diff --git a/doc/conf.py b/doc/conf.py
index 6a6eedfe..e48e286a 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -141,10 +141,10 @@ sys.path.append(os.path.abspath('sphinxext'))
 # Add any Sphinx extension module names here, as strings. They can be extensions
 # coming with Sphinx (named 'sphinx.ext.*') or your custom ones.
 extensions = ['sphinx.ext.autodoc', 'sphinx.ext.viewcode',
-              'matplotlib.sphinxext.mathmpl',
-              'matplotlib.sphinxext.only_directives',
+              #'matplotlib.sphinxext.mathmpl',
+              #'matplotlib.sphinxext.only_directives',
               'matplotlib.sphinxext.plot_directive',
-              'matplotlib.sphinxext.ipython_directive',
+              #'matplotlib.sphinxext.ipython_directive',
               'sphinx.ext.doctest',
               'ipython_console_highlighting',
               'inheritance_diagram',