diff --git a/docs/source/conf.py b/docs/source/conf.py
index 6bb2a2fb..28b13d7b 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -64,7 +64,6 @@
     'sphinx.ext.autodoc',
     'sphinx.ext.autosummary',
     'sphinx.ext.doctest',
-    'sphinx.ext.intersphinx',
     'sphinx.ext.todo',
     'sphinx.ext.coverage',
     'sphinx.ext.mathjax',