diff --git a/frontends/src/quick_frontend/quick_widgets.py b/frontends/src/quick_frontend/quick_widgets.py
index cb9c74d0..aac9f09b 100644
--- a/frontends/src/quick_frontend/quick_widgets.py
+++ b/frontends/src/quick_frontend/quick_widgets.py
@@ -195,7 +195,6 @@ class QuickWidgetsManager(object):
                     raise ValueError("force_hash option can't be used with on_existing_widget=RECREATE")
 
                 # XXX: keep up-to-date if new special kwargs are added (i.e.: delete these keys here)
-                new_kwargs['on_new_widget'] = None
                 new_kwargs['on_existing_widget'] = C.WIDGET_RAISE
                 hash_idx = 1
                 while True: