diff --git a/docs/conf.py b/docs/conf.py
index bd4ffdbadb..29f2c8bb10 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -232,7 +232,7 @@
 html_static_path = ['images']  # should contain the folder with icons
 
 # Add support for nice Not Found 404 pages
-extensions += ['notfound.extension']
+# extensions += ['notfound.extension']  # readthedocs/sphinx-notfound-page#219
 
 # List of dicts with <link> HTML attributes
 # static-file points to files in the html_static_path (href is computed)