diff --git a/keyboards/crkbd/config.h b/keyboards/crkbd/config.h
index 64fee7545723..4357a218d4ac 100644
--- a/keyboards/crkbd/config.h
+++ b/keyboards/crkbd/config.h
@@ -21,6 +21,9 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include "config_common.h"
 #include <serial_config.h>
 
+#define USE_I2C
+#define USE_SERIAL
+
 #ifdef USE_Link_Time_Optimization
   // LTO has issues with macros (action_get_macro) and "functions" (fn_actions),
   //  so just disable them
diff --git a/keyboards/crkbd/keymaps/default/config.h b/keyboards/crkbd/keymaps/default/config.h
index c573530f7482..644e8136509b 100644
--- a/keyboards/crkbd/keymaps/default/config.h
+++ b/keyboards/crkbd/keymaps/default/config.h
@@ -20,10 +20,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 #pragma once
 
-/* Use I2C or Serial */
-
-#define USE_I2C
-#define USE_SERIAL
 //#define USE_MATRIX_I2C
 
 /* Select hand configuration */
diff --git a/keyboards/crkbd/keymaps/like_jis/config.h b/keyboards/crkbd/keymaps/like_jis/config.h
index 4c31cc7794aa..0e2960a937d5 100644
--- a/keyboards/crkbd/keymaps/like_jis/config.h
+++ b/keyboards/crkbd/keymaps/like_jis/config.h
@@ -20,10 +20,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 #pragma once
 
-/* Use I2C or Serial */
-
-#define USE_I2C
-#define USE_SERIAL
 //#define USE_MATRIX_I2C
 
 /* Select hand configuration */