diff --git a/platforms/avr/drivers/i2c_master.h b/platforms/avr/drivers/i2c_master.h
index b797997619e..258bb2b9bf2 100644
--- a/platforms/avr/drivers/i2c_master.h
+++ b/platforms/avr/drivers/i2c_master.h
@@ -21,13 +21,6 @@
 
 #include <stdint.h>
 
-// ### DEPRECATED - DO NOT USE ###
-#define i2c_writeReg(devaddr, regaddr, data, length, timeout) i2c_write_register(devaddr, regaddr, data, length, timeout)
-#define i2c_writeReg16(devaddr, regaddr, data, length, timeout) i2c_write_register16(devaddr, regaddr, data, length, timeout)
-#define i2c_readReg(devaddr, regaddr, data, length, timeout) i2c_read_register(devaddr, regaddr, data, length, timeout)
-#define i2c_readReg16(devaddr, regaddr, data, length, timeout) i2c_read_register16(devaddr, regaddr, data, length, timeout)
-// ###############################
-
 #define I2C_READ 0x01
 #define I2C_WRITE 0x00
 
diff --git a/platforms/chibios/drivers/i2c_master.h b/platforms/chibios/drivers/i2c_master.h
index 132ffd14c07..2215f89ad2b 100644
--- a/platforms/chibios/drivers/i2c_master.h
+++ b/platforms/chibios/drivers/i2c_master.h
@@ -26,13 +26,6 @@
 
 #include <stdint.h>
 
-// ### DEPRECATED - DO NOT USE ###
-#define i2c_writeReg(devaddr, regaddr, data, length, timeout) i2c_write_register(devaddr, regaddr, data, length, timeout)
-#define i2c_writeReg16(devaddr, regaddr, data, length, timeout) i2c_write_register16(devaddr, regaddr, data, length, timeout)
-#define i2c_readReg(devaddr, regaddr, data, length, timeout) i2c_read_register(devaddr, regaddr, data, length, timeout)
-#define i2c_readReg16(devaddr, regaddr, data, length, timeout) i2c_read_register16(devaddr, regaddr, data, length, timeout)
-// ###############################
-
 typedef int16_t i2c_status_t;
 
 #define I2C_STATUS_SUCCESS (0)