diff --git a/tests/utils.py b/tests/utils.py
index 518254d633..8b1b3f2e56 100644
--- a/tests/utils.py
+++ b/tests/utils.py
@@ -282,7 +282,6 @@ def setup_test_homeserver(
 
     # Mock TLS
     hs.tls_server_context_factory = Mock()
-    hs.tls_client_options_factory = Mock()
 
     hs.setup()
     if homeserver_to_use == TestHomeServer: