrel/config.h
+++ b/keyboards/handwired/dactyl_manuform/5x6/keymaps/squirrel/config.h
@@ -18,9 +18,6 @@ along with this program. If not, see .
#pragma once
-
-#define USE_SERIAL
-
#define MASTER_LEFT
// #define MASTER_RIGHT
//#define EE_HANDS
diff --git a/keyboards/handwired/dactyl_manuform/5x6/keymaps/swedish/config.h b/keyboards/handwired/dactyl_manuform/5x6/keymaps/swedish/config.h
index 29ab59ad66b..b63c5788d18 100644
--- a/keyboards/handwired/dactyl_manuform/5x6/keymaps/swedish/config.h
+++ b/keyboards/handwired/dactyl_manuform/5x6/keymaps/swedish/config.h
@@ -18,9 +18,6 @@ along with this program. If not, see .
#pragma once
-
-#define USE_SERIAL
-
#define MASTER_LEFT
// #define MASTER_RIGHT
//#define EE_HANDS
diff --git a/keyboards/handwired/dactyl_manuform/5x6/keymaps/thattolleyguy/config.h b/keyboards/handwired/dactyl_manuform/5x6/keymaps/thattolleyguy/config.h
index 2caa5b5bd1a..8625389eba2 100644
--- a/keyboards/handwired/dactyl_manuform/5x6/keymaps/thattolleyguy/config.h
+++ b/keyboards/handwired/dactyl_manuform/5x6/keymaps/thattolleyguy/config.h
@@ -18,10 +18,6 @@ along with this program. If not, see .
#pragma once
-
-#define USE_SERIAL
-// #define USE_I2C
-
// #define MASTER_LEFT
// #define MASTER_RIGHT
#define EE_HANDS
diff --git a/keyboards/handwired/dactyl_manuform/5x6/keymaps/uqs/config.h b/keyboards/handwired/dactyl_manuform/5x6/keymaps/uqs/config.h
index 4eca68c5428..af5842e602e 100644
--- a/keyboards/handwired/dactyl_manuform/5x6/keymaps/uqs/config.h
+++ b/keyboards/handwired/dactyl_manuform/5x6/keymaps/uqs/config.h
@@ -2,8 +2,6 @@
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
-#define USE_SERIAL
-
#define RGBLED_NUM 12
#define RGBLED_SPLIT {6,6}
#define RGBLIGHT_LIMIT_VAL 127
diff --git a/keyboards/handwired/dactyl_manuform/5x6_2_5/keymaps/default/config.h b/keyboards/handwired/dactyl_manuform/5x6_2_5/keymaps/default/config.h
index c4fb3742d96..9c1430e4314 100644
--- a/keyboards/handwired/dactyl_manuform/5x6_2_5/keymaps/default/config.h
+++ b/keyboards/handwired/dactyl_manuform/5x6_2_5/keymaps/default/config.h
@@ -17,8 +17,6 @@ along with this program. If not, see .
#pragma once
-#define USE_SERIAL
-
#define EE_HANDS
#define KINETIC_SPEED
diff --git a/keyboards/handwired/dactyl_manuform/5x6_5/keymaps/333fred/config.h b/keyboards/handwired/dactyl_manuform/5x6_5/keymaps/333fred/config.h
index eea543ae24d..68ea3f1933d 100644
--- a/keyboards/handwired/dactyl_manuform/5x6_5/keymaps/333fred/config.h
+++ b/keyboards/handwired/dactyl_manuform/5x6_5/keymaps/333fred/config.h
@@ -22,7 +22,6 @@
#pragma once
-#define USE_SERIAL
#define EE_HANDS
#undef TAPPING_TERM
diff --git a/keyboards/handwired/dactyl_manuform/5x6_5/keymaps/cykedev/config.h b/keyboards/handwired/dactyl_manuform/5x6_5/keymaps/cykedev/config.h
index 9ae7b44a698..5a94cd17607 100644
--- a/keyboards/handwired/dactyl_manuform/5x6_5/keymaps/cykedev/config.h
+++ b/keyboards/handwired/dactyl_manuform/5x6_5/keymaps/cykedev/config.h
@@ -25,7 +25,6 @@
#undef BOOTMAGIC_LITE_COLUMN_RIGHT
-#define USE_SERIAL
#define SOFT_SERIAL_PIN D2
#define EE_HANDS
// #define SPLIT_USB_DETECT
diff --git a/keyboards/handwired/dactyl_manuform/5x6_5/keymaps/default/config.h b/keyboards/handwired/dactyl_manuform/5x6_5/keymaps/default/config.h
index c4fb3742d96..9c1430e4314 100644
--- a/keyboards/handwired/dactyl_manuform/5x6_5/keymaps/default/config.h
+++ b/keyboards/handwired/dactyl_manuform/5x6_5/keymaps/default/config.h
@@ -17,8 +17,6 @@ along with this program. If not, see .
#pragma once
-#define USE_SERIAL
-
#define EE_HANDS
#define KINETIC_SPEED
diff --git a/keyboards/handwired/dactyl_manuform/5x6_5/keymaps/via/config.h b/keyboards/handwired/dactyl_manuform/5x6_5/keymaps/via/config.h
index dc2d3ee1111..f898b9cbd3e 100755
--- a/keyboards/handwired/dactyl_manuform/5x6_5/keymaps/via/config.h
+++ b/keyboards/handwired/dactyl_manuform/5x6_5/keymaps/via/config.h
@@ -17,8 +17,6 @@ along with this program. If not, see .
#pragma once
-#define USE_SERIAL
-
#define EE_HANDS
-#define KINETIC_SPEED
\ No newline at end of file
+#define KINETIC_SPEED
diff --git a/keyboards/handwired/dactyl_manuform/5x7/keymaps/default/config.h b/keyboards/handwired/dactyl_manuform/5x7/keymaps/default/config.h
index 5a20f9473fe..4d83c191f3c 100644
--- a/keyboards/handwired/dactyl_manuform/5x7/keymaps/default/config.h
+++ b/keyboards/handwired/dactyl_manuform/5x7/keymaps/default/config.h
@@ -17,8 +17,6 @@ along with this program. If not, see .
#pragma once
-#define USE_SERIAL
-
#define MASTER_LEFT
//#define MASTER_RIGHT
diff --git a/keyboards/handwired/dactyl_manuform/5x7/keymaps/via/config.h b/keyboards/handwired/dactyl_manuform/5x7/keymaps/via/config.h
index 5a20f9473fe..4d83c191f3c 100644
--- a/keyboards/handwired/dactyl_manuform/5x7/keymaps/via/config.h
+++ b/keyboards/handwired/dactyl_manuform/5x7/keymaps/via/config.h
@@ -17,8 +17,6 @@ along with this program. If not, see .
#pragma once
-#define USE_SERIAL
-
#define MASTER_LEFT
//#define MASTER_RIGHT
diff --git a/keyboards/handwired/dactyl_manuform/6x6/keymaps/default/config.h b/keyboards/handwired/dactyl_manuform/6x6/keymaps/default/config.h
index 5a20f9473fe..4d83c191f3c 100644
--- a/keyboards/handwired/dactyl_manuform/6x6/keymaps/default/config.h
+++ b/keyboards/handwired/dactyl_manuform/6x6/keymaps/default/config.h
@@ -17,8 +17,6 @@ along with this program. If not, see .
#pragma once
-#define USE_SERIAL
-
#define MASTER_LEFT
//#define MASTER_RIGHT
diff --git a/keyboards/handwired/dactyl_manuform/dmote/62key/keymaps/default/config.h b/keyboards/handwired/dactyl_manuform/dmote/62key/keymaps/default/config.h
index 2e1d4f8dc37..18092620449 100644
--- a/keyboards/handwired/dactyl_manuform/dmote/62key/keymaps/default/config.h
+++ b/keyboards/handwired/dactyl_manuform/dmote/62key/keymaps/default/config.h
@@ -1,5 +1,3 @@
#pragma once
-#define USE_SERIAL
-
#define EE_HANDS
diff --git a/keyboards/handwired/dactyl_promicro/keymaps/default/config.h b/keyboards/handwired/dactyl_promicro/keymaps/default/config.h
index ce8f3501ada..bbcd4fdcf64 100644
--- a/keyboards/handwired/dactyl_promicro/keymaps/default/config.h
+++ b/keyboards/handwired/dactyl_promicro/keymaps/default/config.h
@@ -17,8 +17,6 @@ along with this program. If not, see .
#pragma once
-#define USE_SERIAL
-
#define MASTER_RIGHT
// #define MASTER_RIGHT
//#define EE_HANDS
diff --git a/keyboards/handwired/dactyl_promicro/keymaps/impstyle/config.h b/keyboards/handwired/dactyl_promicro/keymaps/impstyle/config.h
index ce8f3501ada..bbcd4fdcf64 100644
--- a/keyboards/handwired/dactyl_promicro/keymaps/impstyle/config.h
+++ b/keyboards/handwired/dactyl_promicro/keymaps/impstyle/config.h
@@ -17,8 +17,6 @@ along with this program. If not, see .
#pragma once
-#define USE_SERIAL
-
#define MASTER_RIGHT
// #define MASTER_RIGHT
//#define EE_HANDS
diff --git a/keyboards/handwired/elrgo_s/keymaps/default/config.h b/keyboards/handwired/elrgo_s/keymaps/default/config.h
index f3ef42b9b42..b5f8c85421c 100644
--- a/keyboards/handwired/elrgo_s/keymaps/default/config.h
+++ b/keyboards/handwired/elrgo_s/keymaps/default/config.h
@@ -12,11 +12,9 @@
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see .
- */
+ */
#pragma once
-#define USE_SERIAL
-
#define MASTER_LEFT
// #define MASTER_RIGHT
diff --git a/keyboards/handwired/ks63/config.h b/keyboards/handwired/ks63/config.h
index 565c48ab9ee..31ea4bbe320 100644
--- a/keyboards/handwired/ks63/config.h
+++ b/keyboards/handwired/ks63/config.h
@@ -68,5 +68,4 @@ along with this program. If not, see .
//#define NO_ACTION_ONESHOT
#define MASTER_LEFT
-#define USE_SERIAL
diff --git a/keyboards/handwired/myskeeb/config.h b/keyboards/handwired/myskeeb/config.h
index 0e64b01274e..06e87822904 100644
--- a/keyboards/handwired/myskeeb/config.h
+++ b/keyboards/handwired/myskeeb/config.h
@@ -15,7 +15,6 @@
// Comunication and Split Detection
-#define USE_SERIAL
#define SOFT_SERIAL_PIN D3
#define SELECT_SOFT_SERIAL_SPEED 1
#define SPLIT_USB_DETECT
diff --git a/keyboards/handwired/not_so_minidox/config.h b/keyboards/handwired/not_so_minidox/config.h
index e137931a1ab..66615a39275 100644
--- a/keyboards/handwired/not_so_minidox/config.h
+++ b/keyboards/handwired/not_so_minidox/config.h
@@ -31,8 +31,6 @@ along with this program. If not, see .
#define MATRIX_ROW_PINS { D7, E6, B4, B5 }
#define MATRIX_COL_PINS { B6, B2, B3, B1, F7, D4 }
-#define USE_SERIAL
-
/*
* Split Keyboard specific options, make sure you have 'SPLIT_KEYBOARD = yes' in your rules.mk, and define SOFT_SERIAL_PIN.
*/
diff --git a/keyboards/handwired/qc60/keymaps/wntrmln/config.h b/keyboards/handwired/qc60/keymaps/wntrmln/config.h
index fabebda534e..10887bdf189 100644
--- a/keyboards/handwired/qc60/keymaps/wntrmln/config.h
+++ b/keyboards/handwired/qc60/keymaps/wntrmln/config.h
@@ -1,5 +1,3 @@
#pragma once
-#define USE_SERIAL
-
#define MASTER_LEFT
diff --git a/keyboards/handwired/split89/config.h b/keyboards/handwired/split89/config.h
index 8cb8f4e1eaf..b6e8157d2c6 100644
--- a/keyboards/handwired/split89/config.h
+++ b/keyboards/handwired/split89/config.h
@@ -54,7 +54,6 @@ COLS = number of cols per side which curently needs to be equal so there are bla
* Split Keyboard specific options, make sure you have 'SPLIT_KEYBOARD = yes' in your rules.mk, and define SOFT_SERIAL_PIN.
*/
#define SOFT_SERIAL_PIN D0 // or D1, D2, D3, E6
-#define USE_SERIAL
//#define LED_NUM_LOCK_PIN B0
//#define LED_CAPS_LOCK_PIN B1
diff --git a/keyboards/handwired/stef9998/split_5x7/keymaps/default/config.h b/keyboards/handwired/stef9998/split_5x7/keymaps/default/config.h
index 2a19e475021..4afee280a08 100644
--- a/keyboards/handwired/stef9998/split_5x7/keymaps/default/config.h
+++ b/keyboards/handwired/stef9998/split_5x7/keymaps/default/config.h
@@ -17,8 +17,6 @@ along with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
-// #define USE_SERIAL
#define USE_I2C
/* Select hand configuration */
diff --git a/keyboards/handwired/stef9998/split_5x7/keymaps/stef9998/config.h b/keyboards/handwired/stef9998/split_5x7/keymaps/stef9998/config.h
index 3b7ee90f925..d8a98f8d406 100644
--- a/keyboards/handwired/stef9998/split_5x7/keymaps/stef9998/config.h
+++ b/keyboards/handwired/stef9998/split_5x7/keymaps/stef9998/config.h
@@ -17,8 +17,6 @@ along with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
-//#define USE_SERIAL
#define USE_I2C
/* Select hand configuration */
@@ -31,4 +29,4 @@ along with this program. If not, see .
#define TAPPING_TERM_PER_KEY
#define IGNORE_MOD_TAP_INTERRUPT
-#define IGNORE_MOD_TAP_INTERRUPT_PER_KEY
\ No newline at end of file
+#define IGNORE_MOD_TAP_INTERRUPT_PER_KEY
diff --git a/keyboards/handwired/unk/keymaps/default/config.h b/keyboards/handwired/unk/keymaps/default/config.h
index 3d2b4c7be75..3d8851ac436 100644
--- a/keyboards/handwired/unk/keymaps/default/config.h
+++ b/keyboards/handwired/unk/keymaps/default/config.h
@@ -18,8 +18,6 @@ along with this program. If not, see .
#pragma once
-#define USE_SERIAL
-
#define MASTER_LEFT
// #define MASTER_RIGHT
// #define EE_HANDS
diff --git a/keyboards/handwired/unk/rev1/config.h b/keyboards/handwired/unk/rev1/config.h
index 611b415d7ac..a3e09f1aad7 100644
--- a/keyboards/handwired/unk/rev1/config.h
+++ b/keyboards/handwired/unk/rev1/config.h
@@ -42,7 +42,6 @@ along with this program. If not, see .
