diff --git a/Nasal/addons.nas b/Nasal/addons.nas
index fa6f32db6..920c33f4c 100644
--- a/Nasal/addons.nas
+++ b/Nasal/addons.nas
@@ -87,7 +87,5 @@ var init = func {
 
 var id = _setlistener("/sim/signals/fdm-initialized", func {
     removelistener(id);
-    _orig_setlistener = setlistener;
-    _orig_maketimer = maketimer;
     addons.init();
 })