diff --git a/ci-automation/ci-config.env b/ci-automation/ci-config.env
index cfacd06297..791a9b114f 100644
--- a/ci-automation/ci-config.env
+++ b/ci-automation/ci-config.env
@@ -12,7 +12,6 @@ BUILDCACHE_SERVER="${BUILDCACHE_SERVER:-bincache.flatcar-linux.net}"
 BUILDCACHE_PATH_PREFIX="/srv/bincache"
 BUILDCACHE_USER="bincache"
 
-RELEASES_SERVER="mirror.release.flatcar-linux.net"
 CONTAINER_REGISTRY="ghcr.io/flatcar"
 RELEASES_JSON_FEED="https://www.flatcar.org/releases-json/releases.json"