diff --git a/tmk_core/common/action.c b/tmk_core/common/action.c
index 76c150b404..ae08647496 100644
--- a/tmk_core/common/action.c
+++ b/tmk_core/common/action.c
@@ -773,9 +773,12 @@ void register_code(uint8_t code)
     else if IS_CONSUMER(code) {
         host_consumer_send(KEYCODE2CONSUMER(code));
     }
-    else if IS_MOUSEKEY(code) {
-      mousekey_on(code);
-    }
+
+    #ifdef MOUSEKEY_ENABLE
+      else if IS_MOUSEKEY(code) {
+        mousekey_on(code);
+      }
+    #endif
 }
 
 /** \brief Utilities for actions. (FIXME: Needs better description)
@@ -835,9 +838,11 @@ void unregister_code(uint8_t code)
     else if IS_CONSUMER(code) {
         host_consumer_send(0);
     }
-    else if IS_MOUSEKEY(code) {
-      mousekey_off(code);
-    }
+    #ifdef MOUSEKEY_ENABLE
+      else if IS_MOUSEKEY(code) {
+        mousekey_off(code);
+      }
+    #endif
 }
 
 /** \brief Utilities for actions. (FIXME: Needs better description)