diff --git a/.github/workflows/system-testing.yml b/.github/workflows/system-testing.yml
index cc41ccac..47dc0a2e 100644
--- a/.github/workflows/system-testing.yml
+++ b/.github/workflows/system-testing.yml
@@ -5,7 +5,6 @@ on:
     types: [opened, reopened, synchronize]
     branches:
       - main
-      - slu/e2eExternal
 
 jobs:
   trigger-system-tests: