diff --git a/.github/workflows/nightly-e2e.yml b/.github/workflows/nightly-e2e.yml
index 7c05112a72..b2733377d4 100644
--- a/.github/workflows/nightly-e2e.yml
+++ b/.github/workflows/nightly-e2e.yml
@@ -5,11 +5,6 @@ on:
   schedule:
     - cron: "0 4 * * *"
   workflow_dispatch:
-  # Temporary: allows this stacked PR to exercise the workflow before merge.
-  # Remove before merging.
-  pull_request:
-    branches:
-      - samuel/split-build-pipelines
 
 permissions:
   contents: read