diff --git a/keyboards/lets_split/rev1/config.h b/keyboards/lets_split/rev1/config.h
index 5fb87cf5d7..bc6872807c 100644
--- a/keyboards/lets_split/rev1/config.h
+++ b/keyboards/lets_split/rev1/config.h
@@ -41,9 +41,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 #define CATERINA_BOOTLOADER
 
-/* COL2ROW or ROW2COL */
-#define DIODE_DIRECTION COL2ROW
-
 /* define if matrix has ghost */
 //#define MATRIX_HAS_GHOST
 
diff --git a/keyboards/lets_split/rev2/config.h b/keyboards/lets_split/rev2/config.h
index b34d7c0047..ca268cd6c6 100644
--- a/keyboards/lets_split/rev2/config.h
+++ b/keyboards/lets_split/rev2/config.h
@@ -40,9 +40,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 #define CATERINA_BOOTLOADER
 
-/* COL2ROW or ROW2COL */
-#define DIODE_DIRECTION COL2ROW
-
 /* define if matrix has ghost */
 //#define MATRIX_HAS_GHOST
 
@@ -88,4 +85,4 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 //#define NO_ACTION_FUNCTION
 
 
-#endif
\ No newline at end of file
+#endif