diff --git a/Fill.py b/Fill.py
index d8147b2eac80..4967ff073601 100644
--- a/Fill.py
+++ b/Fill.py
@@ -483,15 +483,15 @@ def mark_for_locking(location: Location):
         if panic_method == "swap":
             fill_restrictive(multiworld, multiworld.state, defaultlocations, progitempool,
                              swap=True,
-                             on_place=mark_for_locking, name="Progression", single_player_placement=multiworld.players == 1)
+                             name="Progression", single_player_placement=multiworld.players == 1)
         elif panic_method == "raise":
             fill_restrictive(multiworld, multiworld.state, defaultlocations, progitempool,
                              swap=False,
-                             on_place=mark_for_locking, name="Progression", single_player_placement=multiworld.players == 1)
+                             name="Progression", single_player_placement=multiworld.players == 1)
         elif panic_method == "start_inventory":
             fill_restrictive(multiworld, multiworld.state, defaultlocations, progitempool,
                              swap=False, allow_partial=True,
-                             on_place=mark_for_locking, name="Progression", single_player_placement=multiworld.players == 1)
+                             name="Progression", single_player_placement=multiworld.players == 1)
             if progitempool:
                 for item in progitempool:
                     logging.debug(f"Moved {item} to start_inventory to prevent fill failure.")