* Split Keyboard specific options, make sure you have 'SPLIT_KEYBOARD = yes' in your rules.mk, and define SOFT_SERIAL_PIN.
*/
-#define USE_SERIAL
#define SOFT_SERIAL_PIN D0
/* define if matrix has ghost */
diff --git a/keyboards/handwired/xealous/config.h b/keyboards/handwired/xealous/config.h
index 2502b4d1969..1d94be5a7e1 100644
--- a/keyboards/handwired/xealous/config.h
+++ b/keyboards/handwired/xealous/config.h
@@ -19,7 +19,6 @@ along with this program. If not, see .
#pragma once
#include "config_common.h"
-/* Use I2C or Serial, not both */
#define USE_I2C
#define SCL_CLOCK 800000UL
diff --git a/keyboards/helix/pico/config.h b/keyboards/helix/pico/config.h
index 461fbd426bd..b96c9c51cf8 100644
--- a/keyboards/helix/pico/config.h
+++ b/keyboards/helix/pico/config.h
@@ -22,10 +22,6 @@ along with this program. If not, see .
#define TAPPING_FORCE_HOLD
#define TAPPING_TERM 100
-/* Use I2C or Serial */
-#define USE_SERIAL
-//#define USE_MATRIX_I2C
-
/* Soft Serial defines */
#define SOFT_SERIAL_PIN D2
#define SERIAL_SLAVE_BUFFER_LENGTH ((MATRIX_ROWS)/2)
diff --git a/keyboards/helix/rev2/config.h b/keyboards/helix/rev2/config.h
index c7e9e35db53..2183bf7227f 100644
--- a/keyboards/helix/rev2/config.h
+++ b/keyboards/helix/rev2/config.h
@@ -25,10 +25,6 @@ along with this program. If not, see .
#define SPLIT_LAYER_STATE_ENABLE
#define SPLIT_LED_STATE_ENABLE
-/* Use I2C or Serial */
-#define USE_SERIAL
-//#define USE_MATRIX_I2C
-
/* Soft Serial defines */
#define SOFT_SERIAL_PIN D2
#define SERIAL_USE_MULTI_TRANSACTION
diff --git a/keyboards/ibnuda/squiggle/config.h b/keyboards/ibnuda/squiggle/config.h
index 9e4c4f71bcb..c12bc97dd82 100644
--- a/keyboards/ibnuda/squiggle/config.h
+++ b/keyboards/ibnuda/squiggle/config.h
@@ -19,8 +19,6 @@ along with this program. If not, see .
#include "config_common.h"
-#define USE_SERIAL
-
/*
* Split Keyboard specific options, make sure you have 'SPLIT_KEYBOARD = yes' in your rules.mk, and define SOFT_SERIAL_PIN.
*/
diff --git a/keyboards/jian/rev1/config.h b/keyboards/jian/rev1/config.h
index 988b6d5176e..9ac9ad95510 100644
--- a/keyboards/jian/rev1/config.h
+++ b/keyboards/jian/rev1/config.h
@@ -29,8 +29,6 @@ along with this program. If not, see .
#define MATRIX_ROW_PINS { D3, D2, E6, B4 }
#define MATRIX_COL_PINS { F4, F5, F6, F7, B1, B3, B2 }
-/* Use I2C or Serial, not both */
-// #define USE_SERIAL
#define USE_I2C
/* Select hand configuration */
diff --git a/keyboards/jian/rev2/config.h b/keyboards/jian/rev2/config.h
index 52c8b6ad0e0..d44a2b099af 100644
--- a/keyboards/jian/rev2/config.h
+++ b/keyboards/jian/rev2/config.h
@@ -29,8 +29,6 @@ along with this program. If not, see .
#define MATRIX_ROW_PINS { F4, F5, B1, B3 }
#define MATRIX_COL_PINS { D3, D2, B4, F6, F7, B2 }
-//#define USE_I2C
-#define USE_SERIAL
#define SOFT_SERIAL_PIN D1
//#define EE_HANDS
diff --git a/keyboards/kagizaraya/scythe/config.h b/keyboards/kagizaraya/scythe/config.h
index 1df0fb65931..8baa3816f58 100644
--- a/keyboards/kagizaraya/scythe/config.h
+++ b/keyboards/kagizaraya/scythe/config.h
@@ -48,7 +48,7 @@ along with this program. If not, see .
#define RGB_DI_PIN F0
#ifdef RGB_DI_PIN
#define RGBLIGHT_ANIMATIONS
-#define RGBLED_NUM 9
+#define RGBLED_NUM 9
#define RGBLIGHT_HUE_STEP 8
#define RGBLIGHT_SAT_STEP 8
#define RGBLIGHT_VAL_STEP 8
@@ -114,7 +114,6 @@ along with this program. If not, see .
// #define BOOTMAGIC_LITE_COLUMN 0
/* Serial settings */
-#define USE_SERIAL
//#define EE_HANDS
#define I2C_MASTER_LEFT
//#define I2C_MASTER_RIGHT
diff --git a/keyboards/kakunpc/suihankey/alpha/config.h b/keyboards/kakunpc/suihankey/alpha/config.h
index 2d20aa16e9b..a0d75d44076 100644
--- a/keyboards/kakunpc/suihankey/alpha/config.h
+++ b/keyboards/kakunpc/suihankey/alpha/config.h
@@ -35,8 +35,6 @@ along with this program. If not, see .
*/
#define MATRIX_ROW_PINS { F4, F5, F6, F7 }
#define MATRIX_COL_PINS { D4, C6, D7, E6, B4 }
-// #define USE_I2C
-// #undef USE_SERIAL
/* COL2ROW, ROW2COL*/
#define DIODE_DIRECTION COL2ROW
diff --git a/keyboards/kakunpc/suihankey/rev1/config.h b/keyboards/kakunpc/suihankey/rev1/config.h
index a1e7183124c..3757b6cad7b 100644
--- a/keyboards/kakunpc/suihankey/rev1/config.h
+++ b/keyboards/kakunpc/suihankey/rev1/config.h
@@ -35,8 +35,6 @@ along with this program. If not, see .
*/
#define MATRIX_ROW_PINS { D4, C6, D7, E6, B4 }
#define MATRIX_COL_PINS { F4, F5, F6, F7 }
-//#define USE_I2C
-//#undef USE_SERIAL
/* COL2ROW, ROW2COL*/
#define DIODE_DIRECTION COL2ROW
diff --git a/keyboards/kakunpc/suihankey/split/alpha/config.h b/keyboards/kakunpc/suihankey/split/alpha/config.h
index b58b370e668..109eeee7eba 100644
--- a/keyboards/kakunpc/suihankey/split/alpha/config.h
+++ b/keyboards/kakunpc/suihankey/split/alpha/config.h
@@ -36,7 +36,6 @@ along with this program. If not, see .
#define MATRIX_ROW_PINS { F4, F5, F6, F7 }
#define MATRIX_COL_PINS { D4, C6, D7, E6, B4 }
#define USE_I2C
-#undef USE_SERIAL
/* COL2ROW, ROW2COL*/
#define DIODE_DIRECTION COL2ROW
diff --git a/keyboards/kakunpc/suihankey/split/rev1/config.h b/keyboards/kakunpc/suihankey/split/rev1/config.h
index 14b5b2ad9dc..2667ed6bb68 100644
--- a/keyboards/kakunpc/suihankey/split/rev1/config.h
+++ b/keyboards/kakunpc/suihankey/split/rev1/config.h
@@ -36,7 +36,6 @@ along with this program. If not, see .
#define MATRIX_ROW_PINS { D4, C6, D7, E6, B4 }
#define MATRIX_COL_PINS { F4, F5, F6, F7 }
#define USE_I2C
-#undef USE_SERIAL
/* COL2ROW, ROW2COL*/
#define DIODE_DIRECTION COL2ROW
diff --git a/keyboards/kapl/rev1/config.h b/keyboards/kapl/rev1/config.h
index ef6e5449f6b..ae88c865720 100644
--- a/keyboards/kapl/rev1/config.h
+++ b/keyboards/kapl/rev1/config.h
@@ -18,9 +18,6 @@
#define DEBOUNCE 5
-/* Serial settings */
-#define USE_SERIAL
-
/* serial.c configuration for split keyboard */
#define SOFT_SERIAL_PIN D2
diff --git a/keyboards/keebio/bfo9000/keymaps/abstractkb/config.h b/keyboards/keebio/bfo9000/keymaps/abstractkb/config.h
index 67c64fd8e87..c44c64603d9 100644
--- a/keyboards/keebio/bfo9000/keymaps/abstractkb/config.h
+++ b/keyboards/keebio/bfo9000/keymaps/abstractkb/config.h
@@ -25,11 +25,6 @@ along with this program. If not, see .
#define RGBLIGHT_ANIMATIONS
#define RGBLIGHT_SLEEP
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
#define MASTER_LEFT
diff --git a/keyboards/keebio/bfo9000/keymaps/andylikescandy6x18/config.h b/keyboards/keebio/bfo9000/keymaps/andylikescandy6x18/config.h
index be57e385ef5..786e107f9c2 100644
--- a/keyboards/keebio/bfo9000/keymaps/andylikescandy6x18/config.h
+++ b/keyboards/keebio/bfo9000/keymaps/andylikescandy6x18/config.h
@@ -23,11 +23,6 @@ along with this program. If not, see .
#include "config_common.h"
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
#define MASTER_LEFT
diff --git a/keyboards/keebio/bfo9000/keymaps/insertsnideremarks/config.h b/keyboards/keebio/bfo9000/keymaps/insertsnideremarks/config.h
index 344634063c7..2e2f45ea1fa 100644
--- a/keyboards/keebio/bfo9000/keymaps/insertsnideremarks/config.h
+++ b/keyboards/keebio/bfo9000/keymaps/insertsnideremarks/config.h
@@ -20,9 +20,6 @@ along with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
-
-// #define USE_SERIAL
#define USE_I2C
/* Select hand configuration */
@@ -39,4 +36,4 @@ along with this program. If not, see .
// #define RGBLED_NUM 12
// #define RGBLIGHT_HUE_STEP 8
// #define RGBLIGHT_SAT_STEP 8
-// #define RGBLIGHT_VAL_STEP 8
\ No newline at end of file
+// #define RGBLIGHT_VAL_STEP 8
diff --git a/keyboards/keebio/bfo9000/keymaps/tuesdayjohn/config.h b/keyboards/keebio/bfo9000/keymaps/tuesdayjohn/config.h
index 344634063c7..2e2f45ea1fa 100644
--- a/keyboards/keebio/bfo9000/keymaps/tuesdayjohn/config.h
+++ b/keyboards/keebio/bfo9000/keymaps/tuesdayjohn/config.h
@@ -20,9 +20,6 @@ along with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
-
-// #define USE_SERIAL
#define USE_I2C
/* Select hand configuration */
@@ -39,4 +36,4 @@ along with this program. If not, see .
// #define RGBLED_NUM 12
// #define RGBLIGHT_HUE_STEP 8
// #define RGBLIGHT_SAT_STEP 8
-// #define RGBLIGHT_VAL_STEP 8
\ No newline at end of file
+// #define RGBLIGHT_VAL_STEP 8
diff --git a/keyboards/keebio/fourier/keymaps/default/config.h b/keyboards/keebio/fourier/keymaps/default/config.h
index 8cea3921816..fa952ef4c38 100644
--- a/keyboards/keebio/fourier/keymaps/default/config.h
+++ b/keyboards/keebio/fourier/keymaps/default/config.h
@@ -20,5 +20,4 @@ along with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
// #define USE_I2C
diff --git a/keyboards/keebio/fourier/keymaps/maxim/config.h b/keyboards/keebio/fourier/keymaps/maxim/config.h
index fb13b56cdc7..446b0111535 100644
--- a/keyboards/keebio/fourier/keymaps/maxim/config.h
+++ b/keyboards/keebio/fourier/keymaps/maxim/config.h
@@ -22,8 +22,3 @@ along with this program. If not, see .
#include "config_common.h"
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
diff --git a/keyboards/keebio/iris/keymaps/333fred/config.h b/keyboards/keebio/iris/keymaps/333fred/config.h
index 3c8ba4cb253..0c0250291c0 100644
--- a/keyboards/keebio/iris/keymaps/333fred/config.h
+++ b/keyboards/keebio/iris/keymaps/333fred/config.h
@@ -22,7 +22,6 @@
#pragma once
-#define USE_SERIAL
#define EE_HANDS
#define NO_ACTION_MACRO
diff --git a/keyboards/keebio/iris/keymaps/antonlindstrom/config.h b/keyboards/keebio/iris/keymaps/antonlindstrom/config.h
index 0997e72512c..36b3e42d7e8 100644
--- a/keyboards/keebio/iris/keymaps/antonlindstrom/config.h
+++ b/keyboards/keebio/iris/keymaps/antonlindstrom/config.h
@@ -17,11 +17,6 @@ along with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
// #define MASTER_LEFT
diff --git a/keyboards/keebio/iris/keymaps/ave-63/config.h b/keyboards/keebio/iris/keymaps/ave-63/config.h
index 381a494b758..0d0c4764bb4 100644
--- a/keyboards/keebio/iris/keymaps/ave-63/config.h
+++ b/keyboards/keebio/iris/keymaps/ave-63/config.h
@@ -17,11 +17,6 @@ along with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
#define PREVENT_STUCK_MODIFIERS
#define TAPPING_TERM 150
diff --git a/keyboards/keebio/iris/keymaps/bmoorey/config.h b/keyboards/keebio/iris/keymaps/bmoorey/config.h
index 9f8a9afab8e..8f173a128bf 100644
--- a/keyboards/keebio/iris/keymaps/bmoorey/config.h
+++ b/keyboards/keebio/iris/keymaps/bmoorey/config.h
@@ -17,11 +17,6 @@ along with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
#define MASTER_RIGHT
@@ -35,4 +30,4 @@ along with this program. If not, see .
