diff --git a/tests/rest/admin/test_room.py b/tests/rest/admin/test_room.py
index 4d90b83b06..2885b06888 100644
--- a/tests/rest/admin/test_room.py
+++ b/tests/rest/admin/test_room.py
@@ -27,7 +27,6 @@ from unittest.mock import AsyncMock, Mock
 
 from parameterized import parameterized
 
-from twisted.internet.task import deferLater
 from twisted.internet.testing import MemoryReactor
 
 import synapse.rest.admin