1 files changed, 1 insertions, 19 deletions
diff --git a/src/zope/security/_compat.py b/src/zope/security/_compat.py
index 99f0d75..0d95d9f 100644
--- a/src/zope/security/_compat.py
+++ b/src/zope/security/_compat.py
@@ -15,32 +15,14 @@
 """
 import os
 import platform
-import sys
-import types
 
 
 py_impl = getattr(platform, 'python_implementation', lambda: None)
 PYPY = py_impl() == 'PyPy'
 PURE_PYTHON = os.environ.get('PURE_PYTHON', PYPY)
 
-if sys.version_info[0] < 3:  # pragma: no cover
 
-    CLASS_TYPES = (type, types.ClassType)
-    _BUILTINS = '__builtin__'
-
-    PYTHON3 = False
-    PYTHON2 = True
-
-else:  # pragma: no cover
-
-    CLASS_TYPES = (type,)
-    _BUILTINS = 'builtins'
-
-    PYTHON3 = True
-    PYTHON2 = False
-
-
-class implementer_if_needed(object):
+class implementer_if_needed:
     # Helper to make sure we don't redundantly implement interfaces
     # already inherited. Doing so tends to produce problems with the
     # C3 order. Even though here we could easily statically determine