diff --git a/.zuul.yaml b/.zuul.yaml
index 5e0e73f2ea..734b1ededc 100644
--- a/.zuul.yaml
+++ b/.zuul.yaml
@@ -9,7 +9,6 @@
       - openstack/cliff
       - openstack/keystoneauth
       - openstack/openstacksdk
-      - openstack/os-client-config
       - openstack/osc-lib
       - openstack/python-openstackclient
     vars:
@@ -30,7 +29,6 @@
       - openstack/cliff
       - openstack/keystoneauth
       - openstack/openstacksdk
-      - openstack/os-client-config
       - openstack/osc-lib
       - openstack/python-openstackclient
     vars:
@@ -127,12 +125,11 @@
       - openstack/cliff
       - openstack/keystoneauth
       - openstack/openstacksdk
-      - openstack/os-client-config
       - openstack/osc-lib
       - openstack/python-openstackclient
     vars:
       devstack_localrc:
-        LIBS_FROM_GIT: python-openstackclient,openstacksdk,osc-lib,os-client-config,cliff
+        LIBS_FROM_GIT: python-openstackclient,openstacksdk,osc-lib,cliff
         # This is insufficient, but leaving it here as a reminder of what may
         # someday be all we need to make this work
         # disable_python3_package swift
diff --git a/lower-constraints.txt b/lower-constraints.txt
index 0c754f5c27..f16eca4184 100644
--- a/lower-constraints.txt
+++ b/lower-constraints.txt
@@ -51,7 +51,6 @@ munch==2.1.0
 netaddr==0.7.18
 netifaces==0.10.4
 openstacksdk==0.44.0
-os-client-config==1.28.0
 os-service-types==1.7.0
 os-testr==1.0.0
 osc-lib==2.0.0
diff --git a/openstackclient/tests/unit/integ/cli/test_shell.py b/openstackclient/tests/unit/integ/cli/test_shell.py
index 0c98a12942..5788b47375 100644
--- a/openstackclient/tests/unit/integ/cli/test_shell.py
+++ b/openstackclient/tests/unit/integ/cli/test_shell.py
@@ -20,16 +20,6 @@ from openstackclient import shell
 from openstackclient.tests.unit.integ import base as test_base
 from openstackclient.tests.unit import test_shell
 
-# NOTE(dtroyer): Attempt the import to detect if the SDK installed is new
-#                enough to contain the os_client_config code.  If so, use
-#                that path for mocks.
-CONFIG_MOCK_BASE = "openstack.config.loader"
-try:
-    from openstack.config import defaults   # noqa
-except ImportError:
-    # Fall back to os-client-config
-    CONFIG_MOCK_BASE = "os_client_config.config"
-
 
 class TestIntegShellCliNoAuth(test_base.TestInteg):
 
@@ -455,8 +445,8 @@ class TestIntegShellCliPrecedenceOCC(test_base.TestInteg):
         temp_dir = self.useFixture(fixtures.TempDir())
         return temp_dir.join(filename)
 
-    @mock.patch(CONFIG_MOCK_BASE + ".OpenStackConfig._load_vendor_file")
-    @mock.patch(CONFIG_MOCK_BASE + ".OpenStackConfig._load_config_file")
+    @mock.patch("openstack.config.loader.OpenStackConfig._load_vendor_file")
+    @mock.patch("openstack.config.loader.OpenStackConfig._load_config_file")
     def test_shell_args_precedence_1(self, config_mock, vendor_mock):
         """Precedence run 1
 
@@ -473,7 +463,6 @@ class TestIntegShellCliPrecedenceOCC(test_base.TestInteg):
             return ('file.yaml', copy.deepcopy(test_shell.PUBLIC_1))
         vendor_mock.side_effect = vendor_mock_return
 
-        print("CONFIG_MOCK_BASE=%s" % CONFIG_MOCK_BASE)
         _shell = shell.OpenStackShell()
         _shell.run(
             "--os-password qaz extension list".split(),
@@ -527,8 +516,8 @@ class TestIntegShellCliPrecedenceOCC(test_base.TestInteg):
         # +env, +cli, +occ
         # see test_shell_args_precedence_2()
 
-    @mock.patch(CONFIG_MOCK_BASE + ".OpenStackConfig._load_vendor_file")
-    @mock.patch(CONFIG_MOCK_BASE + ".OpenStackConfig._load_config_file")
+    @mock.patch("openstack.config.loader.OpenStackConfig._load_vendor_file")
+    @mock.patch("openstack.config.loader.OpenStackConfig._load_config_file")
     def test_shell_args_precedence_2(self, config_mock, vendor_mock):
         """Precedence run 2
 
@@ -545,7 +534,6 @@ class TestIntegShellCliPrecedenceOCC(test_base.TestInteg):
             return ('file.yaml', copy.deepcopy(test_shell.PUBLIC_1))
         vendor_mock.side_effect = vendor_mock_return
 
-        print("CONFIG_MOCK_BASE=%s" % CONFIG_MOCK_BASE)
         _shell = shell.OpenStackShell()
         _shell.run(
             "--os-username zarquon --os-password qaz "
diff --git a/test-requirements.txt b/test-requirements.txt
index ed3cf0c004..f2b6a13402 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -9,7 +9,6 @@ oslotest>=3.2.0 # Apache-2.0
 requests>=2.14.2 # Apache-2.0
 requests-mock>=1.2.0 # Apache-2.0
 stevedore>=1.20.0 # Apache-2.0
-os-client-config>=1.28.0 # Apache-2.0
 stestr>=1.0.0 # Apache-2.0
 testtools>=2.2.0 # MIT
 tempest>=17.1.0 # Apache-2.0
diff --git a/tox.ini b/tox.ini
index 3b4b66a0fe..3a2a307de8 100644
--- a/tox.ini
+++ b/tox.ini
@@ -64,7 +64,6 @@ commands =
     python -m pip install -q -U -e "git+file://{toxinidir}/../cliff#egg=cliff"
     python -m pip install -q -U -e "git+file://{toxinidir}/../keystoneauth#egg=keystoneauth"
     python -m pip install -q -U -e "git+file://{toxinidir}/../osc-lib#egg=osc_lib"
-    python -m pip install -q -U -e "git+file://{toxinidir}/../os-client-config#egg=os_client_config"
     pythom -m pip install -q -e "git+file://{toxinidir}/../openstacksdk#egg=openstacksdk"
     python -m pip freeze
     stestr run {posargs}
@@ -83,7 +82,6 @@ commands =
     python -m pip install -q -U -e "git+file://{toxinidir}/../cliff#egg=cliff"
     python -m pip install -q -U -e "git+file://{toxinidir}/../keystoneauth#egg=keystoneauth"
     python -m pip install -q -U -e "git+file://{toxinidir}/../osc-lib#egg=osc_lib"
-    python -m pip install -q -U -e "git+file://{toxinidir}/../os-client-config#egg=os_client_config"
     python -m pip install -q -U -e "git+file://{toxinidir}/../openstacksdk#egg=openstacksdk"
     python -m pip freeze
     stestr run {posargs}