#define RGBLIGHT_SAT_STEP 8
#define RGBLIGHT_VAL_STEP 8
#define NO_ACTION_TAPPING
-#define NO_ACTION_ONESHOT
\ No newline at end of file
+#define NO_ACTION_ONESHOT
diff --git a/keyboards/keebio/iris/keymaps/boo/config.h b/keyboards/keebio/iris/keymaps/boo/config.h
index 6af7d40852a..101fd6e8ce4 100644
--- a/keyboards/keebio/iris/keymaps/boo/config.h
+++ b/keyboards/keebio/iris/keymaps/boo/config.h
@@ -17,9 +17,6 @@ along with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
-#define USE_SERIAL
-
/* Select hand configuration */
#define MASTER_LEFT
diff --git a/keyboards/keebio/iris/keymaps/davidrambo/config.h b/keyboards/keebio/iris/keymaps/davidrambo/config.h
index 0c4bf8c8f4c..bfa48ce0ce3 100644
--- a/keyboards/keebio/iris/keymaps/davidrambo/config.h
+++ b/keyboards/keebio/iris/keymaps/davidrambo/config.h
@@ -17,11 +17,6 @@ along with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
#define PERMISSIVE_HOLD
#define MASTER_LEFT
diff --git a/keyboards/keebio/iris/keymaps/dvorak/config.h b/keyboards/keebio/iris/keymaps/dvorak/config.h
index d37d3c3123c..4576a6d639a 100644
--- a/keyboards/keebio/iris/keymaps/dvorak/config.h
+++ b/keyboards/keebio/iris/keymaps/dvorak/config.h
@@ -17,10 +17,6 @@ along with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-
/* Select hand configuration */
#define MASTER_LEFT
diff --git a/keyboards/keebio/iris/keymaps/edvorakjp/config.h b/keyboards/keebio/iris/keymaps/edvorakjp/config.h
index f296e297692..864cedae987 100644
--- a/keyboards/keebio/iris/keymaps/edvorakjp/config.h
+++ b/keyboards/keebio/iris/keymaps/edvorakjp/config.h
@@ -1,9 +1,5 @@
#pragma once
-/* Use I2C or Serial, not both */
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
#define MASTER_LEFT
diff --git a/keyboards/keebio/iris/keymaps/emp/config.h b/keyboards/keebio/iris/keymaps/emp/config.h
index a08db4d170e..9f1982935a0 100644
--- a/keyboards/keebio/iris/keymaps/emp/config.h
+++ b/keyboards/keebio/iris/keymaps/emp/config.h
@@ -17,9 +17,7 @@ along with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
#undef USE_I2C
-#define USE_SERIAL
/* Select hand configuration */
#undef MASTER_LEFT
diff --git a/keyboards/keebio/iris/keymaps/gary/config.h b/keyboards/keebio/iris/keymaps/gary/config.h
index 186aee502c1..e337f4403f7 100644
--- a/keyboards/keebio/iris/keymaps/gary/config.h
+++ b/keyboards/keebio/iris/keymaps/gary/config.h
@@ -1,10 +1,5 @@
#pragma once
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
#define MASTER_LEFT
diff --git a/keyboards/keebio/iris/keymaps/gsigler/config.h b/keyboards/keebio/iris/keymaps/gsigler/config.h
index e1793fb1b85..f568452d0a2 100644
--- a/keyboards/keebio/iris/keymaps/gsigler/config.h
+++ b/keyboards/keebio/iris/keymaps/gsigler/config.h
@@ -17,11 +17,6 @@ along with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
#define MASTER_LEFT
diff --git a/keyboards/keebio/iris/keymaps/hbbisenieks/config.h b/keyboards/keebio/iris/keymaps/hbbisenieks/config.h
index bb3fe250850..20384f45827 100644
--- a/keyboards/keebio/iris/keymaps/hbbisenieks/config.h
+++ b/keyboards/keebio/iris/keymaps/hbbisenieks/config.h
@@ -19,12 +19,6 @@ along with this program. If not, see .
#include "config_common.h"
-
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
#define MASTER_LEFT
diff --git a/keyboards/keebio/iris/keymaps/impstyle/config.h b/keyboards/keebio/iris/keymaps/impstyle/config.h
index 6fc14133f8d..68b45c217d0 100644
--- a/keyboards/keebio/iris/keymaps/impstyle/config.h
+++ b/keyboards/keebio/iris/keymaps/impstyle/config.h
@@ -20,9 +20,6 @@ along with this program. If not, see .
#include "config_common.h"
-/* Use I2C or Serial, not both */
-
-//#define USE_SERIAL
#define USE_I2C
/* Select hand configuration */
diff --git a/keyboards/keebio/iris/keymaps/isolike/config.h b/keyboards/keebio/iris/keymaps/isolike/config.h
index 7986b504162..6d3194157ee 100644
--- a/keyboards/keebio/iris/keymaps/isolike/config.h
+++ b/keyboards/keebio/iris/keymaps/isolike/config.h
@@ -17,11 +17,6 @@ along with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
#define MASTER_LEFT
diff --git a/keyboards/keebio/iris/keymaps/jasondunsmore/config.h b/keyboards/keebio/iris/keymaps/jasondunsmore/config.h
index 8799e01c189..e6fa61d3ddd 100644
--- a/keyboards/keebio/iris/keymaps/jasondunsmore/config.h
+++ b/keyboards/keebio/iris/keymaps/jasondunsmore/config.h
@@ -17,7 +17,6 @@ along with this program. If not, see .
#pragma once
-#define USE_SERIAL
#define EE_HANDS
#define TAPPING_TERM 150
#define TAPPING_TOGGLE 2
diff --git a/keyboards/keebio/iris/keymaps/khord/config.h b/keyboards/keebio/iris/keymaps/khord/config.h
index 9b44bca7924..22e11c87984 100644
--- a/keyboards/keebio/iris/keymaps/khord/config.h
+++ b/keyboards/keebio/iris/keymaps/khord/config.h
@@ -17,11 +17,6 @@ along with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
#define MASTER_LEFT
diff --git a/keyboards/keebio/iris/keymaps/krusli/config.h b/keyboards/keebio/iris/keymaps/krusli/config.h
index 72e35c47287..ec8bdffe882 100644
--- a/keyboards/keebio/iris/keymaps/krusli/config.h
+++ b/keyboards/keebio/iris/keymaps/krusli/config.h
@@ -20,11 +20,6 @@ along with this program. If not, see .
#include "config_common.h"
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
#define MASTER_LEFT
diff --git a/keyboards/keebio/iris/keymaps/mojitas/config.h b/keyboards/keebio/iris/keymaps/mojitas/config.h
index 24aecb9f843..d1c8bda27cb 100644
--- a/keyboards/keebio/iris/keymaps/mojitas/config.h
+++ b/keyboards/keebio/iris/keymaps/mojitas/config.h
@@ -17,11 +17,6 @@ along with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
#define MASTER_LEFT
diff --git a/keyboards/keebio/iris/keymaps/moonfall/config.h b/keyboards/keebio/iris/keymaps/moonfall/config.h
index 7986b504162..6d3194157ee 100644
--- a/keyboards/keebio/iris/keymaps/moonfall/config.h
+++ b/keyboards/keebio/iris/keymaps/moonfall/config.h
@@ -17,11 +17,6 @@ along with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
#define MASTER_LEFT
diff --git a/keyboards/keebio/iris/keymaps/olligranlund_nordic/config.h b/keyboards/keebio/iris/keymaps/olligranlund_nordic/config.h
index 16c43023736..b78c52a460b 100644
--- a/keyboards/keebio/iris/keymaps/olligranlund_nordic/config.h
+++ b/keyboards/keebio/iris/keymaps/olligranlund_nordic/config.h
@@ -17,9 +17,6 @@ along with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
-
-//#define USE_SERIAL
#define USE_I2C
/* Select hand configuration */
diff --git a/keyboards/keebio/iris/keymaps/olligranlund_nordic_v2/config.h b/keyboards/keebio/iris/keymaps/olligranlund_nordic_v2/config.h
index c1acce7c380..5e06cb3ac39 100644
--- a/keyboards/keebio/iris/keymaps/olligranlund_nordic_v2/config.h
+++ b/keyboards/keebio/iris/keymaps/olligranlund_nordic_v2/config.h
@@ -17,9 +17,6 @@ along with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
-
-//#define USE_SERIAL
#define USE_I2C
/* Select hand configuration */
@@ -28,4 +25,4 @@ along with this program. If not, see .
// #define MASTER_RIGHT
#define EE_HANDS
-#undef RGBLED_NUM
\ No newline at end of file
+#undef RGBLED_NUM
diff --git a/keyboards/keebio/iris/keymaps/omgvee/config.h b/keyboards/keebio/iris/keymaps/omgvee/config.h
index c5899f45f09..c47ec742871 100644
--- a/keyboards/keebio/iris/keymaps/omgvee/config.h
+++ b/keyboards/keebio/iris/keymaps/omgvee/config.h
@@ -17,11 +17,6 @@ along with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
#define MASTER_LEFT
diff --git a/keyboards/keebio/iris/keymaps/pvinis/config.h b/keyboards/keebio/iris/keymaps/pvinis/config.h
index 19925d3a914..861c474e548 100644
--- a/keyboards/keebio/iris/keymaps/pvinis/config.h
+++ b/keyboards/keebio/iris/keymaps/pvinis/config.h
@@ -5,10 +5,6 @@
# define PRODUCT "Iris Keyboard - pvinis"
#endif
-// Use I2C or Serial, not both.
-#define USE_SERIAL
-// #define USE_I2C
-
// Select hand configuration.
// #define MASTER_LEFT
#define MASTER_RIGHT
diff --git a/keyboards/keebio/iris/keymaps/rs/config.h b/keyboards/keebio/iris/keymaps/rs/config.h
index 412862c8724..8aed71e2021 100644
--- a/keyboards/keebio/iris/keymaps/rs/config.h
+++ b/keyboards/keebio/iris/keymaps/rs/config.h
@@ -17,11 +17,6 @@ along with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
#define MASTER_LEFT
diff --git a/keyboards/keebio/iris/keymaps/sethBarberee/config.h b/keyboards/keebio/iris/keymaps/sethBarberee/config.h
index bd2ec41210b..61aa24ff016 100644
--- a/keyboards/keebio/iris/keymaps/sethBarberee/config.h
+++ b/keyboards/keebio/iris/keymaps/sethBarberee/config.h
@@ -17,11 +17,6 @@ along with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-//#define USE_I2C
-
/* Select hand configuration */
//#define MASTER_LEFT
diff --git a/keyboards/keebio/iris/keymaps/vyolle/config.h b/keyboards/keebio/iris/keymaps/vyolle/config.h
index 1adbd65b5a3..49ad181d9b6 100644
--- a/keyboards/keebio/iris/keymaps/vyolle/config.h
+++ b/keyboards/keebio/iris/keymaps/vyolle/config.h
@@ -17,11 +17,7 @@ along with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
-
#define USE_I2C
-// #define USE_SERIAL
-
#define FORCE_NKRO //Cause it's suprisingly handy.
diff --git a/keyboards/keebio/iris/keymaps/wanleg/config.h b/keyboards/keebio/iris/keymaps/wanleg/config.h
index 9b900076884..6e774d9de72 100644
--- a/keyboards/keebio/iris/keymaps/wanleg/config.h
+++ b/keyboards/keebio/iris/keymaps/wanleg/config.h
@@ -17,9 +17,6 @@ along with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
#undef USE_I2C
/* Select hand configuration */
diff --git a/keyboards/keebio/iris/keymaps/xyverz/config.h b/keyboards/keebio/iris/keymaps/xyverz/config.h
index fab85918447..f6eb967943d 100644
--- a/keyboards/keebio/iris/keymaps/xyverz/config.h
+++ b/keyboards/keebio/iris/keymaps/xyverz/config.h
@@ -1,6 +1,5 @@
#pragma once
-#define USE_SERIAL
#define EE_HANDS
#undef PRODUCT
diff --git a/keyboards/keebio/levinson/keymaps/drogglbecher/config.h b/keyboards/keebio/levinson/keymaps/drogglbecher/config.h
index ef96ff00b14..1beb80a6492 100644
--- a/keyboards/keebio/levinson/keymaps/drogglbecher/config.h
+++ b/keyboards/keebio/levinson/keymaps/drogglbecher/config.h
@@ -3,11 +3,6 @@
#include "config_common.h"
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-/* #define USE_I2C */
-
/* Select hand configuration */
#define MASTER_LEFT
diff --git a/keyboards/keebio/levinson/keymaps/issmirnov/config.h b/keyboards/keebio/levinson/keymaps/issmirnov/config.h
index 2f0fbaf33c6..6f6f362a8ff 100644
--- a/keyboards/keebio/levinson/keymaps/issmirnov/config.h
+++ b/keyboards/keebio/levinson/keymaps/issmirnov/config.h
@@ -1,10 +1,5 @@
#pragma once
-// Use serial comms for split keyboard
-// DO NOT enable USE_IDC - board will not respond.
-#define USE_SERIAL
-//#define USE_I2C
-
#ifdef RGBLIGHT_ENABLE
// Enable animations. +5500 bytes
#define RGBLIGHT_ANIMATIONS
diff --git a/keyboards/keebio/levinson/keymaps/losinggeneration/config.h b/keyboards/keebio/levinson/keymaps/losinggeneration/config.h
index 13023939eba..41bfb4651fc 100644
--- a/keyboards/keebio/levinson/keymaps/losinggeneration/config.h
+++ b/keyboards/keebio/levinson/keymaps/losinggeneration/config.h
@@ -18,11 +18,6 @@ long with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-/* #define USE_I2C */
-
/* Select hand configuration */
#define MASTER_LEFT
diff --git a/keyboards/keebio/levinson/keymaps/mmacdougall/config.h b/keyboards/keebio/levinson/keymaps/mmacdougall/config.h
index 63dd5bc88f2..e3012bbe06a 100644
--- a/keyboards/keebio/levinson/keymaps/mmacdougall/config.h
+++ b/keyboards/keebio/levinson/keymaps/mmacdougall/config.h
@@ -1,10 +1,5 @@
#pragma once
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
#define MASTER_LEFT
diff --git a/keyboards/keebio/levinson/keymaps/steno/config.h b/keyboards/keebio/levinson/keymaps/steno/config.h
index 9cbc148e425..630cc6238f7 100644
--- a/keyboards/keebio/levinson/keymaps/steno/config.h
+++ b/keyboards/keebio/levinson/keymaps/steno/config.h
@@ -17,11 +17,7 @@ along with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
-
#define USE_I2C
-// #define USE_SERIAL
-
#define FORCE_NKRO //For Steno.
diff --git a/keyboards/keebio/levinson/keymaps/treadwell/config.h b/keyboards/keebio/levinson/keymaps/treadwell/config.h
index 69783937b2e..47f85f6dc38 100644
--- a/keyboards/keebio/levinson/keymaps/treadwell/config.h
+++ b/keyboards/keebio/levinson/keymaps/treadwell/config.h
@@ -3,11 +3,6 @@
#include "config_common.h"
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
#define MASTER_LEFT
diff --git a/keyboards/keebio/levinson/keymaps/xtonhasvim/config.h b/keyboards/keebio/levinson/keymaps/xtonhasvim/config.h
index aaf1b7f049b..53847db93ad 100644
--- a/keyboards/keebio/levinson/keymaps/xtonhasvim/config.h
+++ b/keyboards/keebio/levinson/keymaps/xtonhasvim/config.h
@@ -1,7 +1,5 @@
#pragma once
-#define USE_SERIAL
-
// #define MUSIC_MASK (keycode != KC_NO)
/*
diff --git a/keyboards/keebio/nyquist/keymaps/DivergeJM/config.h b/keyboards/keebio/nyquist/keymaps/DivergeJM/config.h
index 776834111de..43696b046c2 100644
--- a/keyboards/keebio/nyquist/keymaps/DivergeJM/config.h
+++ b/keyboards/keebio/nyquist/keymaps/DivergeJM/config.h
@@ -18,8 +18,6 @@ along with this program. If not, see .
