diff --git a/doc/conf.py b/doc/conf.py
index 47bb52fb..ac3e8b39 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -62,9 +62,9 @@ print "Importing extensions"
 extensions = ['sphinx.ext.autodoc',
               'sphinx.ext.doctest',
               'sphinx.ext.viewcode',
-              'sphinx.ext.pngmath',
-              'ipython_directive',
-              'ipython_console_highlighting.py'
+              'sphinx.ext.pngmath'
+              #'ipython_directive',
+              #'ipython_console_highlighting.py'
               #'matplotlib.sphinxext.mathmpl',
               #'matplotlib.sphinxext.only_directives',
               #'matplotlib.sphinxext.plot_directive',