diff --git a/.github/workflows/lock.yml b/.github/workflows/lock.yml
index d6e41130f..86cba3a90 100644
--- a/.github/workflows/lock.yml
+++ b/.github/workflows/lock.yml
@@ -3,7 +3,6 @@ name: 'Lock Threads'
 on:
   schedule:
     - cron: '0 0 * * *'
-    workflow_dispatch:
 
 permissions:
   issues: write