diff --git a/.github/workflows/docker-image-master.yml b/.github/workflows/docker-image-master.yml
index 714842b..fbff877 100644
--- a/.github/workflows/docker-image-master.yml
+++ b/.github/workflows/docker-image-master.yml
@@ -3,8 +3,6 @@ name: Docker Image CI
 on:
   push:
     branches: [ "master" ]
-  pull_request:
-    branches: [ "master" ]
   workflow_dispatch:
 
 jobs: