--- cheroot-6.5.5/cheroot/test/test_ssl.py	2019-06-03 13:16:07.000000000 +0200
+++ b/cheroot/test/test_ssl.py	2019-06-03 13:55:56.147157113 +0200
@@ -206,7 +206,6 @@ def test_ssl_adapters(
 @pytest.mark.parametrize(
     'adapter_type',
     (
-        'builtin',
         'pyopenssl',
     ),
 )