diff --git a/tests/common/test_server.py b/tests/common/test_server.py
index 6e074ae5..33790dc7 100644
--- a/tests/common/test_server.py
+++ b/tests/common/test_server.py
@@ -585,7 +585,6 @@ def test_handle_event_with_catchall_namespace(self, eio):
         star_foo_handler = mock.MagicMock()
         star_star_handler = mock.MagicMock()
         my_message_baz_handler = mock.MagicMock()
-        star_baz_handler = mock.MagicMock()
         s.on('connect', connect_star_handler, namespace='*')
         s.on('msg', msg_foo_handler, namespace='/foo')
         s.on('msg', msg_star_handler, namespace='*')