diff --git a/03frontends.cfg b/03frontends.cfg
index 325c32f..f647717 100644
--- a/03frontends.cfg
+++ b/03frontends.cfg
@@ -341,7 +341,6 @@ frontend frontend_default
   use_backend letsencrypt if letsencrypt
   use_backend linkding if linkding
   use_backend mailcow if mailcow
-  use_backend mailcow-backup if mailcow-backup
   use_backend mastodon if mastodon
   use_backend miniflux if miniflux
   use_backend navidrome if navidrome