1 files changed, 2 insertions, 17 deletions
diff --git a/synapse/handlers/room_member.py b/synapse/handlers/room_member.py
index 1017ae6b19..ed1d1bd83d 100644
--- a/synapse/handlers/room_member.py
+++ b/synapse/handlers/room_member.py
@@ -38,15 +38,7 @@ from synapse.events.builder import create_local_event_from_event_dict
 from synapse.events.snapshot import EventContext
 from synapse.events.validator import EventValidator
 from synapse.storage.roommember import RoomsForUser
-from synapse.types import (
-    Collection,
-    JsonDict,
-    Requester,
-    RoomAlias,
-    RoomID,
-    StateMap,
-    UserID,
-)
+from synapse.types import JsonDict, Requester, RoomAlias, RoomID, StateMap, UserID
 from synapse.util.async_helpers import Linearizer
 from synapse.util.distributor import user_joined_room, user_left_room
 
@@ -91,13 +83,6 @@ class RoomMemberHandler(object):
         self._enable_lookup = hs.config.enable_3pid_lookup
         self.allow_per_room_profiles = self.config.allow_per_room_profiles
 
-        self._event_stream_writer_instance = hs.config.worker.writers.events
-        self._is_on_event_persistence_instance = (
-            self._event_stream_writer_instance == hs.get_instance_name()
-        )
-        if self._is_on_event_persistence_instance:
-            self.persist_event_storage = hs.get_storage().persistence
-
         self._join_rate_limiter_local = Ratelimiter(
             clock=self.clock,
             rate_hz=hs.config.ratelimiting.rc_joins_local.per_second,
@@ -185,7 +170,7 @@ class RoomMemberHandler(object):
         target: UserID,
         room_id: str,
         membership: str,
-        prev_event_ids: Collection[str],
+        prev_event_ids: List[str],
         txn_id: Optional[str] = None,
         ratelimit: bool = True,
         content: Optional[dict] = None,