#define TAPPING_TERM 150 //reduce time required to register a held key
-#define USE_SERIAL
-
// #define MASTER_LEFT
// #define MASTER_RIGHT
#define EE_HANDS
diff --git a/keyboards/keebio/nyquist/keymaps/bramver/config.h b/keyboards/keebio/nyquist/keymaps/bramver/config.h
index c908386e282..468e59af07f 100644
--- a/keyboards/keebio/nyquist/keymaps/bramver/config.h
+++ b/keyboards/keebio/nyquist/keymaps/bramver/config.h
@@ -16,7 +16,6 @@
#pragma once
-#define USE_SERIAL
#define MASTER_LEFT
#define TAPPING_TERM 200
diff --git a/keyboards/keebio/nyquist/keymaps/danielhklein/config.h b/keyboards/keebio/nyquist/keymaps/danielhklein/config.h
index 398b285b897..74499ede718 100644
--- a/keyboards/keebio/nyquist/keymaps/danielhklein/config.h
+++ b/keyboards/keebio/nyquist/keymaps/danielhklein/config.h
@@ -16,8 +16,7 @@ along with this program. If not, see .
*/
#pragma once
-#define TAPPING_TERM 150
-#define USE_SERIAL
+#define TAPPING_TERM 150
#define EE_HANDS
#ifdef SUBPROJECT_rev1
diff --git a/keyboards/keebio/nyquist/keymaps/jojiichan/config.h b/keyboards/keebio/nyquist/keymaps/jojiichan/config.h
index 39a3df26bf5..544b7b7371d 100644
--- a/keyboards/keebio/nyquist/keymaps/jojiichan/config.h
+++ b/keyboards/keebio/nyquist/keymaps/jojiichan/config.h
@@ -20,11 +20,6 @@ along with this program. If not, see .
#include "../../config.h"
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
#define MASTER_LEFT
diff --git a/keyboards/keebio/nyquist/keymaps/kim-kim/config.h b/keyboards/keebio/nyquist/keymaps/kim-kim/config.h
index a6246262e50..f3d8ae0a405 100644
--- a/keyboards/keebio/nyquist/keymaps/kim-kim/config.h
+++ b/keyboards/keebio/nyquist/keymaps/kim-kim/config.h
@@ -20,11 +20,6 @@ along with this program. If not, see .
#include "config_common.h"
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
#define MASTER_LEFT
@@ -38,4 +33,4 @@ along with this program. If not, see .
#define RGBLIGHT_SAT_STEP 8
#define RGBLIGHT_VAL_STEP 8
-#endif
\ No newline at end of file
+#endif
diff --git a/keyboards/keebio/nyquist/keymaps/losinggeneration/config.h b/keyboards/keebio/nyquist/keymaps/losinggeneration/config.h
index 56cacd843ea..38d1939580b 100644
--- a/keyboards/keebio/nyquist/keymaps/losinggeneration/config.h
+++ b/keyboards/keebio/nyquist/keymaps/losinggeneration/config.h
@@ -18,11 +18,6 @@ long with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-/* #define USE_I2C */
-
/* Select hand configuration */
#define MASTER_LEFT
diff --git a/keyboards/keebio/nyquist/keymaps/pitty/config.h b/keyboards/keebio/nyquist/keymaps/pitty/config.h
index efc75b22c75..b393e6a5f60 100644
--- a/keyboards/keebio/nyquist/keymaps/pitty/config.h
+++ b/keyboards/keebio/nyquist/keymaps/pitty/config.h
@@ -20,11 +20,6 @@ along with this program. If not, see .
#include "../../config.h"
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
#define MASTER_LEFT
diff --git a/keyboards/keebio/nyquist/keymaps/shovelpaw/config.h b/keyboards/keebio/nyquist/keymaps/shovelpaw/config.h
index d0adbfe0c8a..72e0e422d69 100644
--- a/keyboards/keebio/nyquist/keymaps/shovelpaw/config.h
+++ b/keyboards/keebio/nyquist/keymaps/shovelpaw/config.h
@@ -17,11 +17,6 @@ along with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
#define MASTER_LEFT
diff --git a/keyboards/keebio/nyquist/keymaps/skug/config.h b/keyboards/keebio/nyquist/keymaps/skug/config.h
index c3668632947..532cdafa977 100644
--- a/keyboards/keebio/nyquist/keymaps/skug/config.h
+++ b/keyboards/keebio/nyquist/keymaps/skug/config.h
@@ -17,9 +17,6 @@ along with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
-
-// #define USE_SERIAL
#define USE_I2C
/* Select hand configuration */
diff --git a/keyboards/keebio/nyquist/keymaps/yshrsmz/config.h b/keyboards/keebio/nyquist/keymaps/yshrsmz/config.h
index 5cbe3b70107..aafb73fa052 100644
--- a/keyboards/keebio/nyquist/keymaps/yshrsmz/config.h
+++ b/keyboards/keebio/nyquist/keymaps/yshrsmz/config.h
@@ -17,11 +17,6 @@ along with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
/* auto shift config */
#define AUTO_SHIFT_TIMEOUT 140
diff --git a/keyboards/keebio/quefrency/keymaps/bcat/config.h b/keyboards/keebio/quefrency/keymaps/bcat/config.h
index 69771d36baa..32510e90312 100644
--- a/keyboards/keebio/quefrency/keymaps/bcat/config.h
+++ b/keyboards/keebio/quefrency/keymaps/bcat/config.h
@@ -16,13 +16,6 @@
#pragma once
-/* Quefrency lacks I2C resistors on the right PCB, so the right half doesn't
- * work independently. (Presumably the floating I2C lines cause a problem.)
- * Using serial seems sufficiently fast in practice and allows both halves to be
- * used independently.
- */
-#define USE_SERIAL
-
/* Use an extra LED on the right side since it's wider on the 65% PCB. */
#undef RGBLED_NUM
#define RGBLED_NUM 17
diff --git a/keyboards/keebio/quefrency/keymaps/bfiedler/config.h b/keyboards/keebio/quefrency/keymaps/bfiedler/config.h
index e7d5ba9ca83..8a35b6f1974 100644
--- a/keyboards/keebio/quefrency/keymaps/bfiedler/config.h
+++ b/keyboards/keebio/quefrency/keymaps/bfiedler/config.h
@@ -22,11 +22,6 @@ along with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
// https://docs.qmk.fm/#/tap_hold?id=tap-hold-configuration-options
#define TAPPING_TERM 120
//#define PERMISSIVE_HOLD
diff --git a/keyboards/keebio/quefrency/keymaps/bjohnson/config.h b/keyboards/keebio/quefrency/keymaps/bjohnson/config.h
index 37c6d6672df..82ace2ef685 100644
--- a/keyboards/keebio/quefrency/keymaps/bjohnson/config.h
+++ b/keyboards/keebio/quefrency/keymaps/bjohnson/config.h
@@ -21,11 +21,6 @@ along with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
#define TAPPING_TERM 500
#define IGNORE_MOD_TAP_INTERRUPT
diff --git a/keyboards/keebio/quefrency/keymaps/bramver/config.h b/keyboards/keebio/quefrency/keymaps/bramver/config.h
index c908386e282..468e59af07f 100644
--- a/keyboards/keebio/quefrency/keymaps/bramver/config.h
+++ b/keyboards/keebio/quefrency/keymaps/bramver/config.h
@@ -16,7 +16,6 @@
#pragma once
-#define USE_SERIAL
#define MASTER_LEFT
#define TAPPING_TERM 200
diff --git a/keyboards/keebio/quefrency/keymaps/default60/config.h b/keyboards/keebio/quefrency/keymaps/default60/config.h
index f9efe78c5b5..497e05b540c 100644
--- a/keyboards/keebio/quefrency/keymaps/default60/config.h
+++ b/keyboards/keebio/quefrency/keymaps/default60/config.h
@@ -20,8 +20,3 @@ along with this program. If not, see .
*/
#pragma once
-
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
diff --git a/keyboards/keebio/quefrency/keymaps/default65/config.h b/keyboards/keebio/quefrency/keymaps/default65/config.h
index f9efe78c5b5..9aae0fdfc2e 100644
--- a/keyboards/keebio/quefrency/keymaps/default65/config.h
+++ b/keyboards/keebio/quefrency/keymaps/default65/config.h
@@ -21,7 +21,3 @@ along with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
diff --git a/keyboards/keebio/quefrency/keymaps/joestrong/config.h b/keyboards/keebio/quefrency/keymaps/joestrong/config.h
index f9efe78c5b5..497e05b540c 100644
--- a/keyboards/keebio/quefrency/keymaps/joestrong/config.h
+++ b/keyboards/keebio/quefrency/keymaps/joestrong/config.h
@@ -20,8 +20,3 @@ along with this program. If not, see .
*/
#pragma once
-
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
diff --git a/keyboards/keebio/quefrency/keymaps/jonavin/config.h b/keyboards/keebio/quefrency/keymaps/jonavin/config.h
index b7883424bc5..495638123ab 100644
--- a/keyboards/keebio/quefrency/keymaps/jonavin/config.h
+++ b/keyboards/keebio/quefrency/keymaps/jonavin/config.h
@@ -22,11 +22,6 @@ along with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
#define TAPPING_TOGGLE 2
// TT set to two taps
diff --git a/keyboards/keebio/quefrency/keymaps/kingwangwong/config.h b/keyboards/keebio/quefrency/keymaps/kingwangwong/config.h
index bf632842e9c..f636c954541 100644
--- a/keyboards/keebio/quefrency/keymaps/kingwangwong/config.h
+++ b/keyboards/keebio/quefrency/keymaps/kingwangwong/config.h
@@ -21,10 +21,6 @@ along with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-//#define USE_I2C
#define USB_MAX_POWER_CONSUMPTION 50
diff --git a/keyboards/keebio/quefrency/keymaps/rogthefrog/config.h b/keyboards/keebio/quefrency/keymaps/rogthefrog/config.h
index 2332c4f523b..0eefd14dfe8 100644
--- a/keyboards/keebio/quefrency/keymaps/rogthefrog/config.h
+++ b/keyboards/keebio/quefrency/keymaps/rogthefrog/config.h
@@ -21,8 +21,3 @@ along with this program. If not, see .
*/
#pragma once
-
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
diff --git a/keyboards/keebio/quefrency/keymaps/unausgeschlafen/config.h b/keyboards/keebio/quefrency/keymaps/unausgeschlafen/config.h
index f9efe78c5b5..497e05b540c 100644
--- a/keyboards/keebio/quefrency/keymaps/unausgeschlafen/config.h
+++ b/keyboards/keebio/quefrency/keymaps/unausgeschlafen/config.h
@@ -20,8 +20,3 @@ along with this program. If not, see .
*/
#pragma once
-
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
diff --git a/keyboards/keebio/quefrency/keymaps/yoryer/config.h b/keyboards/keebio/quefrency/keymaps/yoryer/config.h
index f9efe78c5b5..497e05b540c 100644
--- a/keyboards/keebio/quefrency/keymaps/yoryer/config.h
+++ b/keyboards/keebio/quefrency/keymaps/yoryer/config.h
@@ -20,8 +20,3 @@ along with this program. If not, see .
*/
#pragma once
-
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
diff --git a/keyboards/keebio/rorschach/keymaps/insertsnideremarks/config.h b/keyboards/keebio/rorschach/keymaps/insertsnideremarks/config.h
index ed948a4b3bb..0915bbba18e 100644
--- a/keyboards/keebio/rorschach/keymaps/insertsnideremarks/config.h
+++ b/keyboards/keebio/rorschach/keymaps/insertsnideremarks/config.h
@@ -1,8 +1,5 @@
#pragma once
-/* Use I2C or Serial, not both */
-
-// #define USE_SERIAL
#define USE_I2C
/* Select hand configuration */
diff --git a/keyboards/keebio/rorschach/keymaps/tuesdayjohn/config.h b/keyboards/keebio/rorschach/keymaps/tuesdayjohn/config.h
index 2048232c9c3..3b95b3c4d7a 100644
--- a/keyboards/keebio/rorschach/keymaps/tuesdayjohn/config.h
+++ b/keyboards/keebio/rorschach/keymaps/tuesdayjohn/config.h
@@ -1,8 +1,5 @@
#pragma once
-/* Use I2C or Serial, not both */
-
-// #define USE_SERIAL
#define USE_I2C
/* Select hand configuration */
diff --git a/keyboards/keebio/sinc/keymaps/sethBarberee/config.h b/keyboards/keebio/sinc/keymaps/sethBarberee/config.h
index 2d66aefc3e8..343567273d7 100644
--- a/keyboards/keebio/sinc/keymaps/sethBarberee/config.h
+++ b/keyboards/keebio/sinc/keymaps/sethBarberee/config.h
@@ -17,11 +17,6 @@ along with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
-//
-//#define USE_SERIAL
-//#define USE_I2C
-
//#ifdef RGBLIGHT_ENABLE
//# ifdef NORMAL_MODE
//# undef NORMAL_MODE
diff --git a/keyboards/keystonecaps/gameroyadvance/keymaps/default/config.h b/keyboards/keystonecaps/gameroyadvance/keymaps/default/config.h
index 693d5684c11..89e9628be81 100644
--- a/keyboards/keystonecaps/gameroyadvance/keymaps/default/config.h
+++ b/keyboards/keystonecaps/gameroyadvance/keymaps/default/config.h
@@ -21,5 +21,4 @@ along with this program. If not, see .
#pragma once
-//#define USE_SERIAL
-#define EE_HANDS
\ No newline at end of file
+#define EE_HANDS
diff --git a/keyboards/keystonecaps/gameroyadvance/keymaps/default_all/config.h b/keyboards/keystonecaps/gameroyadvance/keymaps/default_all/config.h
index 693d5684c11..89e9628be81 100644
--- a/keyboards/keystonecaps/gameroyadvance/keymaps/default_all/config.h
+++ b/keyboards/keystonecaps/gameroyadvance/keymaps/default_all/config.h
@@ -21,5 +21,4 @@ along with this program. If not, see .
