diff --git a/doc/requirements.txt b/doc/requirements.txt
index a6c09d56..2bc4e850 100644
--- a/doc/requirements.txt
+++ b/doc/requirements.txt
@@ -2,7 +2,6 @@
 # of appearance. Changing the order has an impact on the overall integration
 # process, which may cause wedges in the gate later.
 # These are needed for docs generation
-sphinx!=1.6.6,!=1.6.7,>=1.6.2,<2.0.0;python_version=='2.7' # BSD
-sphinx!=1.6.6,!=1.6.7,!=2.1.0,>=1.6.2;python_version>='3.4' # BSD
+sphinx!=1.6.6,!=1.6.7,!=2.1.0,>=1.6.2 # BSD
 openstackdocstheme>=1.18.1 # Apache-2.0
 reno>=2.5.0 # Apache-2.0
diff --git a/setup.cfg b/setup.cfg
index 571d038c..a9962d2f 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -6,6 +6,7 @@ description-file =
 author = OpenStack
 author-email = openstack-discuss@lists.openstack.org
 home-page = https://docs.openstack.org/python-tackerclient/
+python-requires = >=3.6
 classifier =
     Environment :: OpenStack
     Intended Audience :: Developers
@@ -14,6 +15,8 @@ classifier =
     License :: OSI Approved :: Apache Software License
     Operating System :: POSIX :: Linux
     Programming Language :: Python
+    Programming Language :: Python :: Implementation :: CPython
+    Programming Language :: Python :: 3 :: Only
     Programming Language :: Python :: 3
     Programming Language :: Python :: 3.6
     Programming Language :: Python :: 3.7
@@ -22,10 +25,6 @@ classifier =
 packages =
     tackerclient
 
-[global]
-setup-hooks =
-    pbr.hooks.setup_hook
-
 [entry_points]
 console_scripts =
     tacker = tackerclient.shell:main
@@ -90,11 +89,3 @@ openstack.tackerclient.v1 =
      vnflcm_terminate = tackerclient.osc.v1.vnflcm.vnflcm:TerminateVnfLcm
      vnflcm_delete = tackerclient.osc.v1.vnflcm.vnflcm:DeleteVnfLcm
      vnflcm_heal = tackerclient.osc.v1.vnflcm.vnflcm:HealVnfLcm
-
-[build_releasenotes]
-all_files = 1
-build-dir = releasenotes/build
-source-dir = releasenotes/source
-
-[wheel]
-universal = 1
diff --git a/setup.py b/setup.py
index 566d8443..cd35c3c3 100644
--- a/setup.py
+++ b/setup.py
@@ -13,17 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-# THIS FILE IS MANAGED BY THE GLOBAL REQUIREMENTS REPO - DO NOT EDIT
 import setuptools
 
-# In python < 2.7.4, a lazy loading of package `pbr` will break
-# setuptools if some other modules registered functions in `atexit`.
-# solution from: http://bugs.python.org/issue15881#msg170215
-try:
-    import multiprocessing  # noqa
-except ImportError:
-    pass
-
 setuptools.setup(
     setup_requires=['pbr>=2.0.0'],
     pbr=True)