diff --git a/doc/requirements.txt b/doc/requirements.txt
index 5ca4ac51..3416a10b 100644
--- a/doc/requirements.txt
+++ b/doc/requirements.txt
@@ -1,7 +1,7 @@
 # The order of packages is significant, because pip processes them in the order
 # of appearance. Changing the order has an impact on the overall integration
 # process, which may cause wedges in the gate later.
-openstackdocstheme>=1.18.1 # Apache-2.0
+openstackdocstheme>=1.20.0 # Apache-2.0
 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
 reno>=2.5.0 # Apache-2.0
diff --git a/doc/source/conf.py b/doc/source/conf.py
index 751c6161..4a88da1c 100755
--- a/doc/source/conf.py
+++ b/doc/source/conf.py
@@ -29,7 +29,6 @@ extensions = [
 repository_name = 'openstack/python-zunclient'
 bug_project = 'python-zunclient'
 bug_tag = 'doc'
-html_last_updated_fmt = '%Y-%m-%d %H:%M'
 
 # autodoc generation is a bit aggressive and a nuisance when doing heavy
 # text edit cycles.
@@ -42,7 +41,6 @@ source_suffix = '.rst'
 master_doc = 'index'
 
 # General information about the project.
-project = u'python-zunclient'
 copyright = u'2013, OpenStack Foundation'
 
 # If true, '()' will be appended to :func: etc. cross-reference text.
diff --git a/releasenotes/source/conf.py b/releasenotes/source/conf.py
index 16024c7f..4843ffea 100644
--- a/releasenotes/source/conf.py
+++ b/releasenotes/source/conf.py
@@ -55,19 +55,8 @@ source_suffix = '.rst'
 master_doc = 'index'
 
 # General information about the project.
-project = u'python-zunclient Release Notes'
 copyright = u'2016, OpenStack Foundation'
 
-# The version info for the project you're documenting, acts as replacement for
-# |version| and |release|, also used in various other places throughout the
-# built documents.
-#
-# The short X.Y version.
-# The full version, including alpha/beta/rc tags.
-release = ''
-# The short X.Y version.
-version = ''
-
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
 # language = None
@@ -111,7 +100,7 @@ pygments_style = 'sphinx'
 
 # The theme to use for HTML and HTML Help pages.  See the documentation for
 # a list of builtin themes.
-html_theme = 'default'
+html_theme = 'openstackdocs'
 
 # Theme options are theme-specific and customize the look and feel of a theme
 # further.  For a list of options available for each theme, see the
@@ -194,17 +183,6 @@ htmlhelp_basename = 'GlanceReleaseNotesdoc'
 
 # -- Options for LaTeX output ---------------------------------------------
 
-latex_elements = {
-    # The paper size ('letterpaper' or 'a4paper').
-    # 'papersize': 'letterpaper',
-
-    # The font size ('10pt', '11pt' or '12pt').
-    # 'pointsize': '10pt',
-
-    # Additional stuff for the LaTeX preamble.
-    # 'preamble': '',
-}
-
 # Grouping the document tree into LaTeX files. List of tuples
 # (source start file, target name, title,
 #  author, documentclass [howto, manual, or own class]).