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-rw-r--r--synapse/storage/controllers/persist_events.py12
1 files changed, 0 insertions, 12 deletions
diff --git a/synapse/storage/controllers/persist_events.py b/synapse/storage/controllers/persist_events.py
index d0e015bf19..84699a2ee1 100644
--- a/synapse/storage/controllers/persist_events.py
+++ b/synapse/storage/controllers/persist_events.py
@@ -617,17 +617,6 @@ class EventsPersistenceStorageController:
                         room_id, chunk
                     )
 
-            with Measure(self._clock, "calculate_chain_cover_index_for_events"):
-                # We now calculate chain ID/sequence numbers for any state events we're
-                # persisting. We ignore out of band memberships as we're not in the room
-                # and won't have their auth chain (we'll fix it up later if we join the
-                # room).
-                #
-                # See: docs/auth_chain_difference_algorithm.md
-                new_event_links = await self.persist_events_store.calculate_chain_cover_index_for_events(
-                    room_id, [e for e, _ in chunk]
-                )
-
             await self.persist_events_store._persist_events_and_state_updates(
                 room_id,
                 chunk,
@@ -635,7 +624,6 @@ class EventsPersistenceStorageController:
                 new_forward_extremities=new_forward_extremities,
                 use_negative_stream_ordering=backfilled,
                 inhibit_local_membership_updates=backfilled,
-                new_event_links=new_event_links,
             )
 
         return replaced_events