diff --git a/app/boards/shields/boardsource3x4/Kconfig.defconfig b/app/boards/shields/boardsource3x4/Kconfig.defconfig
index c03703b0..4c55aab0 100644
--- a/app/boards/shields/boardsource3x4/Kconfig.defconfig
+++ b/app/boards/shields/boardsource3x4/Kconfig.defconfig
@@ -1,9 +1,5 @@
-/*
- * Copyright (c) 2020 The ZMK Contributors
- *
- * SPDX-License-Identifier: MIT
- */
-
+# Copyright (c) 2020 The ZMK Contributors
+# SPDX-License-Identifier: MIT
 
 if SHIELD_BOARDSOURCE3X4
 
diff --git a/app/boards/shields/boardsource3x4/Kconfig.shield b/app/boards/shields/boardsource3x4/Kconfig.shield
index 2e9e228c..cda55d07 100644
--- a/app/boards/shields/boardsource3x4/Kconfig.shield
+++ b/app/boards/shields/boardsource3x4/Kconfig.shield
@@ -1,8 +1,5 @@
-/*
- * Copyright (c) 2020 The ZMK Contributors
- *
- * SPDX-License-Identifier: MIT
- */
+# Copyright (c) 2020 The ZMK Contributors
+# SPDX-License-Identifier: MIT
 
 config SHIELD_BOARDSOURCE3X4
 	def_bool $(shields_list_contains,boardsource3x4)