diff --git a/python/google/protobuf/internal/enum_type_wrapper.py b/python/google/protobuf/internal/enum_type_wrapper.py
index da7d559a351cb..cc65fc0bc865d 100644
--- a/python/google/protobuf/internal/enum_type_wrapper.py
+++ b/python/google/protobuf/internal/enum_type_wrapper.py
@@ -99,7 +99,3 @@ def __getattr__(self, name):
       pass  # fall out to break exception chaining
     raise AttributeError('Enum {} has no value defined for name {!r}'.format(
         self._enum_type.name, name))
-
-  def __or__(self, other):
-    """Returns the union type of self and other."""
-    return type(self) | other
diff --git a/python/google/protobuf/internal/enum_type_wrapper_test.py b/python/google/protobuf/internal/enum_type_wrapper_test.py
deleted file mode 100644
index 623408aabd983..0000000000000
--- a/python/google/protobuf/internal/enum_type_wrapper_test.py
+++ /dev/null
@@ -1,39 +0,0 @@
-# Protocol Buffers - Google's data interchange format
-# Copyright 2008 Google Inc.  All rights reserved.
-#
-# Use of this source code is governed by a BSD-style
-# license that can be found in the LICENSE file or at
-# https://developers.google.com/open-source/licenses/bsd
-"""Tests for EnumTypeWrapper."""
-
-__author__ = "kmonte@google.com (Kyle Montemayor)"
-
-import types
-import unittest
-
-from google.protobuf.internal import enum_type_wrapper
-
-from google.protobuf import unittest_pb2
-
-
-class EnumTypeWrapperTest(unittest.TestCase):
-
-  def test_type_union(self):
-    enum_type = enum_type_wrapper.EnumTypeWrapper(
-        unittest_pb2.TestAllTypes.NestedEnum.DESCRIPTOR
-    )
-    union_type = enum_type | int
-    self.assertIsInstance(union_type, types.UnionType)
-
-    def get_union() -> union_type:
-      return enum_type
-
-    union = get_union()
-    self.assertIsInstance(union, enum_type_wrapper.EnumTypeWrapper)
-    self.assertEqual(
-        union.DESCRIPTOR, unittest_pb2.TestAllTypes.NestedEnum.DESCRIPTOR
-    )
-
-
-if __name__ == "__main__":
-  unittest.main()