diff --git a/keyboards/gmmk/pro/rev1/ansi/keymaps/via/keymap.c b/keyboards/gmmk/pro/rev1/ansi/keymaps/via/keymap.c
index 1f59b529..be559b08 100644
--- a/keyboards/gmmk/pro/rev1/ansi/keymaps/via/keymap.c
+++ b/keyboards/gmmk/pro/rev1/ansi/keymaps/via/keymap.c
@@ -76,14 +76,3 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
 
 };
 // clang-format on
-
-#ifdef ENCODER_ENABLE
-bool encoder_update_user(uint8_t index, bool clockwise) {
-    if (clockwise) {
-      tap_code(KC_VOLU);
-    } else {
-      tap_code(KC_VOLD);
-    }
-    return false;
-}
-#endif // ENCODER_ENABLE
diff --git a/keyboards/gmmk/pro/rev1/iso/keymaps/via/keymap.c b/keyboards/gmmk/pro/rev1/iso/keymaps/via/keymap.c
index 7d0693c1..612eead8 100644
--- a/keyboards/gmmk/pro/rev1/iso/keymaps/via/keymap.c
+++ b/keyboards/gmmk/pro/rev1/iso/keymaps/via/keymap.c
@@ -78,14 +78,3 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
 
 };
 // clang-format on
-
-#ifdef ENCODER_ENABLE
-bool encoder_update_user(uint8_t index, bool clockwise) {
-    if (clockwise) {
-        tap_code(KC_VOLU);
-    } else {
-        tap_code(KC_VOLD);
-    }
-    return false;
-}
-#endif // ENCODER_ENABLE