diff --git a/.github/workflows/pkgdown.yaml b/.github/workflows/pkgdown.yaml
index 9198b11f..8abd18eb 100644
--- a/.github/workflows/pkgdown.yaml
+++ b/.github/workflows/pkgdown.yaml
@@ -3,8 +3,6 @@
 on:
   push:
     branches: [vignettes]
-  pull_request:
-    branches: [vignettes]
   release:
     types: [published]
   workflow_dispatch: