diff --git a/metadata/de.tutao.tutanota.yml b/metadata/de.tutao.tutanota.yml
index 2480cd7e2a..0d471476c5 100644
--- a/metadata/de.tutao.tutanota.yml
+++ b/metadata/de.tutao.tutanota.yml
@@ -936,6 +936,7 @@ Builds:
       - node dist prod
     scandelete:
       - node_modules/mithril/dist/archive/*/mithril.min.zip
+      - node_modules/traceur/node_modules/semver/*.gz
 
 AutoUpdateMode: Version tutanota-android-release-%v
 UpdateCheckMode: Tags tutanota-android-release-*