diff --git a/taskcluster/ci/signing/kind.yml b/taskcluster/ci/signing/kind.yml
index 6ccb59ebc..18de00b14 100644
--- a/taskcluster/ci/signing/kind.yml
+++ b/taskcluster/ci/signing/kind.yml
@@ -25,7 +25,6 @@ job-template:
             beta-mozillaonline: autograph_apk_mozillaonline
             release-mozillaonline: autograph_apk_mozillaonline
             default: autograph_apk
-    signing-format: autograph_apk
     index:
         by-tasks-for:
             (action|cron):