diff --git a/synapse/replication/slave/storage/events.py b/synapse/replication/slave/storage/events.py
deleted file mode 100644
index fe47778cb1..0000000000
--- a/synapse/replication/slave/storage/events.py
+++ /dev/null
@@ -1,79 +0,0 @@
-# Copyright 2016 OpenMarket Ltd
-# Copyright 2018 New Vector Ltd
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-import logging
-from typing import TYPE_CHECKING
-
-from synapse.storage.database import DatabasePool, LoggingDatabaseConnection
-from synapse.storage.databases.main.event_federation import EventFederationWorkerStore
-from synapse.storage.databases.main.event_push_actions import (
- EventPushActionsWorkerStore,
-)
-from synapse.storage.databases.main.events_worker import EventsWorkerStore
-from synapse.storage.databases.main.relations import RelationsWorkerStore
-from synapse.storage.databases.main.roommember import RoomMemberWorkerStore
-from synapse.storage.databases.main.signatures import SignatureWorkerStore
-from synapse.storage.databases.main.state import StateGroupWorkerStore
-from synapse.storage.databases.main.stream import StreamWorkerStore
-from synapse.storage.databases.main.user_erasure_store import UserErasureWorkerStore
-from synapse.util.caches.stream_change_cache import StreamChangeCache
-
-if TYPE_CHECKING:
- from synapse.server import HomeServer
-
-logger = logging.getLogger(__name__)
-
-
-# So, um, we want to borrow a load of functions intended for reading from
-# a DataStore, but we don't want to take functions that either write to the
-# DataStore or are cached and don't have cache invalidation logic.
-#
-# Rather than write duplicate versions of those functions, or lift them to
-# a common base class, we going to grab the underlying __func__ object from
-# the method descriptor on the DataStore and chuck them into our class.
-
-
-class SlavedEventStore(
- EventFederationWorkerStore,
- RoomMemberWorkerStore,
- EventPushActionsWorkerStore,
- StreamWorkerStore,
- StateGroupWorkerStore,
- SignatureWorkerStore,
- EventsWorkerStore,
- UserErasureWorkerStore,
- RelationsWorkerStore,
-):
- def __init__(
- self,
- database: DatabasePool,
- db_conn: LoggingDatabaseConnection,
- hs: "HomeServer",
- ):
- super().__init__(database, db_conn, hs)
-
- events_max = self._stream_id_gen.get_current_token()
- curr_state_delta_prefill, min_curr_state_delta_id = self.db_pool.get_cache_dict(
- db_conn,
- "current_state_delta_stream",
- entity_column="room_id",
- stream_column="stream_id",
- max_value=events_max, # As we share the stream id with events token
- limit=1000,
- )
- self._curr_state_delta_stream_cache = StreamChangeCache(
- "_curr_state_delta_stream_cache",
- min_curr_state_delta_id,
- prefilled_cache=curr_state_delta_prefill,
- )
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