#pragma once
-//#define USE_SERIAL
-#define EE_HANDS
\ No newline at end of file
+#define EE_HANDS
diff --git a/keyboards/kudox/config.h b/keyboards/kudox/config.h
index 36c8f68b90f..e18d46f583f 100644
--- a/keyboards/kudox/config.h
+++ b/keyboards/kudox/config.h
@@ -18,8 +18,6 @@
#include "config_common.h"
-#define USE_SERIAL
-
/* Select hand configuration */
#define MASTER_LEFT
// #define MASTER_RIGHT
diff --git a/keyboards/kudox_full/config.h b/keyboards/kudox_full/config.h
index 82b8da8a41c..82ea44faf24 100644
--- a/keyboards/kudox_full/config.h
+++ b/keyboards/kudox_full/config.h
@@ -5,8 +5,6 @@
#include "config_common.h"
-#define USE_SERIAL
-
/* Select hand configuration */
#define MASTER_LEFT
// #define MASTER_RIGHT
diff --git a/keyboards/kudox_game/config.h b/keyboards/kudox_game/config.h
index 0b789c17681..121e6632c80 100644
--- a/keyboards/kudox_game/config.h
+++ b/keyboards/kudox_game/config.h
@@ -19,8 +19,6 @@ along with this program. If not, see .
#include "config_common.h"
-#define USE_SERIAL
-
/* Select hand configuration */
#define MASTER_LEFT
// #define MASTER_RIGHT
diff --git a/keyboards/lets_split/keymaps/DE_programming/config.h b/keyboards/lets_split/keymaps/DE_programming/config.h
index 145be142266..990d4ed8d5b 100644
--- a/keyboards/lets_split/keymaps/DE_programming/config.h
+++ b/keyboards/lets_split/keymaps/DE_programming/config.h
@@ -18,10 +18,6 @@ along with this program. If not, see .
*/
#pragma once
-/* Use I2C or Serial, not both */
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
#define MASTER_LEFT
// #define MASTER_RIGHT
diff --git a/keyboards/lets_split/keymaps/DE_simple/config.h b/keyboards/lets_split/keymaps/DE_simple/config.h
index 5a6261c4f7c..470fc078542 100644
--- a/keyboards/lets_split/keymaps/DE_simple/config.h
+++ b/keyboards/lets_split/keymaps/DE_simple/config.h
@@ -23,11 +23,6 @@ along with this program. If not, see .
#include "../../config.h"
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
#define MASTER_LEFT
diff --git a/keyboards/lets_split/keymaps/adam/config.h b/keyboards/lets_split/keymaps/adam/config.h
index 59a2e5db72f..2819051c117 100644
--- a/keyboards/lets_split/keymaps/adam/config.h
+++ b/keyboards/lets_split/keymaps/adam/config.h
@@ -23,11 +23,6 @@ along with this program. If not, see .
#include "../../config.h"
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
// #define MASTER_LEFT
diff --git a/keyboards/lets_split/keymaps/aerialviews007/config.h b/keyboards/lets_split/keymaps/aerialviews007/config.h
index 60e23f816d2..d9787a247f8 100644
--- a/keyboards/lets_split/keymaps/aerialviews007/config.h
+++ b/keyboards/lets_split/keymaps/aerialviews007/config.h
@@ -26,10 +26,6 @@ along with this program. If not, see .
SONG(DVORAK_SOUND) \
}
-/* Use I2C or Serial, not both */
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
#define MASTER_LEFT
// #define MASTER_RIGHT
diff --git a/keyboards/lets_split/keymaps/cpeters1982/config.h b/keyboards/lets_split/keymaps/cpeters1982/config.h
index 3639b9c3f22..bff85f1414f 100644
--- a/keyboards/lets_split/keymaps/cpeters1982/config.h
+++ b/keyboards/lets_split/keymaps/cpeters1982/config.h
@@ -23,11 +23,6 @@ along with this program. If not, see .
#include "../../config.h"
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
// #define MASTER_LEFT
diff --git a/keyboards/lets_split/keymaps/default/config.h b/keyboards/lets_split/keymaps/default/config.h
index 60e23f816d2..d9787a247f8 100644
--- a/keyboards/lets_split/keymaps/default/config.h
+++ b/keyboards/lets_split/keymaps/default/config.h
@@ -26,10 +26,6 @@ along with this program. If not, see .
SONG(DVORAK_SOUND) \
}
-/* Use I2C or Serial, not both */
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
#define MASTER_LEFT
// #define MASTER_RIGHT
diff --git a/keyboards/lets_split/keymaps/dlaroe/config.h b/keyboards/lets_split/keymaps/dlaroe/config.h
index 6b31e8d14ee..e898e2ed2ac 100644
--- a/keyboards/lets_split/keymaps/dlaroe/config.h
+++ b/keyboards/lets_split/keymaps/dlaroe/config.h
@@ -23,11 +23,6 @@ along with this program. If not, see .
#include "config_common.h"
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
#define MASTER_LEFT
diff --git a/keyboards/lets_split/keymaps/fabian/config.h b/keyboards/lets_split/keymaps/fabian/config.h
index 6ae40cc2ba2..d05757233db 100644
--- a/keyboards/lets_split/keymaps/fabian/config.h
+++ b/keyboards/lets_split/keymaps/fabian/config.h
@@ -16,8 +16,6 @@ along with this program. If not, see .
*/
-#define USE_SERIAL
-
#define MASTER_LEFT
// #define MASTER_RIGHT
// #define EE_HANDS
diff --git a/keyboards/lets_split/keymaps/halvves/config.h b/keyboards/lets_split/keymaps/halvves/config.h
index 70f6d13c7ba..4ba90f2cae9 100644
--- a/keyboards/lets_split/keymaps/halvves/config.h
+++ b/keyboards/lets_split/keymaps/halvves/config.h
@@ -20,10 +20,6 @@ along with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
// #define MASTER_LEFT
// #define MASTER_RIGHT
diff --git a/keyboards/lets_split/keymaps/heartrobotninja/config.h b/keyboards/lets_split/keymaps/heartrobotninja/config.h
index bb3556e5749..d4193609ad7 100644
--- a/keyboards/lets_split/keymaps/heartrobotninja/config.h
+++ b/keyboards/lets_split/keymaps/heartrobotninja/config.h
@@ -23,10 +23,6 @@ along with this program. If not, see .
#include "../../config.h"
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-
/* Select hand configuration */
// #define MASTER_LEFT
@@ -55,4 +51,4 @@ along with this program. If not, see .
#include "../../rev2fliphalf/config.h"
#endif
-#endif
\ No newline at end of file
+#endif
diff --git a/keyboards/lets_split/keymaps/henxing/config.h b/keyboards/lets_split/keymaps/henxing/config.h
index 5a6261c4f7c..470fc078542 100644
--- a/keyboards/lets_split/keymaps/henxing/config.h
+++ b/keyboards/lets_split/keymaps/henxing/config.h
@@ -23,11 +23,6 @@ along with this program. If not, see .
#include "../../config.h"
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
#define MASTER_LEFT
diff --git a/keyboards/lets_split/keymaps/hvp/config.h b/keyboards/lets_split/keymaps/hvp/config.h
index df24c53cde2..43d8b0f597b 100644
--- a/keyboards/lets_split/keymaps/hvp/config.h
+++ b/keyboards/lets_split/keymaps/hvp/config.h
@@ -26,10 +26,6 @@ along with this program. If not, see .
SONG(DVORAK_SOUND) \
}
-/* Use I2C or Serial, not both */
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
#define MASTER_LEFT
// #define MASTER_RIGHT
diff --git a/keyboards/lets_split/keymaps/khord/config.h b/keyboards/lets_split/keymaps/khord/config.h
index 71ec20dbc86..9d3cfca20d6 100644
--- a/keyboards/lets_split/keymaps/khord/config.h
+++ b/keyboards/lets_split/keymaps/khord/config.h
@@ -25,11 +25,6 @@ along with this program. If not, see .
#define TAPPING_TERM 150
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
//#define MASTER_LEFT
diff --git a/keyboards/lets_split/keymaps/mbsurfer/config.h b/keyboards/lets_split/keymaps/mbsurfer/config.h
index 6469b4846db..666a2012bde 100644
--- a/keyboards/lets_split/keymaps/mbsurfer/config.h
+++ b/keyboards/lets_split/keymaps/mbsurfer/config.h
@@ -25,11 +25,6 @@ along with this program. If not, see .
#define TAPPING_TERM 100
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
//#define MASTER_LEFT
diff --git a/keyboards/lets_split/keymaps/mekberg/README.md b/keyboards/lets_split/keymaps/mekberg/README.md
index 5202ec83667..a24a5735613 100644
--- a/keyboards/lets_split/keymaps/mekberg/README.md
+++ b/keyboards/lets_split/keymaps/mekberg/README.md
@@ -36,10 +36,6 @@ The special layer has Reset and EEP Reset keys on the left half, along with medi
This option is used because otherwise modtap functions would fail to trigger. This increases reliability for me.
-### USE_SERIAL
-
-N/A
-
### EE_HANDS
Prepared for EEPROM settings and different keymaps depending on USB port connected, but default master side remains left regardless.
diff --git a/keyboards/lets_split/keymaps/mekberg/config.h b/keyboards/lets_split/keymaps/mekberg/config.h
index 5523ecb5a3c..41ce1b15662 100644
--- a/keyboards/lets_split/keymaps/mekberg/config.h
+++ b/keyboards/lets_split/keymaps/mekberg/config.h
@@ -24,10 +24,6 @@ along with this program. If not, see .
// #define TAPPING_TERM 150
#define PERMISSIVE_HOLD
-/* Use I2C or Serial, not both */
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
//#define MASTER_LEFT
// #define MASTER_RIGHT
diff --git a/keyboards/lets_split/keymaps/mjt/config.h b/keyboards/lets_split/keymaps/mjt/config.h
index 735a58b11aa..b82efab6b0d 100644
--- a/keyboards/lets_split/keymaps/mjt/config.h
+++ b/keyboards/lets_split/keymaps/mjt/config.h
@@ -16,8 +16,6 @@ along with this program. If not, see .
*/
-#define USE_SERIAL
-
#define MASTER_LEFT
// #define MASTER_RIGHT
// #define EE_HANDS
diff --git a/keyboards/lets_split/keymaps/normacos/config.h b/keyboards/lets_split/keymaps/normacos/config.h
index 9f95a869df9..e7b95250f38 100644
--- a/keyboards/lets_split/keymaps/normacos/config.h
+++ b/keyboards/lets_split/keymaps/normacos/config.h
@@ -23,11 +23,6 @@ along with this program. If not, see .
#include "../../config.h"
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
// #define MASTER_LEFT
diff --git a/keyboards/lets_split/keymaps/pdl/config.h b/keyboards/lets_split/keymaps/pdl/config.h
index e79e132c64a..89fd6ac2024 100644
--- a/keyboards/lets_split/keymaps/pdl/config.h
+++ b/keyboards/lets_split/keymaps/pdl/config.h
@@ -24,11 +24,6 @@ along with this program. If not, see .
#define TAPPING_TERM 200
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
//#define MASTER_LEFT
diff --git a/keyboards/lets_split/keymaps/piemod/config.h b/keyboards/lets_split/keymaps/piemod/config.h
index c3975da3ca4..b0ccdb06997 100644
--- a/keyboards/lets_split/keymaps/piemod/config.h
+++ b/keyboards/lets_split/keymaps/piemod/config.h
@@ -23,11 +23,6 @@ along with this program. If not, see .
#include "../../config.h"
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
#define MASTER_LEFT
diff --git a/keyboards/lets_split/keymaps/pitty/config.h b/keyboards/lets_split/keymaps/pitty/config.h
index 3798f9a6470..9becb139682 100644
--- a/keyboards/lets_split/keymaps/pitty/config.h
+++ b/keyboards/lets_split/keymaps/pitty/config.h
@@ -3,11 +3,6 @@
#include "../../config.h"
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
#define MASTER_LEFT
diff --git a/keyboards/lets_split/keymaps/poker/config.h b/keyboards/lets_split/keymaps/poker/config.h
index 5a6261c4f7c..470fc078542 100644
--- a/keyboards/lets_split/keymaps/poker/config.h
+++ b/keyboards/lets_split/keymaps/poker/config.h
@@ -23,11 +23,6 @@ along with this program. If not, see .
#include "../../config.h"
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
#define MASTER_LEFT
diff --git a/keyboards/lets_split/keymaps/pyrol/config.h b/keyboards/lets_split/keymaps/pyrol/config.h
index f3502585d41..bc0ee4be351 100644
--- a/keyboards/lets_split/keymaps/pyrol/config.h
+++ b/keyboards/lets_split/keymaps/pyrol/config.h
@@ -20,8 +20,6 @@ along with this program. If not, see .
#pragma once
-#define USE_SERIAL
-
#define MASTER_LEFT
#undef RGBLED_NUM
#define RGBLIGHT_ANIMATIONS
diff --git a/keyboards/lets_split/keymaps/shaymdev/config.h b/keyboards/lets_split/keymaps/shaymdev/config.h
index 300dc47c2e0..1a46cdf108a 100644
--- a/keyboards/lets_split/keymaps/shaymdev/config.h
+++ b/keyboards/lets_split/keymaps/shaymdev/config.h
@@ -20,10 +20,6 @@ along with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
#define MASTER_LEFT
// #define _MASTER_RIGHT
diff --git a/keyboards/lets_split/keymaps/smt/config.h b/keyboards/lets_split/keymaps/smt/config.h
index 5a6261c4f7c..470fc078542 100644
--- a/keyboards/lets_split/keymaps/smt/config.h
+++ b/keyboards/lets_split/keymaps/smt/config.h
@@ -23,11 +23,6 @@ along with this program. If not, see .
#include "../../config.h"
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
#define MASTER_LEFT
diff --git a/keyboards/lets_split/keymaps/tylerwince/config.h b/keyboards/lets_split/keymaps/tylerwince/config.h
index 6fff5478da9..1dc693d24b5 100644
--- a/keyboards/lets_split/keymaps/tylerwince/config.h
+++ b/keyboards/lets_split/keymaps/tylerwince/config.h
@@ -20,11 +20,6 @@ along with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
#define MASTER_LEFT
diff --git a/keyboards/lets_split/keymaps/via/config.h b/keyboards/lets_split/keymaps/via/config.h
index 334be75194f..479470a93e8 100644
--- a/keyboards/lets_split/keymaps/via/config.h
+++ b/keyboards/lets_split/keymaps/via/config.h
@@ -26,10 +26,6 @@ along with this program. If not, see .
SONG(DVORAK_SOUND) \
}
-/* Use I2C or Serial, not both */
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
#define MASTER_LEFT
// #define MASTER_RIGHT
diff --git a/keyboards/lets_split/keymaps/vim-mode/config.h b/keyboards/lets_split/keymaps/vim-mode/config.h
index 25512a5c97c..1fe4384a253 100644
--- a/keyboards/lets_split/keymaps/vim-mode/config.h
+++ b/keyboards/lets_split/keymaps/vim-mode/config.h
@@ -26,11 +26,6 @@ along with this program. If not, see .
