diff --git a/docs/conf.py b/docs/conf.py
index 6b2dadd..9689a94 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -179,14 +179,9 @@
 
 html_baseurl = 'https://documentation.ubuntu.com/data-science-stack/'
 
-# URL scheme. Add language and version scheme elements.
-# When configured with RTD variables, check for RTD environment so manual runs succeed:
-
-if 'READTHEDOCS_VERSION' in os.environ:
-    version = os.environ["READTHEDOCS_VERSION"]
-    sitemap_url_scheme = '{version}{link}'
-else:
-    sitemap_url_scheme = 'MANUAL/{link}'
+# URL scheme.
+
+sitemap_url_scheme = '{link}'
 
 # Include `lastmod` dates in the sitemap: