diff --git a/.github/workflows/nightly.yml b/.github/workflows/nightly.yml
index 9d0e89da221..afeeeac2e90 100644
--- a/.github/workflows/nightly.yml
+++ b/.github/workflows/nightly.yml
@@ -21,10 +21,6 @@ on:
   schedule:
     - cron: 0 4 * * *
 
-  pull_request:
-    branches:
-      - master
-
 jobs:
   build:
     name: Build