6 files changed, 3 insertions, 9 deletions
diff --git a/synapse/app/admin_cmd.py b/synapse/app/admin_cmd.py
index 42238f7f28..8b6e508ca3 100644
--- a/synapse/app/admin_cmd.py
+++ b/synapse/app/admin_cmd.py
@@ -61,7 +61,6 @@ class AdminCmdSlavedStore(
     SlavedPushRuleStore,
     SlavedEventStore,
     SlavedClientIpStore,
-    BaseSlavedStore,
     RoomWorkerStore,
 ):
     pass
diff --git a/synapse/app/generic_worker.py b/synapse/app/generic_worker.py
index 54cd2cbc13..2549a145b6 100644
--- a/synapse/app/generic_worker.py
+++ b/synapse/app/generic_worker.py
@@ -47,14 +47,12 @@ from synapse.http.site import SynapseRequest, SynapseSite
 from synapse.logging.context import LoggingContext
 from synapse.metrics import METRICS_PREFIX, MetricsResource, RegistryProxy
 from synapse.replication.http import REPLICATION_PREFIX, ReplicationRestResource
-from synapse.replication.slave.storage._base import BaseSlavedStore
 from synapse.replication.slave.storage.account_data import SlavedAccountDataStore
 from synapse.replication.slave.storage.appservice import SlavedApplicationServiceStore
 from synapse.replication.slave.storage.client_ips import SlavedClientIpStore
 from synapse.replication.slave.storage.deviceinbox import SlavedDeviceInboxStore
 from synapse.replication.slave.storage.devices import SlavedDeviceStore
 from synapse.replication.slave.storage.directory import DirectoryStore
-from synapse.replication.slave.storage.events import SlavedEventStore
 from synapse.replication.slave.storage.filtering import SlavedFilteringStore
 from synapse.replication.slave.storage.groups import SlavedGroupServerStore
 from synapse.replication.slave.storage.keys import SlavedKeyStore
@@ -114,7 +112,6 @@ from synapse.storage.databases.main.presence import PresenceStore
 from synapse.storage.databases.main.room import RoomWorkerStore
 from synapse.storage.databases.main.search import SearchStore
 from synapse.storage.databases.main.session import SessionStore
-from synapse.storage.databases.main.stats import StatsStore
 from synapse.storage.databases.main.transactions import TransactionWorkerStore
 from synapse.storage.databases.main.ui_auth import UIAuthWorkerStore
 from synapse.storage.databases.main.user_directory import UserDirectoryStore
@@ -235,7 +232,6 @@ class GenericWorkerSlavedStore(
     SlavedPusherStore,
     CensorEventsStore,
     ClientIpWorkerStore,
-    SlavedEventStore,
     SlavedKeyStore,
     RoomWorkerStore,
     DirectoryStore,
@@ -251,7 +247,6 @@ class GenericWorkerSlavedStore(
     TransactionWorkerStore,
     LockStore,
     SessionStore,
-    BaseSlavedStore,
 ):
     # Properties that multiple storage classes define. Tell mypy what the
     # expected type is.
diff --git a/synapse/replication/slave/storage/events.py b/synapse/replication/slave/storage/events.py
index 4fe829aa5b..032e921a1e 100644
--- a/synapse/replication/slave/storage/events.py
+++ b/synapse/replication/slave/storage/events.py
@@ -47,7 +47,6 @@ logger = logging.getLogger(__name__)
 
 
 class SlavedEventStore(
-    RoomMemberWorkerStore,
     StateGroupWorkerStore,
     UserErasureWorkerStore,
     BaseSlavedStore,
diff --git a/synapse/replication/slave/storage/push_rule.py b/synapse/replication/slave/storage/push_rule.py
index 4d5f862862..061511d78b 100644
--- a/synapse/replication/slave/storage/push_rule.py
+++ b/synapse/replication/slave/storage/push_rule.py
@@ -20,7 +20,7 @@ from synapse.storage.databases.main.push_rule import PushRulesWorkerStore
 from .events import SlavedEventStore
 
 
-class SlavedPushRuleStore(SlavedEventStore, PushRulesWorkerStore):
+class SlavedPushRuleStore(PushRulesWorkerStore, SlavedEventStore):
     def get_max_push_rules_stream_id(self):
         return self._push_rules_stream_id_gen.get_current_token()
 
diff --git a/synapse/storage/databases/main/cache.py b/synapse/storage/databases/main/cache.py
index cbd224d4c2..b067050fb8 100644
--- a/synapse/storage/databases/main/cache.py
+++ b/synapse/storage/databases/main/cache.py
@@ -34,6 +34,7 @@ from synapse.storage.databases.main.event_push_actions import (
     EventPushActionsWorkerStore,
 )
 from synapse.storage.databases.main.relations import RelationsWorkerStore
+from synapse.storage.databases.main.roommember import RoomMemberWorkerStore
 from synapse.storage.databases.main.stats import StatsStore
 from synapse.storage.databases.main.stream import StreamWorkerStore
 from synapse.storage.engines import PostgresEngine
@@ -61,6 +62,7 @@ class CacheInvalidationWorkerStore(
     EventPushActionsWorkerStore,
     StreamWorkerStore,
     StatsStore,
+    RoomMemberWorkerStore,
 ):
     # This class must be mixed in with a child class which provides the following
     # attribute. TODO: can we get static analysis to enforce this?
diff --git a/synapse/storage/databases/main/push_rule.py b/synapse/storage/databases/main/push_rule.py
index fa782023d4..2e1102cbca 100644
--- a/synapse/storage/databases/main/push_rule.py
+++ b/synapse/storage/databases/main/push_rule.py
@@ -71,7 +71,6 @@ class PushRulesWorkerStore(
     PusherWorkerStore,
     RoomMemberWorkerStore,
     EventsWorkerStore,
-    SQLBaseStore,
     metaclass=abc.ABCMeta,
 ):
     """This is an abstract base class where subclasses must implement