diff --git a/keyboards/czmao/ds17r2/keymaps/default/keymap.c b/keyboards/czmao/ds17r2/keymaps/default/keymap.c
index b67be2b7b17..1b9bf950d55 100644
--- a/keyboards/czmao/ds17r2/keymaps/default/keymap.c
+++ b/keyboards/czmao/ds17r2/keymaps/default/keymap.c
@@ -1,33 +1,7 @@
-/*
-Copyright 2012,2013 Jun Wako <wakojun@gmail.com>
-
-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 <http://www.gnu.org/licenses/>.
-*/
+// Copyright 2024 QMK
+// SPDX-License-Identifier: GPL-2.0-or-later
 #include QMK_KEYBOARD_H
 
-
-// Each layer gets a name for readability, which is then used in the keymap matrix below.
-// The underscores don't mean anything - you can have a layer called STUFF or any other name.
-// Layer names don't all need to be of the same length, obviously, and you can also skip them
-// entirely and just use numbers.
-
-// enum custom_keycodes {
-//   QWERTY = SAFE_RANGE,
-//   LOWER,
-//   RAISE
-// };
-
 const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
     [0] = LAYOUT_numberpad_5x4(
 //1    2        3        4