diff --git a/docs/conf.py b/docs/conf.py
index 40de28e..fa1b61f 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -32,8 +32,7 @@
 # ones.
 extensions = [
     'sphinx.ext.autodoc', 'sphinx.ext.napoleon', 'sphinx.ext.autosummary',
-                  'IPython.sphinxext.ipython_directive',
-	'sphinx.ext.mathjax' 
+                  	'sphinx.ext.mathjax' 
 ]
 
 # Add any paths that contain templates here, relative to this directory.