diff --git a/synapse/storage/databases/main/event_federation.py b/synapse/storage/databases/main/event_federation.py
index 2914e9ec8c..9cd361b1e9 100644
--- a/synapse/storage/databases/main/event_federation.py
+++ b/synapse/storage/databases/main/event_federation.py
@@ -20,7 +20,6 @@ from typing import (
     Dict,
     Iterable,
     List,
-    NamedTuple,
     Optional,
     Set,
     Tuple,