diff --git a/.github/workflows/build-nightly.yml b/.github/workflows/build-nightly.yml
index 25e4f7b55..0942f2eea 100644
--- a/.github/workflows/build-nightly.yml
+++ b/.github/workflows/build-nightly.yml
@@ -3,8 +3,6 @@ name: Nightly build
 on:
   push:
     branches: [ "develop" ]
-  pull_request:
-    branches: [ "develop" ]
 
 jobs:
   prepare-build: