diff --git a/doc/source/conf.py b/doc/source/conf.py
index 9bff8c1..ec59f02 100644
--- a/doc/source/conf.py
+++ b/doc/source/conf.py
@@ -1,9 +1,7 @@
 # -*- coding: utf-8 -*-
 
 import os
-import subprocess
 import sys
-import warnings
 
 sys.path.insert(0, os.path.abspath('../..'))
 # -- General configuration ----------------------------------------------------
@@ -63,7 +61,7 @@ modindex_common_prefix = ['oslo_config.']
 # html_theme_path = ["."]
 # html_theme = '_theme'
 # html_static_path = ['static']
-
+html_theme = 'openstackdocs'
 
 # Output file base name for HTML help builder.
 htmlhelp_basename = '%sdoc' % project