diff --git a/src/calibre/srv/tests/loop.py b/src/calibre/srv/tests/loop.py
index f7c9667512..28cec0d9c1 100644
--- a/src/calibre/srv/tests/loop.py
+++ b/src/calibre/srv/tests/loop.py
@@ -15,7 +15,7 @@ except ImportError:
     create_server_cert = None
 
 
-from calibre.srv.pre_activated import pre_activated_socket, has_preactivated_support
+from calibre.srv.pre_activated import has_preactivated_support
 from calibre.srv.tests.base import BaseTest, TestServer
 from calibre.ptempfile import TemporaryDirectory