diff --git a/synapse/handlers/e2e_keys.py b/synapse/handlers/e2e_keys.py
index 7dccc9c51d..b63a660c06 100644
--- a/synapse/handlers/e2e_keys.py
+++ b/synapse/handlers/e2e_keys.py
@@ -16,7 +16,6 @@
 import ujson as json
 import logging
 
-import twisted.internet.error
 from canonicaljson import encode_canonical_json
 from twisted.internet import defer