diff --git a/MAINTAINERS b/MAINTAINERS
index be197c693..d6b68ba0e 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -60,12 +60,6 @@ M: Gordon Chung <chungg@ca.ibm.com>
 S: Maintained
 F: middleware/audit.py
 
-== authutils ==
-
-M:
-S: Orphan
-F: authutils.py
-
 == cfg ==
 
 M: Mark McLoughlin <markmc@redhat.com>
diff --git a/openstack/common/authutils.py b/openstack/common/authutils.py
deleted file mode 100644
index 73bcd79f4..000000000
--- a/openstack/common/authutils.py
+++ /dev/null
@@ -1,42 +0,0 @@
-# Copyright 2011 OpenStack Foundation.
-# All Rights Reserved.
-#
-#    Licensed under the Apache License, Version 2.0 (the "License"); you may
-#    not use this file except in compliance with the License. You may obtain
-#    a copy of the License at
-#
-#         http://www.apache.org/licenses/LICENSE-2.0
-#
-#    Unless required by applicable law or agreed to in writing, software
-#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
-#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
-#    License for the specific language governing permissions and limitations
-#    under the License.
-
-"""
-Authentication related utilities and helper functions.
-"""
-
-
-def auth_str_equal(provided, known):
-    """Constant-time string comparison.
-
-    :params provided: the first string
-    :params known: the second string
-
-    :return: True if the strings are equal.
-
-    This function takes two strings and compares them.  It is intended to be
-    used when doing a comparison for authentication purposes to help guard
-    against timing attacks.  When using the function for this purpose, always
-    provide the user-provided password as the first argument.  The time this
-    function will take is always a factor of the length of this string.
-    """
-    result = 0
-    p_len = len(provided)
-    k_len = len(known)
-    for i in range(p_len):
-        a = ord(provided[i]) if i < p_len else 0
-        b = ord(known[i]) if i < k_len else 0
-        result |= a ^ b
-    return (p_len == k_len) & (result == 0)
diff --git a/tests/unit/test_authutils.py b/tests/unit/test_authutils.py
deleted file mode 100644
index 2a5d7e30d..000000000
--- a/tests/unit/test_authutils.py
+++ /dev/null
@@ -1,26 +0,0 @@
-# Copyright 2011 OpenStack Foundation.
-# All Rights Reserved.
-#
-#    Licensed under the Apache License, Version 2.0 (the "License"); you may
-#    not use this file except in compliance with the License. You may obtain
-#    a copy of the License at
-#
-#         http://www.apache.org/licenses/LICENSE-2.0
-#
-#    Unless required by applicable law or agreed to in writing, software
-#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
-#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
-#    License for the specific language governing permissions and limitations
-#    under the License.
-
-from openstack.common import authutils
-from openstack.common import test
-
-
-class AuthUtilsTest(test.BaseTestCase):
-
-    def test_auth_str_equal(self):
-        self.assertTrue(authutils.auth_str_equal('abc123', 'abc123'))
-        self.assertFalse(authutils.auth_str_equal('a', 'aaaaa'))
-        self.assertFalse(authutils.auth_str_equal('aaaaa', 'a'))
-        self.assertFalse(authutils.auth_str_equal('ABC123', 'abc123'))