diff --git a/tests/http/test_fedclient.py b/tests/http/test_fedclient.py
index 7719f865cb..148e55b7a5 100644
--- a/tests/http/test_fedclient.py
+++ b/tests/http/test_fedclient.py
@@ -99,9 +99,6 @@ class FederationClientTests(HomeserverTestCase):
         # Deferred is still without a result
         self.assertNoResult(test_d)
 
-        # Ensure deferred resolves
-        yield test_d
-
         # Send it the HTTP response
         res_json = '{ "a": 1 }'.encode('ascii')
         protocol.dataReceived(