index 8ff3b02ced..b4030da6fd 100644
--- a/cheroot/test/_pytest_plugin.py
+++ b/cheroot/test/_pytest_plugin.py
@@ -8,7 +8,6 @@
 __metaclass__ = type
 
 import pytest
-import six
 
 
 pytest_version = tuple(map(int, pytest.__version__.split('.')))
@@ -46,9 +45,6 @@ def pytest_load_initial_conftests(early_config, parser, args):
         'pytest.PytestUnraisableExceptionWarning:_pytest.unraisableexception',
     ))
 
-    if six.PY2:
-        return
-
     # NOTE: `ResourceWarning` does not exist under Python 2 and so using
     # NOTE: it in warning filters results in an `_OptionError` exception
     # NOTE: being raised.