diff --git a/api-ref/source/conf.py b/api-ref/source/conf.py
index ecf27b90..394b528a 100644
--- a/api-ref/source/conf.py
+++ b/api-ref/source/conf.py
@@ -26,24 +26,22 @@
 # serve to show the default.
 
 import os
-import subprocess
 import sys
-import warnings
-
-import openstackdocstheme
-
-from searchlight.version import version_info
 
 html_theme = 'openstackdocs'
-html_theme_path = [openstackdocstheme.get_html_theme_path()]
 html_theme_options = {
     "sidebar_mode": "toc",
 }
 
 extensions = [
     'os_api_ref',
+    'openstackdocstheme'
 ]
 
+repository_name = 'openstack/searchlight'
+bug_project = 'searchlight'
+bug_tag = 'searchlight'
+
 # If extensions (or modules to document with autodoc) are in another directory,
 # add these directories to sys.path here. If the directory is relative to the
 # documentation root, use os.path.abspath to make it absolute, like shown here.
@@ -70,20 +68,6 @@ master_doc = 'index'
 project = u'Search Service API Reference'
 copyright = u'2015-present, 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 full version, including alpha/beta/rc tags.
-release = version_info.release_string()
-# The short X.Y version.
-version = version_info.version_string()
-
-# html_context allows us to pass arbitrary values into the html template
-html_context = {"bug_tag": "api-ref",
-                "bug_project": "searchlight"}
-
-
 # for a list of supported languages.
 #
 # language = None
@@ -154,18 +138,6 @@ pygments_style = 'sphinx'
 # so a file named "default.css" will overwrite the builtin "default.css".
 # html_static_path = ['_static']
 
-# If not '', a 'Last updated on:' timestamp is inserted at every page bottom,
-# using the given strftime format.
-# html_last_updated_fmt = '%b %d, %Y'
-git_cmd = [
-    "git", "log", "--pretty=format:'%ad, commit %h'", "--date=local", "-n1"
-]
-try:
-    html_last_updated_fmt = subprocess.check_output(git_cmd).decode('utf-8')
-except Exception:
-    warnings.warn('Cannot get last updated time from git repository. '
-                  'Not setting "html_last_updated_fmt".')
-
 # If true, SmartyPants will be used to convert quotes and dashes to
 # typographically correct entities.
 # html_use_smartypants = True
diff --git a/doc/requirements.txt b/doc/requirements.txt
index 4a44796e..45c9ffb2 100644
--- a/doc/requirements.txt
+++ b/doc/requirements.txt
@@ -1,6 +1,5 @@
 # Documentation
-sphinx>=1.8.0,<2.0.0;python_version=='2.7' # BSD
-sphinx>=1.8.0,!=2.1.0;python_version>='3.4' # BSD
+sphinx>=1.8.0,!=2.1.0 # BSD
 openstackdocstheme>=1.30.0 # Apache-2.0
 os-api-ref>=1.4.0 # Apache-2.0
 reno>=2.5.0 # Apache-2.0
diff --git a/doc/source/conf.py b/doc/source/conf.py
index 03f8d311..994a9a10 100644
--- a/doc/source/conf.py
+++ b/doc/source/conf.py
@@ -27,7 +27,6 @@
 # serve to show the default.
 
 import os
-import subprocess
 import sys
 
 # If extensions (or modules to document with autodoc) are in another directory,
diff --git a/releasenotes/source/conf.py b/releasenotes/source/conf.py
index 8af19f88..b6556572 100644
--- a/releasenotes/source/conf.py
+++ b/releasenotes/source/conf.py
@@ -58,6 +58,10 @@ master_doc = 'index'
 project = u'Searchlight Release Notes'
 copyright = u'2015, OpenStack Foundation'
 
+repository_name = 'openstack/searchlight'
+bug_project = 'searchlight'
+bug_tag = 'searchlight'
+
 # Release  notes  are version independent.
 # The short X.Y version.
 
@@ -192,17 +196,6 @@ htmlhelp_basename = 'SearchlightReleaseNotesdoc'
 
 # -- 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]).