diff --git a/src/Protocol.c b/src/Protocol.c
index fbac6459f..2b835d999 100644
--- a/src/Protocol.c
+++ b/src/Protocol.c
@@ -1966,6 +1966,8 @@ static void OnReset(void) {
 }
 #else
 void CPE_SendPlayerClick(int button, cc_bool pressed, cc_uint8 targetId, struct RayTracer* t) { }
+void CPE_SendNotifyAction(int action, cc_uint16 value) { }
+void CPE_SendNotifyPositionAction(int action, int x, int y, int z) { }
 
 static void OnInit(void) { }