diff --git a/api/admin/controller/custom_lists.py b/api/admin/controller/custom_lists.py
index c2fc8d4f7..9a0bc3ed3 100644
--- a/api/admin/controller/custom_lists.py
+++ b/api/admin/controller/custom_lists.py
@@ -290,7 +290,7 @@ def _create_or_update_list(
 
             # If this list was used to populate any lanes, those lanes need to have their counts updated.
             for lane in Lane.affected_by_customlist(list):
-                lane.update_size(self._db, self.search_engine)
+                lane.update_size(self._db, search_engine=self.search_engine)
 
         new_collections = []
         for collection_id in collections:
@@ -399,7 +399,7 @@ def custom_list(self, list_id: int) -> Response | dict | ProblemDetail | None:
             # Update the size for any lanes affected by this
             # CustomList which _weren't_ deleted.
             for lane in surviving_lanes:
-                lane.update_size(self._db, self.search_engine)
+                lane.update_size(self._db, search_engine=self.search_engine)
             return Response(str(_("Deleted")), 200)
 
         return None
diff --git a/api/admin/controller/lanes.py b/api/admin/controller/lanes.py
index ac80b125b..7e5e6bcb0 100644
--- a/api/admin/controller/lanes.py
+++ b/api/admin/controller/lanes.py
@@ -160,7 +160,7 @@ def lanes_for_parent(parent):
             for list in lane.customlists:
                 if list.id not in custom_list_ids:
                     lane.customlists.remove(list)
-            lane.update_size(self._db, self.search_engine)
+            lane.update_size(self._db, search_engine=self.search_engine)
 
             if is_new:
                 return Response(str(lane.id), 201)
diff --git a/core/lane.py b/core/lane.py
index 0e7a42cd3..6af0a00d4 100644
--- a/core/lane.py
+++ b/core/lane.py
@@ -2953,10 +2953,7 @@ def uses_customlists(self):
             return True
         return False
 
-    @inject
-    def update_size(
-        self, _db, search_engine: ExternalSearchIndex = Provide["search.index"]
-    ):
+    def update_size(self, _db, search_engine: ExternalSearchIndex):
         """Update the stored estimate of the number of Works in this Lane."""
         library = self.get_library(_db)