diff --git a/synapse/handlers/sync.py b/synapse/handlers/sync.py
index 84b0599174..328c049b03 100644
--- a/synapse/handlers/sync.py
+++ b/synapse/handlers/sync.py
@@ -17,7 +17,6 @@ from ._base import BaseHandler
 
 from synapse.streams.config import PaginationConfig
 from synapse.api.constants import Membership, EventTypes
-from synapse.api.filtering import DEFAULT_FILTER_COLLECTION
 from synapse.util import unwrapFirstError
 
 from twisted.internet import defer