SONG(DVORAK_SOUND) \
}
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
#define MASTER_LEFT
diff --git a/keyboards/lets_split/keymaps/waples/config.h b/keyboards/lets_split/keymaps/waples/config.h
index 5221fd011a5..17172f729c6 100644
--- a/keyboards/lets_split/keymaps/waples/config.h
+++ b/keyboards/lets_split/keymaps/waples/config.h
@@ -3,10 +3,6 @@
#include "../../config.h"
-/* Use I2C or Serial, not both */
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
// #define MASTER_LEFT
// #define MASTER_RIGHT
diff --git a/keyboards/lets_split/keymaps/yshrsmz/config.h b/keyboards/lets_split/keymaps/yshrsmz/config.h
index 301f1ffc60d..23426411d98 100644
--- a/keyboards/lets_split/keymaps/yshrsmz/config.h
+++ b/keyboards/lets_split/keymaps/yshrsmz/config.h
@@ -20,11 +20,6 @@ along with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
/* auto shift config */
#define AUTO_SHIFT_TIMEOUT 150
diff --git a/keyboards/lets_split/keymaps/zer09/config.h b/keyboards/lets_split/keymaps/zer09/config.h
index 3990c3dc5bf..36d94824d54 100644
--- a/keyboards/lets_split/keymaps/zer09/config.h
+++ b/keyboards/lets_split/keymaps/zer09/config.h
@@ -37,11 +37,6 @@ along with this program. If not, see .
#define USB_MAX_POWER_CONSUMPTION 50
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
/* #define MASTER_LEFT */
diff --git a/keyboards/lime/rev1/config.h b/keyboards/lime/rev1/config.h
index 3eaa4e2b602..942cb9c7b81 100644
--- a/keyboards/lime/rev1/config.h
+++ b/keyboards/lime/rev1/config.h
@@ -48,7 +48,6 @@
#define TAP_CODE_DELAY 10
/* communication between sides */
-#define USE_SERIAL
#define SOFT_SERIAL_PIN D2
#define SPLIT_USB_DETECT
diff --git a/keyboards/malevolti/lyra/rev1/config.h b/keyboards/malevolti/lyra/rev1/config.h
index 1e0628c6d30..5e4e98d1ffa 100644
--- a/keyboards/malevolti/lyra/rev1/config.h
+++ b/keyboards/malevolti/lyra/rev1/config.h
@@ -1,18 +1,18 @@
/* Copyright 2021 Domanic Calleja
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see .
- */
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see .
+ */
#pragma once
/* key matrix size */
@@ -35,5 +35,4 @@
#define DEBOUNCE 5
/* communication between sides */
-#define USE_SERIAL
#define SOFT_SERIAL_PIN D2
diff --git a/keyboards/maple_computing/minidox/keymaps/alairock/config.h b/keyboards/maple_computing/minidox/keymaps/alairock/config.h
index 6b0069f4b23..c8f5acdea77 100644
--- a/keyboards/maple_computing/minidox/keymaps/alairock/config.h
+++ b/keyboards/maple_computing/minidox/keymaps/alairock/config.h
@@ -24,8 +24,6 @@ along with this program. If not, see .
#include "../../config.h"
-#define USE_SERIAL
-
#define EE_HANDS
/* ws2812 RGB LED */
diff --git a/keyboards/maple_computing/minidox/keymaps/bepo/config.h b/keyboards/maple_computing/minidox/keymaps/bepo/config.h
index 7338c24c680..f2a669ec94d 100644
--- a/keyboards/maple_computing/minidox/keymaps/bepo/config.h
+++ b/keyboards/maple_computing/minidox/keymaps/bepo/config.h
@@ -1,6 +1,4 @@
#pragma once
-#define USE_SERIAL
-
#define EE_HANDS
#define IGNORE_MOD_TAP_INTERRUPT
diff --git a/keyboards/maple_computing/minidox/keymaps/dustypomerleau/config.h b/keyboards/maple_computing/minidox/keymaps/dustypomerleau/config.h
index b2169947b7a..0cd6c2b9942 100644
--- a/keyboards/maple_computing/minidox/keymaps/dustypomerleau/config.h
+++ b/keyboards/maple_computing/minidox/keymaps/dustypomerleau/config.h
@@ -6,7 +6,6 @@
#define IGNORE_MOD_TAP_INTERRUPT
#define ONESHOT_TIMEOUT 1000
#define TAPPING_TERM 200
-#define USE_SERIAL
// optional configuration:
diff --git a/keyboards/maple_computing/minidox/keymaps/rsthd_combos/config.h b/keyboards/maple_computing/minidox/keymaps/rsthd_combos/config.h
index 1106412b59a..37602b9163c 100644
--- a/keyboards/maple_computing/minidox/keymaps/rsthd_combos/config.h
+++ b/keyboards/maple_computing/minidox/keymaps/rsthd_combos/config.h
@@ -1,6 +1,5 @@
#pragma once
-#define USE_SERIAL
#define EE_HANDS
diff --git a/keyboards/maple_computing/minidox/keymaps/that_canadian/config.h b/keyboards/maple_computing/minidox/keymaps/that_canadian/config.h
index b85609127ee..12ff1d970e2 100644
--- a/keyboards/maple_computing/minidox/keymaps/that_canadian/config.h
+++ b/keyboards/maple_computing/minidox/keymaps/that_canadian/config.h
@@ -23,8 +23,6 @@ along with this program. If not, see .
#include "../../config.h"
-#define USE_SERIAL
-
#define EE_HANDS
/* ws2812 RGB LED */
@@ -36,4 +34,4 @@ along with this program. If not, see .
#define RGBLIGHT_SAT_STEP 17
#define RGBLIGHT_VAL_STEP 17
-#endif
\ No newline at end of file
+#endif
diff --git a/keyboards/maple_computing/minidox/keymaps/xyverz/config.h b/keyboards/maple_computing/minidox/keymaps/xyverz/config.h
index ae26f949990..ee2a4181833 100644
--- a/keyboards/maple_computing/minidox/keymaps/xyverz/config.h
+++ b/keyboards/maple_computing/minidox/keymaps/xyverz/config.h
@@ -23,8 +23,6 @@ along with this program. If not, see .
#include "../../config.h"
-#define USE_SERIAL
-
#define EE_HANDS
/* ws2812 RGB LED */
diff --git a/keyboards/maple_computing/minidox/rev1/config.h b/keyboards/maple_computing/minidox/rev1/config.h
index 6867fee4b55..fb12f4175a5 100644
--- a/keyboards/maple_computing/minidox/rev1/config.h
+++ b/keyboards/maple_computing/minidox/rev1/config.h
@@ -23,6 +23,4 @@ along with this program. If not, see .
#define SOFT_SERIAL_PIN D0
-#define USE_SERIAL
-
//#define EE_HANDS
diff --git a/keyboards/miniaxe/config.h b/keyboards/miniaxe/config.h
index 99ebf5b9afd..a874688171f 100644
--- a/keyboards/miniaxe/config.h
+++ b/keyboards/miniaxe/config.h
@@ -54,7 +54,7 @@ along with this program. If not, see .
#define RGB_DI_PIN F4
#ifdef RGB_DI_PIN
#define RGBLIGHT_ANIMATIONS
-#define RGBLED_NUM 6
+#define RGBLED_NUM 6
#define RGBLIGHT_HUE_STEP 8
#define RGBLIGHT_SAT_STEP 8
#define RGBLIGHT_VAL_STEP 8
@@ -119,8 +119,6 @@ along with this program. If not, see .
// #define BOOTMAGIC_LITE_ROW 0
// #define BOOTMAGIC_LITE_COLUMN 0
-/* Serial settings */
-#define USE_SERIAL
/* serial.c configuration for split keyboard */
#define SOFT_SERIAL_PIN D0
diff --git a/keyboards/mint60/keymaps/default/config.h b/keyboards/mint60/keymaps/default/config.h
index 9af2f45cfb4..a0441631080 100644
--- a/keyboards/mint60/keymaps/default/config.h
+++ b/keyboards/mint60/keymaps/default/config.h
@@ -16,8 +16,4 @@
#pragma once
-/* Use I2C or Serial, not both */
-// #define USE_SERIAL
-// #define USE_I2C
-
// #define MASTER_RIGHT
diff --git a/keyboards/mint60/keymaps/eucalyn/config.h b/keyboards/mint60/keymaps/eucalyn/config.h
index 9af2f45cfb4..a0441631080 100644
--- a/keyboards/mint60/keymaps/eucalyn/config.h
+++ b/keyboards/mint60/keymaps/eucalyn/config.h
@@ -16,8 +16,4 @@
#pragma once
-/* Use I2C or Serial, not both */
-// #define USE_SERIAL
-// #define USE_I2C
-
// #define MASTER_RIGHT
diff --git a/keyboards/molecule/config.h b/keyboards/molecule/config.h
index 8f7396dfc89..d7f218f74f5 100755
--- a/keyboards/molecule/config.h
+++ b/keyboards/molecule/config.h
@@ -43,7 +43,6 @@ along with this program. If not, see .
* Split Keyboard specific options, make sure you have 'SPLIT_KEYBOARD = yes' in your rules.mk, and define SOFT_SERIAL_PIN.
*/
// #define SOFT_SERIAL_PIN D2 // or D1, D2, D3, E6
-// #define USE_SERIAL
//#define BACKLIGHT_PIN B7
//#define BACKLIGHT_LEVELS 3
diff --git a/keyboards/momoka_ergo/config.h b/keyboards/momoka_ergo/config.h
index e4805812205..03bd5fdfc0e 100644
--- a/keyboards/momoka_ergo/config.h
+++ b/keyboards/momoka_ergo/config.h
@@ -53,7 +53,7 @@ along with this program. If not, see .
#define RGBLIGHT_VAL_STEP 8
/* Debounce reduces chatter (unintended double-presses) - set 0 if debouncing is not needed */
-#define DEBOUNCE 3
+#define DEBOUNCE 3
/* define if matrix has ghost (lacks anti-ghosting diodes) */
//#define MATRIX_HAS_GHOST
@@ -107,8 +107,7 @@ along with this program. If not, see .
/* Bootmagic Lite key configuration */
//#define BOOTMAGIC_LITE_ROW 0
-//#define BOOTMAGIC_LITE_COLUMN 0
+//#define BOOTMAGIC_LITE_COLUMN 0
-#define USE_SERIAL
#define SPLIT_USB_DETECT
#define EE_HANDS
diff --git a/keyboards/obosob/steal_this_keyboard/config.h b/keyboards/obosob/steal_this_keyboard/config.h
index acb0d64b79d..7060e2ae6a1 100644
--- a/keyboards/obosob/steal_this_keyboard/config.h
+++ b/keyboards/obosob/steal_this_keyboard/config.h
@@ -51,8 +51,6 @@ along with this program. If not, see .
/* Debounce reduces chatter (unintended double-presses) - set 0 if debouncing is not needed */
#define DEBOUNCE 5
-/* Serial settings */
-#define USE_SERIAL
/* serial.c configuration for split keyboard */
#define SOFT_SERIAL_PIN D2
diff --git a/keyboards/omkbd/ergodash/mini/keymaps/default/config.h b/keyboards/omkbd/ergodash/mini/keymaps/default/config.h
index df04873a97e..a597d848e2e 100644
--- a/keyboards/omkbd/ergodash/mini/keymaps/default/config.h
+++ b/keyboards/omkbd/ergodash/mini/keymaps/default/config.h
@@ -20,12 +20,6 @@ along with this program. If not, see .
#pragma once
-
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
#define MASTER_LEFT
diff --git a/keyboards/omkbd/ergodash/mini/keymaps/toyoshimahidenori/config.h b/keyboards/omkbd/ergodash/mini/keymaps/toyoshimahidenori/config.h
index df04873a97e..a597d848e2e 100644
--- a/keyboards/omkbd/ergodash/mini/keymaps/toyoshimahidenori/config.h
+++ b/keyboards/omkbd/ergodash/mini/keymaps/toyoshimahidenori/config.h
@@ -20,12 +20,6 @@ along with this program. If not, see .
#pragma once
-
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
#define MASTER_LEFT
diff --git a/keyboards/omkbd/ergodash/mini/keymaps/yoshimaru46/config.h b/keyboards/omkbd/ergodash/mini/keymaps/yoshimaru46/config.h
index df04873a97e..a597d848e2e 100644
--- a/keyboards/omkbd/ergodash/mini/keymaps/yoshimaru46/config.h
+++ b/keyboards/omkbd/ergodash/mini/keymaps/yoshimaru46/config.h
@@ -20,12 +20,6 @@ along with this program. If not, see .
#pragma once
-
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
#define MASTER_LEFT
diff --git a/keyboards/omkbd/ergodash/rev1/keymaps/333fred/config.h b/keyboards/omkbd/ergodash/rev1/keymaps/333fred/config.h
index a8ad1e4fe77..cb50d1a34b3 100644
--- a/keyboards/omkbd/ergodash/rev1/keymaps/333fred/config.h
+++ b/keyboards/omkbd/ergodash/rev1/keymaps/333fred/config.h
@@ -22,7 +22,6 @@
#pragma once
-#define USE_SERIAL
#define MASTER_LEFT
#undef TAPPING_TERM
diff --git a/keyboards/omkbd/ergodash/rev1/keymaps/default/config.h b/keyboards/omkbd/ergodash/rev1/keymaps/default/config.h
index df04873a97e..a597d848e2e 100644
--- a/keyboards/omkbd/ergodash/rev1/keymaps/default/config.h
+++ b/keyboards/omkbd/ergodash/rev1/keymaps/default/config.h
@@ -20,12 +20,6 @@ along with this program. If not, see .
#pragma once
-
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
#define MASTER_LEFT
diff --git a/keyboards/omkbd/ergodash/rev1/keymaps/greenshadowmaker/config.h b/keyboards/omkbd/ergodash/rev1/keymaps/greenshadowmaker/config.h
index df04873a97e..a597d848e2e 100644
--- a/keyboards/omkbd/ergodash/rev1/keymaps/greenshadowmaker/config.h
+++ b/keyboards/omkbd/ergodash/rev1/keymaps/greenshadowmaker/config.h
@@ -20,12 +20,6 @@ along with this program. If not, see .
#pragma once
-
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
#define MASTER_LEFT
diff --git a/keyboards/omkbd/ergodash/rev1/keymaps/m47ch4n/config.h b/keyboards/omkbd/ergodash/rev1/keymaps/m47ch4n/config.h
index df04873a97e..a597d848e2e 100644
--- a/keyboards/omkbd/ergodash/rev1/keymaps/m47ch4n/config.h
+++ b/keyboards/omkbd/ergodash/rev1/keymaps/m47ch4n/config.h
@@ -20,12 +20,6 @@ along with this program. If not, see .
#pragma once
-
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
#define MASTER_LEFT
diff --git a/keyboards/omkbd/ergodash/rev1/keymaps/nopunin10did/config.h b/keyboards/omkbd/ergodash/rev1/keymaps/nopunin10did/config.h
index b5c45669d4b..9f734138b48 100644
--- a/keyboards/omkbd/ergodash/rev1/keymaps/nopunin10did/config.h
+++ b/keyboards/omkbd/ergodash/rev1/keymaps/nopunin10did/config.h
@@ -20,12 +20,6 @@ along with this program. If not, see .
