diff --git a/.github/workflows/main-build.yml b/.github/workflows/main-build.yml
index 3fa7b978000..1edbd91e57f 100644
--- a/.github/workflows/main-build.yml
+++ b/.github/workflows/main-build.yml
@@ -1,7 +1,6 @@
 name: 4testing multiarch-build
 
 on:
-  workflow_dispatch:
   repository_dispatch:
     types:
       - cron-trigger-action