diff --git a/synapse/config/repository.py b/synapse/config/repository.py
index 27860154e1..fc5a90c85a 100644
--- a/synapse/config/repository.py
+++ b/synapse/config/repository.py
@@ -22,7 +22,7 @@
 import logging
 import os
 from typing import Any, Dict, List, Tuple
-from urllib.request import getproxies_environment  # type: ignore
+from urllib.request import getproxies_environment
 
 import attr