1 files changed, 0 insertions, 1 deletions

diff --git a/synapse/storage/databases/main/event_federation.py b/synapse/storage/databases/main/event_federation.py

index 309a4ba664..bbee02ab18 100644
--- a/synapse/storage/databases/main/event_federation.py
+++ b/synapse/storage/databases/main/event_federation.py
@@ -1686,7 +1686,6 @@ class EventFederationWorkerStore(SignatureWorkerStore, EventsWorkerStore, SQLBas
             },
             insertion_values={},
             desc="insert_insertion_extremity",
-            lock=False,
         )
 
     async def insert_received_event_to_staging(