diff --git a/synapse/storage/event_push_actions.py b/synapse/storage/event_push_actions.py
index efa1db3b9..9cd923eb9 100644
--- a/synapse/storage/event_push_actions.py
+++ b/synapse/storage/event_push_actions.py
@@ -37,7 +37,6 @@ class EventPushActionsStore(SQLBaseStore):
             index_name="event_push_actions_u_highlight",
             table="event_push_actions",
             columns=["user_id", "stream_ordering"],
-            where_clause="highlight = 1",
         )
 
     def _set_push_actions_for_event_and_users_txn(self, txn, event, tuples):