diff --git a/mkosi.conf.d/20-fedora-40.conf b/mkosi.conf.d/20-fedora-40.conf
deleted file mode 100644
index 0b076ceb34..0000000000
--- a/mkosi.conf.d/20-fedora-40.conf
+++ /dev/null
@@ -1,9 +0,0 @@
-# SPDX-License-Identifier: LGPL-2.1-or-later
-
-[Match]
-Distribution=fedora
-Release=40
-
-[Distribution]
-Repositories=updates-testing
-Mirror=https://dl.fedoraproject.org/pub