diff --git a/.github/workflows/validate-manifest.yml b/.github/workflows/validate-manifest.yml
index 162dd28..1aa0b50 100644
--- a/.github/workflows/validate-manifest.yml
+++ b/.github/workflows/validate-manifest.yml
@@ -1,8 +1,6 @@
 name: Validate manifest
 
 on:
-   workflow_dispatch:
-   
    schedule:
     - cron:  '0 8,20 * * *'