diff --git a/keyboards/projectcain/vault35/vault35.c b/keyboards/projectcain/vault35/vault35.c
index 14aac7fdf70..6485ac854d6 100644
--- a/keyboards/projectcain/vault35/vault35.c
+++ b/keyboards/projectcain/vault35/vault35.c
@@ -16,14 +16,16 @@
 
 #include "quantum.h"
 
+#ifdef ENCODER_ENABLE
 bool encoder_update_kb(uint8_t index, bool clockwise) {
     if (!encoder_update_user(index, clockwise)) { return false; }
     if (index == 0) { /* First encoder */
         if (clockwise) {
             tap_code(KC_PGDN);
         } else {
-            tap_code(KC_PGUP); 
+            tap_code(KC_PGUP);
         }
     }
     return true;
-}
\ No newline at end of file
+}
+#endif
diff --git a/keyboards/projectcain/vault45/vault45.c b/keyboards/projectcain/vault45/vault45.c
index 05908ba9d7d..673ca8586c9 100644
--- a/keyboards/projectcain/vault45/vault45.c
+++ b/keyboards/projectcain/vault45/vault45.c
@@ -16,20 +16,22 @@
 
 #include "quantum.h"
 
+#ifdef ENCODER_ENABLE
 bool encoder_update_kb(uint8_t index, bool clockwise) {
     if (!encoder_update_user(index, clockwise)) { return false; }
     if (index == 0) { /* First encoder */
         if (clockwise) {
             tap_code(KC_PGDN);
         } else {
-            tap_code(KC_PGUP); 
+            tap_code(KC_PGUP);
         }
     } else if (index == 1) { /* Second encoder */
         if (clockwise) {
-            tap_code(KC_DOWN); 
+            tap_code(KC_DOWN);
         } else {
             tap_code(KC_UP);
         }
     }
     return true;
 }
+#endif