diff --git a/synapse/replication/slave/storage/events.py b/synapse/replication/slave/storage/events.py
index 622b2d854..518c9ea2e 100644
--- a/synapse/replication/slave/storage/events.py
+++ b/synapse/replication/slave/storage/events.py
@@ -109,6 +109,10 @@ class SlavedEventStore(BaseSlavedStore):
     get_recent_event_ids_for_room = (
         StreamStore.__dict__["get_recent_event_ids_for_room"]
     )
+    get_current_state_ids = (
+        StateStore.__dict__["get_current_state_ids"]
+    )
+    has_room_changed_since = DataStore.has_room_changed_since.__func__
 
     get_unread_push_actions_for_user_in_range_for_http = (
         DataStore.get_unread_push_actions_for_user_in_range_for_http.__func__