2 files changed, 1 insertions, 3 deletions
diff --git a/synapse/storage/databases/main/event_federation.py b/synapse/storage/databases/main/event_federation.py
index 98556a0523..b5d00348a6 100644
--- a/synapse/storage/databases/main/event_federation.py
+++ b/synapse/storage/databases/main/event_federation.py
@@ -47,7 +47,7 @@ from synapse.storage.database import (
 )
 from synapse.storage.databases.main.events_worker import EventsWorkerStore
 from synapse.storage.databases.main.signatures import SignatureWorkerStore
-from synapse.storage.engines import PostgresEngine, Psycopg2Engine, Sqlite3Engine
+from synapse.storage.engines import PostgresEngine, Sqlite3Engine
 from synapse.types import JsonDict, StrCollection
 from synapse.util import json_encoder
 from synapse.util.caches.descriptors import cached
diff --git a/synapse/storage/databases/main/relations.py b/synapse/storage/databases/main/relations.py
index d0bc78b2e3..cf3ea28a3a 100644
--- a/synapse/storage/databases/main/relations.py
+++ b/synapse/storage/databases/main/relations.py
@@ -47,8 +47,6 @@ from synapse.storage.databases.main.stream import (
     generate_pagination_where_clause,
 )
 from synapse.storage.engines import PostgresEngine, Psycopg2Engine
-from synapse.types import JsonDict, StreamKeyType, StreamToken
-from synapse.storage.engines import PostgresEngine
 from synapse.types import JsonDict, MultiWriterStreamToken, StreamKeyType, StreamToken
 from synapse.util.caches.descriptors import cached, cachedList