diff --git a/doc/sphinx/conf.py b/doc/sphinx/conf.py
index 81fb1f3d0..f555e99ec 100644
--- a/doc/sphinx/conf.py
+++ b/doc/sphinx/conf.py
@@ -41,7 +41,7 @@ extensions = [
               'sphinx.ext.autodoc',
               'sphinx.ext.todo',
               'sphinx.ext.autosummary',
-              'mathjax',
+              'sphinx.ext.mathjax',
               'sphinxcontrib.doxylink',
               ]
 
@@ -52,8 +52,6 @@ autodoc_default_flags = ['members','show-inheritance','undoc-members']
 
 autoclass_content = 'both'
 
-mathjax_path = 'https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML'
-
 doxylink = {
         'ct' : (os.path.abspath('../../build/docs/Cantera.tag'),
                 '../../doxygen/html/')
diff --git a/doc/sphinx/mathjax.py b/doc/sphinx/mathjax.py
deleted file mode 100644
index 59beff3a4..000000000
--- a/doc/sphinx/mathjax.py
+++ /dev/null
@@ -1,68 +0,0 @@
-# -*- coding: utf-8 -*-
-"""
-    sphinx.ext.mathjax
-    ~~~~~~~~~~~~~~~~~~
-
-    Allow `MathJax <http://mathjax.org/>`_ to be used to display math 
-    in Sphinx's HTML writer - requires the MathJax JavaScript library
-    on your webserver/computer.
-
-    Kevin Dunn, kgdunn@gmail.com, 3-clause BSD license.
-    
-
-    For background, installation details and support: 
-    
-        https://bitbucket.org/kevindunn/sphinx-extension-mathjax
-
-"""
-from docutils import nodes
-from sphinx.application import ExtensionError
-from sphinx.ext.mathbase import setup_math as mathbase_setup
-
-def html_visit_math(self, node):
-    self.body.append(self.starttag(node, 'span', '', CLASS='math'))
-    self.body.append(self.builder.config.mathjax_inline[0] + \
-                     self.encode(node['latex']) +\
-                     self.builder.config.mathjax_inline[1] + '</span>')
-    raise nodes.SkipNode
-
-def html_visit_displaymath(self, node):
-    self.body.append(self.starttag(node, 'div', CLASS='math'))
-    if node['nowrap']:
-        self.body.append(self.builder.config.mathjax_display[0] + \
-                         node['latex'] +\
-                         self.builder.config.mathjax_display[1])
-        self.body.append('</div>')
-        raise nodes.SkipNode
-
-    parts = [prt for prt in node['latex'].split('\n\n') if prt.strip() != '']
-    for i, part in enumerate(parts):
-        part = self.encode(part)
-        if i == 0:
-            # necessary to e.g. set the id property correctly
-            if node['number']:
-                self.body.append('<span class="eqno">(%s)</span>' %
-                                 node['number'])
-        if '&' in part or '\\\\' in part:
-            self.body.append(self.builder.config.mathjax_display[0] + \
-                             '\\begin{split}' + part + '\\end{split}' + \
-                             self.builder.config.mathjax_display[1])
-        else:
-            self.body.append(self.builder.config.mathjax_display[0] + part + \
-                             self.builder.config.mathjax_display[1])
-    self.body.append('</div>\n')
-    raise nodes.SkipNode
-
-def builder_inited(app):
-    if not app.config.mathjax_path:
-        raise ExtensionError('mathjax_path config value must be set for the '
-                             'mathjax extension to work')
-    app.add_javascript(app.config.mathjax_path)
-
-def setup(app):
-    mathbase_setup(app, (html_visit_math, None), (html_visit_displaymath, None))
-    app.add_config_value('mathjax_path', '', False)
-    app.add_config_value('mathjax_inline', [r'\(', r'\)'], 'html')
-    app.add_config_value('mathjax_display', [r'\[', r'\]'], 'html')
-    app.connect('builder-inited', builder_inited)
-