diff --git a/.github/workflows/trigger-cmfa-update.yml b/.github/workflows/trigger-cmfa-update.yml
index d9523a07..cdcaf276 100644
--- a/.github/workflows/trigger-cmfa-update.yml
+++ b/.github/workflows/trigger-cmfa-update.yml
@@ -10,9 +10,6 @@ on:
       - Alpha
     tags:
       - "v*"
-  pull_request_target:
-    branches:
-      - Alpha
       
 jobs:
   # Send "core-updated" to MetaCubeX/ClashMetaForAndroid to trigger update-dependencies