diff --git a/docs/conf.py b/docs/conf.py
index 43c28781..6aeb9dd9 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -1,9 +1,7 @@
 import os
 import django
 
 os.environ.setdefault("DJANGO_SETTINGS_MODULE", "swh.web.settings.development")
 django.setup()
 
 from swh.docs.sphinx.conf import *  # NoQA
-
-extensions += ['sphinxcontrib.httpdomain'] # noqa