diff --git a/frontend/sphinx/conf.py b/frontend/sphinx/conf.py
index 85556486d..dc6dc922e 100644
--- a/frontend/sphinx/conf.py
+++ b/frontend/sphinx/conf.py
@@ -221,8 +221,6 @@ def get_file_from_conf_ini(path_to_file):
                           '[GNATcheck Reference Manual: %s]'),
     'gnat_stack_ug_url': ('http://docs.adacore.com/live/wave/gnatstack/html/gnatstack_ug/%s',
                           '[GNATstack User\'s Guide: %s]'),
-    'cwe': ('https://cwe.mitre.org/data/definitions/%s.html',
-                          '[CWE-%s]'),
     }
 
 extlinks_detect_hardcoded_links = True