diff --git a/api-ref/source/conf.py b/api-ref/source/conf.py
index 3d8c44dc..38b8d885 100644
--- a/api-ref/source/conf.py
+++ b/api-ref/source/conf.py
@@ -59,19 +59,8 @@ source_suffix = '.rst'
 master_doc = 'index'
 
 # General information about the project.
-project = u'Function Engine API Reference'
 copyright = u'2010-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.
-#
-from qinling.version import version_info
-# The full version, including alpha/beta/rc tags.
-release = version_info.release_string()
-# The short X.Y version.
-version = version_info.version_string()
-
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
 #
@@ -148,11 +137,6 @@ bug_tag = 'api-ref'
 # 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'
-html_last_updated_fmt = '%Y-%m-%d %H:%M'
-
 # 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 86270b8a..d159f384 100644
--- a/doc/requirements.txt
+++ b/doc/requirements.txt
@@ -5,6 +5,6 @@
 sphinx>=1.6.2,<2.0.0;python_version=='2.7' # BSD
 sphinx>=1.6.2;python_version>='3.4' # BSD
 sphinxcontrib-apidoc>=0.2.0 # BSD
-openstackdocstheme>=1.11.0 # Apache-2.0
+openstackdocstheme>=1.20.0 # Apache-2.0
 reno>=1.8.0  # Apache-2.0
 os-api-ref>=1.0.0 # Apache-2.0
diff --git a/doc/source/conf.py b/doc/source/conf.py
index 04f27286..547f3fbf 100755
--- a/doc/source/conf.py
+++ b/doc/source/conf.py
@@ -23,7 +23,6 @@ sys.path.insert(0, os.path.abspath('../..'))
 # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom ones.
 extensions = [
     'sphinx.ext.autodoc',
-    #'sphinx.ext.intersphinx',
     'openstackdocstheme',
 ]
 
@@ -38,7 +37,6 @@ source_suffix = '.rst'
 master_doc = 'index'
 
 # General information about the project.
-project = u'Qinling'
 copyright = u"%d, OpenStack Foundation" % dt.datetime.now().year
 
 # If true, '()' will be appended to :func: etc. cross-reference text.
@@ -60,15 +58,15 @@ html_theme = "openstackdocs"
 html_static_path = []
 
 # Output file base name for HTML help builder.
-htmlhelp_basename = '%sdoc' % project
+htmlhelp_basename = 'Qinlingdoc'
 
 # Grouping the document tree into LaTeX files. List of tuples
 # (source start file, target name, title, author, documentclass
 # [howto/manual]).
 latex_documents = [
     ('index',
-     '%s.tex' % project,
-     u'%s Documentation' % project,
+     'Qinling.tex',
+     u'Qinling Documentation',
      u'OpenStack Foundation', 'manual'),
 ]
 
@@ -78,6 +76,3 @@ latex_documents = [
 # openstackdocstheme options
 repository_name = 'openstack/qinling'
 use_storyboard = True
-
-# Must set this variable to include year, month, day, hours, and minutes.
-html_last_updated_fmt = '%Y-%m-%d %H:%M'
diff --git a/releasenotes/source/conf.py b/releasenotes/source/conf.py
index edc9f9ae..00556068 100644
--- a/releasenotes/source/conf.py
+++ b/releasenotes/source/conf.py
@@ -46,7 +46,6 @@ extensions = [
 repository_name = 'openstack/qinling'
 bug_project = 'qinling'
 bug_tag = 'release notes'
-html_last_updated_fmt = '%Y-%m-%d %H:%M'
 
 # Add any paths that contain templates here, relative to this directory.
 templates_path = ['_templates']
@@ -61,19 +60,8 @@ source_suffix = '.rst'
 master_doc = 'index'
 
 # General information about the project.
-project = u'qinling 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
@@ -200,17 +188,6 @@ htmlhelp_basename = 'QinlingReleaseNotesdoc'
 
 # -- 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]).