#pragma once
-
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
#define MASTER_LEFT
@@ -33,4 +27,4 @@ along with this program. If not, see .
// #define EE_HANDS
#undef TAPPING_TERM
-#define TAPPING_TERM 300
\ No newline at end of file
+#define TAPPING_TERM 300
diff --git a/keyboards/omkbd/ergodash/rev1/keymaps/shadowprogr/config.h b/keyboards/omkbd/ergodash/rev1/keymaps/shadowprogr/config.h
index 4dcefdbcc61..2493fe09e22 100644
--- a/keyboards/omkbd/ergodash/rev1/keymaps/shadowprogr/config.h
+++ b/keyboards/omkbd/ergodash/rev1/keymaps/shadowprogr/config.h
@@ -20,12 +20,6 @@ along with this program. If not, see .
#pragma once
-
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
#define MASTER_LEFT
@@ -33,4 +27,4 @@ along with this program. If not, see .
// #define EE_HANDS
#define LEADER_PER_KEY_TIMING
-#define LEADER_TIMEOUT 250
\ No newline at end of file
+#define LEADER_TIMEOUT 250
diff --git a/keyboards/omkbd/ergodash/rev1/keymaps/tw1t611/config.h b/keyboards/omkbd/ergodash/rev1/keymaps/tw1t611/config.h
index df04873a97e..a597d848e2e 100644
--- a/keyboards/omkbd/ergodash/rev1/keymaps/tw1t611/config.h
+++ b/keyboards/omkbd/ergodash/rev1/keymaps/tw1t611/config.h
@@ -20,12 +20,6 @@ along with this program. If not, see .
#pragma once
-
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
#define MASTER_LEFT
diff --git a/keyboards/omkbd/ergodash/rev1/keymaps/yet-another-developer/config.h b/keyboards/omkbd/ergodash/rev1/keymaps/yet-another-developer/config.h
index 1005c480467..09bc62a14f1 100644
--- a/keyboards/omkbd/ergodash/rev1/keymaps/yet-another-developer/config.h
+++ b/keyboards/omkbd/ergodash/rev1/keymaps/yet-another-developer/config.h
@@ -20,11 +20,6 @@ along with this program. If not, see .
#pragma once
-
-/* Use I2C or Serial, not both */
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
//#define MASTER_LEFT
diff --git a/keyboards/orthodox/keymaps/default/config.h b/keyboards/orthodox/keymaps/default/config.h
index ce4538b08a2..3ba91a8fb24 100644
--- a/keyboards/orthodox/keymaps/default/config.h
+++ b/keyboards/orthodox/keymaps/default/config.h
@@ -21,11 +21,6 @@ along with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
// #define MASTER_LEFT
diff --git a/keyboards/orthodox/keymaps/drashna/config.h b/keyboards/orthodox/keymaps/drashna/config.h
index caa69821a04..f82d427c05b 100644
--- a/keyboards/orthodox/keymaps/drashna/config.h
+++ b/keyboards/orthodox/keymaps/drashna/config.h
@@ -21,9 +21,6 @@ along with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
-
-// #define USE_SERIAL
#define USE_I2C
/* Select hand configuration */
diff --git a/keyboards/orthodox/keymaps/oscillope/config.h b/keyboards/orthodox/keymaps/oscillope/config.h
index 3b1fd500078..363a6377906 100644
--- a/keyboards/orthodox/keymaps/oscillope/config.h
+++ b/keyboards/orthodox/keymaps/oscillope/config.h
@@ -24,9 +24,6 @@ along with this program. If not, see .
#include "config_common.h"
-/* Use I2C or Serial, not both */
-
-// #define USE_SERIAL
#define USE_I2C
/* Select hand configuration */
diff --git a/keyboards/orthodox/keymaps/pdl/config.h b/keyboards/orthodox/keymaps/pdl/config.h
index 5fd46b41c65..ad9b6207b30 100644
--- a/keyboards/orthodox/keymaps/pdl/config.h
+++ b/keyboards/orthodox/keymaps/pdl/config.h
@@ -22,12 +22,6 @@ along with this program. If not, see .
#pragma once
-
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
// #define MASTER_LEFT
diff --git a/keyboards/orthodox/keymaps/rfvizarra/config.h b/keyboards/orthodox/keymaps/rfvizarra/config.h
index 7ac207f0d36..fbe7ceb6298 100644
--- a/keyboards/orthodox/keymaps/rfvizarra/config.h
+++ b/keyboards/orthodox/keymaps/rfvizarra/config.h
@@ -31,9 +31,6 @@ along with this program. If not, see .
}
#endif
-/* Use I2C or Serial, not both */
-
-// #define USE_SERIAL
#define USE_I2C
/* Select hand configuration */
diff --git a/keyboards/orthodox/keymaps/shaymdev/config.h b/keyboards/orthodox/keymaps/shaymdev/config.h
index 749302284a2..39f7c8accd9 100644
--- a/keyboards/orthodox/keymaps/shaymdev/config.h
+++ b/keyboards/orthodox/keymaps/shaymdev/config.h
@@ -21,10 +21,6 @@ along with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
-#define USE_SERIAL
-// #define USE_I2C
-
#define EE_HANDS
#undef RGBLED_NUM
diff --git a/keyboards/orthodox/keymaps/xyverz/config.h b/keyboards/orthodox/keymaps/xyverz/config.h
index a44d2b5aed9..d8e91fa6d80 100644
--- a/keyboards/orthodox/keymaps/xyverz/config.h
+++ b/keyboards/orthodox/keymaps/xyverz/config.h
@@ -21,13 +21,8 @@ along with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
#define MASTER_LEFT
// #define _MASTER_RIGHT
-// #define EE_HANDS
\ No newline at end of file
+// #define EE_HANDS
diff --git a/keyboards/pico/config.h b/keyboards/pico/config.h
index 36c8f68b90f..e18d46f583f 100644
--- a/keyboards/pico/config.h
+++ b/keyboards/pico/config.h
@@ -18,8 +18,6 @@
#include "config_common.h"
-#define USE_SERIAL
-
/* Select hand configuration */
#define MASTER_LEFT
// #define MASTER_RIGHT
diff --git a/keyboards/pisces/config.h b/keyboards/pisces/config.h
index 42db825e3ea..8690a4e5f19 100644
--- a/keyboards/pisces/config.h
+++ b/keyboards/pisces/config.h
@@ -18,8 +18,6 @@
#include "config_common.h"
-#define USE_SERIAL
-
/* serial.c configuration for split keyboard */
#define SOFT_SERIAL_PIN D2
diff --git a/keyboards/pluckey/config.h b/keyboards/pluckey/config.h
index 152b8c3169f..7aa146aa17e 100644
--- a/keyboards/pluckey/config.h
+++ b/keyboards/pluckey/config.h
@@ -46,7 +46,6 @@ along with this program. If not, see .
#define ENCODER_RESOLUTION_RIGHT 2
/* communication between sides */
-#define USE_SERIAL
#define SOFT_SERIAL_PIN D2
/* Debounce reduces chatter (unintended double-presses) - set 0 if debouncing is not needed */
diff --git a/keyboards/pteron36/config.h b/keyboards/pteron36/config.h
index 96b5b42f866..32c962dcc0d 100644
--- a/keyboards/pteron36/config.h
+++ b/keyboards/pteron36/config.h
@@ -42,7 +42,6 @@ along with this program. If not, see .
/*
* Split Keyboard specific options, make sure you have 'SPLIT_KEYBOARD = yes' in your rules.mk, and define SOFT_SERIAL_PIN.
*/
- #define USE_SERIAL
#define SOFT_SERIAL_PIN D3 // or D1, D2, D3, E6
//#define LED_NUM_LOCK_PIN B0
diff --git a/keyboards/qwertyydox/keymaps/default/config.h b/keyboards/qwertyydox/keymaps/default/config.h
index cc85e4e2e81..504bee96de8 100644
--- a/keyboards/qwertyydox/keymaps/default/config.h
+++ b/keyboards/qwertyydox/keymaps/default/config.h
@@ -17,11 +17,6 @@ along with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
// #define MASTER_LEFT
diff --git a/keyboards/redox/keymaps/KL1RL/config.h b/keyboards/redox/keymaps/KL1RL/config.h
index ea7525b388f..5b9a8c161ca 100644
--- a/keyboards/redox/keymaps/KL1RL/config.h
+++ b/keyboards/redox/keymaps/KL1RL/config.h
@@ -17,8 +17,6 @@ along with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
-// #define USE_SERIAL
#define USE_I2C
/* Select hand configuration */
diff --git a/keyboards/redox/keymaps/cykedev/config.h b/keyboards/redox/keymaps/cykedev/config.h
index 05ff248b6d9..47bc84bd67f 100644
--- a/keyboards/redox/keymaps/cykedev/config.h
+++ b/keyboards/redox/keymaps/cykedev/config.h
@@ -15,7 +15,6 @@
#pragma once
-#define USE_SERIAL
#define MASTER_LEFT
#undef RGBLED_NUM
#define RGBLIGHT_ANIMATIONS
diff --git a/keyboards/redox/keymaps/default/config.h b/keyboards/redox/keymaps/default/config.h
index a3ef209a05d..39972d3e829 100644
--- a/keyboards/redox/keymaps/default/config.h
+++ b/keyboards/redox/keymaps/default/config.h
@@ -17,10 +17,6 @@ along with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
#define MASTER_LEFT
// #define MASTER_RIGHT
diff --git a/keyboards/redox/keymaps/eightbitraptor/config.h b/keyboards/redox/keymaps/eightbitraptor/config.h
index d1b00121474..1810a97c9fb 100644
--- a/keyboards/redox/keymaps/eightbitraptor/config.h
+++ b/keyboards/redox/keymaps/eightbitraptor/config.h
@@ -17,10 +17,6 @@ along with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
#define MASTER_LEFT
// #define MASTER_RIGHT
diff --git a/keyboards/redox/keymaps/fculpo/config.h b/keyboards/redox/keymaps/fculpo/config.h
index bff76aef264..f14e8233f6e 100644
--- a/keyboards/redox/keymaps/fculpo/config.h
+++ b/keyboards/redox/keymaps/fculpo/config.h
@@ -17,10 +17,6 @@ along with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
#define MASTER_LEFT
//#define MASTER_RIGHT
diff --git a/keyboards/redox/keymaps/finex/config.h b/keyboards/redox/keymaps/finex/config.h
index 8852a4cc872..bfad3bc6bf3 100644
--- a/keyboards/redox/keymaps/finex/config.h
+++ b/keyboards/redox/keymaps/finex/config.h
@@ -17,10 +17,6 @@ along with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
#define MASTER_LEFT
// #define MASTER_RIGHT
diff --git a/keyboards/redox/keymaps/finex/readme.md b/keyboards/redox/keymaps/finex/readme.md
index 9b88469a133..ae092e8064a 100644
--- a/keyboards/redox/keymaps/finex/readme.md
+++ b/keyboards/redox/keymaps/finex/readme.md
@@ -3,7 +3,6 @@
## Features
-- Enabled USE_SERIAL for Falba.Tech Redox keyboards.
- PC Layouts: Colemak Mod DH-MK, Qwerty.
- Mac Layouts: same as above with CTRL-GUI keys inverted.
- Added redundant `Space`, `Esc`, `Ctrl` and `Enter` keys. I like to have this
diff --git a/keyboards/redox/keymaps/german/config.h b/keyboards/redox/keymaps/german/config.h
index a3ef209a05d..39972d3e829 100644
--- a/keyboards/redox/keymaps/german/config.h
+++ b/keyboards/redox/keymaps/german/config.h
@@ -17,10 +17,6 @@ along with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
#define MASTER_LEFT
// #define MASTER_RIGHT
diff --git a/keyboards/redox/keymaps/italian/config.h b/keyboards/redox/keymaps/italian/config.h
index a3ef209a05d..39972d3e829 100644
--- a/keyboards/redox/keymaps/italian/config.h
+++ b/keyboards/redox/keymaps/italian/config.h
@@ -17,10 +17,6 @@ along with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
#define MASTER_LEFT
// #define MASTER_RIGHT
diff --git a/keyboards/redox/keymaps/jeherve/config.h b/keyboards/redox/keymaps/jeherve/config.h
index e3ed839f446..d467cc801e8 100644
--- a/keyboards/redox/keymaps/jeherve/config.h
+++ b/keyboards/redox/keymaps/jeherve/config.h
@@ -20,10 +20,6 @@ along with this program. If not, see .
/* Change the default tapping toggle value (normally 5) */
#define TAPPING_TOGGLE 2
-/* Use I2C or Serial, not both */
-#define USE_SERIAL
-//#define USE_I2C
-
/* Select hand configuration */
#define MASTER_LEFT
// #define MASTER_RIGHT
diff --git a/keyboards/redox/keymaps/nrichers/config.h b/keyboards/redox/keymaps/nrichers/config.h
index a3ef209a05d..39972d3e829 100755
--- a/keyboards/redox/keymaps/nrichers/config.h
+++ b/keyboards/redox/keymaps/nrichers/config.h
@@ -17,10 +17,6 @@ along with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
#define MASTER_LEFT
// #define MASTER_RIGHT
diff --git a/keyboards/redox/keymaps/ptillemans/config.h b/keyboards/redox/keymaps/ptillemans/config.h
index a3ef209a05d..39972d3e829 100644
--- a/keyboards/redox/keymaps/ptillemans/config.h
+++ b/keyboards/redox/keymaps/ptillemans/config.h
@@ -17,10 +17,6 @@ along with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
#define MASTER_LEFT
// #define MASTER_RIGHT
diff --git a/keyboards/redox/keymaps/thattolleyguy/config.h b/keyboards/redox/keymaps/thattolleyguy/config.h
index 6e8de527cd5..cf32745193e 100644
--- a/keyboards/redox/keymaps/thattolleyguy/config.h
+++ b/keyboards/redox/keymaps/thattolleyguy/config.h
@@ -17,9 +17,6 @@ along with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
-#define USE_SERIAL
-
/* Select hand configuration */
// #define MASTER_LEFT
#define EE_HANDS
diff --git a/keyboards/redox/keymaps/tw1t611/config.h b/keyboards/redox/keymaps/tw1t611/config.h
index 2110642c54e..894d50238af 100644
--- a/keyboards/redox/keymaps/tw1t611/config.h
+++ b/keyboards/redox/keymaps/tw1t611/config.h
@@ -1,9 +1,5 @@
#pragma once
-/* Use I2C or Serial, not both */
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
#define MASTER_LEFT
// #define MASTER_RIGHT
diff --git a/keyboards/redox/keymaps/via/config.h b/keyboards/redox/keymaps/via/config.h
index a3ef209a05d..39972d3e829 100644
--- a/keyboards/redox/keymaps/via/config.h
+++ b/keyboards/redox/keymaps/via/config.h
@@ -17,10 +17,6 @@ along with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
#define MASTER_LEFT
// #define MASTER_RIGHT
diff --git a/keyboards/redox_media/keymaps/default/config.h b/keyboards/redox_media/keymaps/default/config.h
index 5da1f9060a7..5970733b207 100644
--- a/keyboards/redox_media/keymaps/default/config.h
+++ b/keyboards/redox_media/keymaps/default/config.h
@@ -17,10 +17,6 @@ along with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
// #define MASTER_LEFT
-#define EE_HANDS
\ No newline at end of file
+#define EE_HANDS
diff --git a/keyboards/rgbkb/zen/rev1/keymaps/333fred/config.h b/keyboards/rgbkb/zen/rev1/keymaps/333fred/config.h
index 38e5590d385..3d3186342f6 100644
--- a/keyboards/rgbkb/zen/rev1/keymaps/333fred/config.h
+++ b/keyboards/rgbkb/zen/rev1/keymaps/333fred/config.h
@@ -24,10 +24,6 @@
#include "config_common.h"
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-
/* Select hand configuration */
//#define MASTER_LEFT
#define EE_HANDS
diff --git a/keyboards/rgbkb/zen/rev1/keymaps/cwebster2/config.h b/keyboards/rgbkb/zen/rev1/keymaps/cwebster2/config.h
index cdffe6fd500..c150da1cdda 100644
--- a/keyboards/rgbkb/zen/rev1/keymaps/cwebster2/config.h
+++ b/keyboards/rgbkb/zen/rev1/keymaps/cwebster2/config.h
@@ -19,10 +19,6 @@ along with this program. If not, see .
