diff --git a/conf.py b/conf.py
index 196153f98..a329216f2 100644
--- a/conf.py
+++ b/conf.py
@@ -191,7 +191,6 @@ versions_names = {
     'saas-15.4': "Odoo Online",
     'saas-15.3': "Odoo Online",
     'saas-15.2': "Odoo Online",
-    'saas-15.1': "Odoo Online",
     '15.0': "Odoo 15",
     '14.0': "Odoo 14",
     '13.0': "Odoo 13",