diff --git a/docs/source/conf.py b/docs/source/conf.py
index <HASH>..<HASH> 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -25,7 +25,6 @@ extensions = [
     'sphinx.ext.autodoc',
     'sphinx.ext.intersphinx',
     'sphinx.ext.ifconfig',
-    'sphinxcontrib.email',
 ]
 
 # Add any paths that contain templates here, relative to this directory.
Remove sphinxcontrib.email extension