diff --git a/synapse/storage/room.py b/synapse/storage/room.py
index fb89ce01b..8251f5867 100644
--- a/synapse/storage/room.py
+++ b/synapse/storage/room.py
@@ -18,7 +18,6 @@ from twisted.internet import defer
 from synapse.api.errors import StoreError
 
 from ._base import SQLBaseStore
-from synapse.util.caches.descriptors import cachedInlineCallbacks
 from .engines import PostgresEngine, Sqlite3Engine
 
 import collections