diff --git a/.github/workflows/dco.yml b/.github/workflows/dco.yml
index 21ae0dc..40ed8fc 100644
--- a/.github/workflows/dco.yml
+++ b/.github/workflows/dco.yml
@@ -1,9 +1,6 @@
 name: DCO check
 
 on:
-  push:
-    branches:
-      - master
   pull_request:
     branches:
       - master