diff --git a/synapse/event_auth.py b/synapse/event_auth.py
index e9de96e593..f26a6e7c6c 100644
--- a/synapse/event_auth.py
+++ b/synapse/event_auth.py
@@ -175,23 +175,13 @@ async def check_state_independent_auth_rules(
         return
 
     # 2. Reject if event has auth_events that: ...
+    auth_events = await store.get_events(
+        event.auth_event_ids(),
+        redact_behaviour=EventRedactBehaviour.as_is,
+        allow_rejected=True,
+    )
     if batched_auth_events:
-        auth_events = batched_auth_events
-        needed_auth_event_ids = set(event.auth_event_ids()) - set(batched_auth_events)
-        if needed_auth_event_ids:
-            auth_events.update(
-                await store.get_events(
-                    needed_auth_event_ids,
-                    redact_behaviour=EventRedactBehaviour.as_is,
-                    allow_rejected=True,
-                )
-            )
-    else:
-        auth_events = await store.get_events(
-            event.auth_event_ids(),
-            redact_behaviour=EventRedactBehaviour.as_is,
-            allow_rejected=True
-        )
+        auth_events.update(batched_auth_events)
 
     room_id = event.room_id
     auth_dict: MutableStateMap[str] = {}