#include "config_common.h"
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-
#define EE_HANDS
#ifdef COMBO_ENABLE
diff --git a/keyboards/rgbkb/zen/rev1/keymaps/default/config.h b/keyboards/rgbkb/zen/rev1/keymaps/default/config.h
index 4a549c5b1f7..76598a3ee5d 100644
--- a/keyboards/rgbkb/zen/rev1/keymaps/default/config.h
+++ b/keyboards/rgbkb/zen/rev1/keymaps/default/config.h
@@ -19,11 +19,6 @@ along with this program. If not, see .
#include "config_common.h"
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
#define MASTER_LEFT
diff --git a/keyboards/rgbkb/zen/rev1/keymaps/jwlawrence/config.h b/keyboards/rgbkb/zen/rev1/keymaps/jwlawrence/config.h
index d813085e46d..fa8d58e6c49 100644
--- a/keyboards/rgbkb/zen/rev1/keymaps/jwlawrence/config.h
+++ b/keyboards/rgbkb/zen/rev1/keymaps/jwlawrence/config.h
@@ -19,11 +19,6 @@ along with this program. If not, see .
// place overrides here
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
#define MASTER_LEFT
diff --git a/keyboards/rgbkb/zen/rev1/keymaps/samae/config.h b/keyboards/rgbkb/zen/rev1/keymaps/samae/config.h
index d7b37d52528..debae6aeb8b 100644
--- a/keyboards/rgbkb/zen/rev1/keymaps/samae/config.h
+++ b/keyboards/rgbkb/zen/rev1/keymaps/samae/config.h
@@ -19,11 +19,6 @@ along with this program. If not, see .
#include "config_common.h"
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
// #define MASTER_LEFT
diff --git a/keyboards/rgbkb/zen/rev1/keymaps/starcalleramethyst/config.h b/keyboards/rgbkb/zen/rev1/keymaps/starcalleramethyst/config.h
index d3d1a60ca97..91f63a55bab 100644
--- a/keyboards/rgbkb/zen/rev1/keymaps/starcalleramethyst/config.h
+++ b/keyboards/rgbkb/zen/rev1/keymaps/starcalleramethyst/config.h
@@ -1,5 +1,5 @@
/*
-Copyright 2019 starcalleramethyst
+Copyright 2019 starcalleramethyst
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
@@ -17,12 +17,6 @@ along with this program. If not, see .
#pragma once
-
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
#define MASTER_LEFT
diff --git a/keyboards/rgbkb/zen/rev1/keymaps/xyverz/config.h b/keyboards/rgbkb/zen/rev1/keymaps/xyverz/config.h
index d3e21ea1726..f0ded5f66f4 100644
--- a/keyboards/rgbkb/zen/rev1/keymaps/xyverz/config.h
+++ b/keyboards/rgbkb/zen/rev1/keymaps/xyverz/config.h
@@ -19,9 +19,6 @@ along with this program. If not, see .
#include "config_common.h"
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
#define EE_HANDS
#undef RGBLED_NUM
diff --git a/keyboards/salicylic_acid3/naked48/keymaps/default/config.h b/keyboards/salicylic_acid3/naked48/keymaps/default/config.h
index 0e452bdb4a9..4f3a44d6bbc 100644
--- a/keyboards/salicylic_acid3/naked48/keymaps/default/config.h
+++ b/keyboards/salicylic_acid3/naked48/keymaps/default/config.h
@@ -22,7 +22,5 @@
// #define MASTER_RIGHT
// #define EE_HANDS
-//#define USE_SERIAL
-
#define TAPPING_FORCE_HOLD
#define TAPPING_TERM 180
diff --git a/keyboards/scatter42/config.h b/keyboards/scatter42/config.h
index e2719847605..a2c5cc6ec68 100644
--- a/keyboards/scatter42/config.h
+++ b/keyboards/scatter42/config.h
@@ -43,7 +43,6 @@ along with this program. If not, see .
* Split Keyboard specific options, make sure you have 'SPLIT_KEYBOARD = yes' in your rules.mk, and define SOFT_SERIAL_PIN.
*/
#define SOFT_SERIAL_PIN D2 // or D1, D2, D3, E6
-#define USE_SERIAL
//#define BACKLIGHT_PIN B7
//#define BACKLIGHT_LEVELS 3
diff --git a/keyboards/sofle/rev1/config.h b/keyboards/sofle/rev1/config.h
index 26d35982df2..f66588b43c0 100644
--- a/keyboards/sofle/rev1/config.h
+++ b/keyboards/sofle/rev1/config.h
@@ -23,6 +23,5 @@
#define TAP_CODE_DELAY 10
/* communication between sides */
-#define USE_SERIAL
#define SERIAL_USE_MULTI_TRANSACTION
#define SOFT_SERIAL_PIN D2
diff --git a/keyboards/spacetime/config.h b/keyboards/spacetime/config.h
index b331c8bcabe..14e305f2ab6 100644
--- a/keyboards/spacetime/config.h
+++ b/keyboards/spacetime/config.h
@@ -43,7 +43,6 @@ along with this program. If not, see .
* Split Keyboard specific options, make sure you have 'SPLIT_KEYBOARD = yes' in your rules.mk, and define SOFT_SERIAL_PIN.
*/
#define SOFT_SERIAL_PIN D0 // or D1, D2, D3, E6
-#define USE_SERIAL
// #define BACKLIGHT_PIN B7
// #define BACKLIGHT_BREATHING
diff --git a/keyboards/unikeyboard/diverge3/keymaps/workman/readme.md b/keyboards/unikeyboard/diverge3/keymaps/workman/readme.md
index 48ba482fe6d..07a5fd9ed61 100644
--- a/keyboards/unikeyboard/diverge3/keymaps/workman/readme.md
+++ b/keyboards/unikeyboard/diverge3/keymaps/workman/readme.md
@@ -16,6 +16,6 @@ Reverts the number row to the normal 1, 2, 3, etc... for better gaming compatibi
## Layer 3 - Raise Layer
-Volume and backlight controls (although backlight is not fully functional using `USE_SERIAL` in `../config.h`).
+Volume and backlight controls.
diff --git a/keyboards/z34/config.h b/keyboards/z34/config.h
index f63b2771fcc..13e11888911 100644
--- a/keyboards/z34/config.h
+++ b/keyboards/z34/config.h
@@ -47,8 +47,6 @@ along with this program. If not, see .
/* Locking resynchronize hack */
#define LOCKING_RESYNC_ENABLE
-/* Serial settings */
-#define USE_SERIAL
/* serial.c configuration for split keyboard */
#define SOFT_SERIAL_PIN D2
diff --git a/layouts/community/ortho_4x12/buswerks/config.h b/layouts/community/ortho_4x12/buswerks/config.h
index 8d6e26287e0..f96d099db5b 100644
--- a/layouts/community/ortho_4x12/buswerks/config.h
+++ b/layouts/community/ortho_4x12/buswerks/config.h
@@ -1,24 +1,19 @@
#pragma once
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
#define MASTER_LEFT
// #define _MASTER_RIGHT
// #define EE_HANDS
-#ifdef AUDIO_ENABLE
- #define STARTUP_SONG SONG(PLANCK_SOUND)
- // #define STARTUP_SONG SONG(NO_SOUND)
+#ifdef AUDIO_ENABLE
+ #define STARTUP_SONG SONG(PLANCK_SOUND)
+ // #define STARTUP_SONG SONG(NO_SOUND)
#define DEFAULT_LAYER_SONGS { SONG(QWERTY_SOUND), \
SONG(COLEMAK_SOUND), \
SONG(DVORAK_SOUND) \
- }
-#endif
+ }
+#endif
// MIDI notes can be sent when in Music mode
#define MIDI_BASIC
diff --git a/layouts/community/ortho_4x12/colemak_mod_dh_wide/config.h b/layouts/community/ortho_4x12/colemak_mod_dh_wide/config.h
index 33e93420395..2f0c23b7f16 100644
--- a/layouts/community/ortho_4x12/colemak_mod_dh_wide/config.h
+++ b/layouts/community/ortho_4x12/colemak_mod_dh_wide/config.h
@@ -20,11 +20,6 @@ along with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
#define MASTER_LEFT
diff --git a/layouts/community/ortho_4x12/crs/config.h b/layouts/community/ortho_4x12/crs/config.h
index 33e93420395..9ba64c921b5 100644
--- a/layouts/community/ortho_4x12/crs/config.h
+++ b/layouts/community/ortho_4x12/crs/config.h
@@ -20,10 +20,6 @@ along with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
/* Select hand configuration */
diff --git a/layouts/community/ortho_4x12/drashna/config.h b/layouts/community/ortho_4x12/drashna/config.h
index 0b10a64eaa8..1c88d66f3b4 100644
--- a/layouts/community/ortho_4x12/drashna/config.h
+++ b/layouts/community/ortho_4x12/drashna/config.h
@@ -46,7 +46,6 @@
#endif
#if defined(KEYBOARD_lets_split_rev2)
-# define USE_SERIAL
# undef USE_I2C
# define EE_HANDS
#endif
diff --git a/layouts/community/ortho_4x12/ergodoxish/config.h b/layouts/community/ortho_4x12/ergodoxish/config.h
index 33e93420395..2f0c23b7f16 100644
--- a/layouts/community/ortho_4x12/ergodoxish/config.h
+++ b/layouts/community/ortho_4x12/ergodoxish/config.h
@@ -20,11 +20,6 @@ along with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
#define MASTER_LEFT
diff --git a/layouts/community/ortho_4x12/grahampheath/config.h b/layouts/community/ortho_4x12/grahampheath/config.h
index 8bc3d7762df..342c55cdeaa 100644
--- a/layouts/community/ortho_4x12/grahampheath/config.h
+++ b/layouts/community/ortho_4x12/grahampheath/config.h
@@ -23,11 +23,6 @@ along with this program. If not, see .
#include "keyboards/lets_split/config.h"
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
#define MASTER_LEFT
diff --git a/layouts/community/ortho_4x12/symbolic/config.h b/layouts/community/ortho_4x12/symbolic/config.h
index 3f88b4cc17d..db74d0fdfab 100644
--- a/layouts/community/ortho_4x12/symbolic/config.h
+++ b/layouts/community/ortho_4x12/symbolic/config.h
@@ -20,13 +20,6 @@ along with this program. If not, see .
#pragma once
-
-
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
/* Select hand configuration */
//#define MASTER_LEFT
diff --git a/layouts/community/ortho_4x12/wanleg/config.h b/layouts/community/ortho_4x12/wanleg/config.h
index bcf2756f6bb..7ec47302bca 100644
--- a/layouts/community/ortho_4x12/wanleg/config.h
+++ b/layouts/community/ortho_4x12/wanleg/config.h
@@ -15,7 +15,6 @@
#define QMK_LED B0
#define QMK_ESC_OUTPUT F6 // usually COL
#define QMK_ESC_INPUT D7 // usually ROW
-#define USE_SERIAL
#undef USE_I2C
#define EE_HANDS
#endif
@@ -36,7 +35,7 @@
// use alternate settings for 4x4 board using ProMicro instead of Micro
// usage: make 4x4:wanleg PM=yes
-#if defined(KEYBOARD_40percentclub_4x4) && defined(PRO_MICRO)
+#if defined(KEYBOARD_40percentclub_4x4) && defined(PRO_MICRO)
#define QMK_ESC_OUTPUT F4 // usually COL
#define QMK_ESC_INPUT D1 // usually ROW
#define QMK_LED B0
diff --git a/layouts/community/ortho_4x12/xyverz/config.h b/layouts/community/ortho_4x12/xyverz/config.h
index 287f4cc2b73..6486e0831cf 100644
--- a/layouts/community/ortho_4x12/xyverz/config.h
+++ b/layouts/community/ortho_4x12/xyverz/config.h
@@ -3,8 +3,6 @@
#define MIDI_BASIC
-#define USE_SERIAL
-
#define EE_HANDS
#undef RGBLED_NUM
diff --git a/layouts/community/ortho_5x12/333fred/config.h b/layouts/community/ortho_5x12/333fred/config.h
index bdbeead5475..4327d154c2f 100644
--- a/layouts/community/ortho_5x12/333fred/config.h
+++ b/layouts/community/ortho_5x12/333fred/config.h
@@ -22,7 +22,6 @@
#pragma once
-#define USE_SERIAL
#define MASTER_LEFT
#undef TAPPING_TERM
diff --git a/layouts/community/ortho_5x12/xyverz/config.h b/layouts/community/ortho_5x12/xyverz/config.h
index 5f9f6e5c11c..46175c2eb1b 100644
--- a/layouts/community/ortho_5x12/xyverz/config.h
+++ b/layouts/community/ortho_5x12/xyverz/config.h
@@ -23,7 +23,6 @@
#endif
// for the split boards //
-#define USE_SERIAL
#define EE_HANDS
#endif
diff --git a/users/gary/gary.h b/users/gary/gary.h
index 10f23315910..ce920cf7767 100644
--- a/users/gary/gary.h
+++ b/users/gary/gary.h
@@ -1,7 +1,6 @@
#include QMK_KEYBOARD_H
#pragma once
-#define USE_SERIAL
#define MASTER_LEFT
// Layers