diff --git a/cheroot/test/test_server.py b/cheroot/test/test_server.py
index 5e0a6832..6f480f40 100644
--- a/cheroot/test/test_server.py
+++ b/cheroot/test/test_server.py
@@ -12,8 +12,6 @@ import pytest
 import requests
 import requests_unixsocket
 
-from pypytools.gc.custom import DefaultGc
-
 from .._compat import bton, ntob
 from .._compat import IS_LINUX, IS_MACOS, IS_WINDOWS, SYS_PLATFORM
 from ..server import IS_UID_GID_RESOLVABLE, Gateway, HTTPServer
@@ -324,6 +322,7 @@ def test_peercreds_unix_sock_with_lookup(
         assert peercreds_text_resp.text == expected_textcreds
 
 
+@pytest.mark.skip("pypytools not packaged")
 @pytest.mark.skipif(
     IS_WINDOWS,
     reason='This regression test is for a Linux bug, '