diff --git a/.github/workflows/merge-master.yml b/.github/workflows/merge-master.yml
deleted file mode 100644
index 7847f37..0000000
--- a/.github/workflows/merge-master.yml
+++ /dev/null
@@ -1,28 +0,0 @@
-name: Merge master
-
-on:
-  push:
-    branches:
-      - master
-
-jobs:
-  merge-branch:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@master
-
-      - name: Merge master -> with-net6.0
-        uses: devmasx/merge-branch@master
-        with:
-          type: now
-          target_branch: with-net6.0
-          github_token: ${{ github.token }}
-          disable_fastforwards: true
-
-      - name: Merge master -> only-net6.0
-        uses: devmasx/merge-branch@master
-        with:
-          type: now
-          target_branch: only-net6.0
-          github_token: ${{ github.token }}
-          disable_fastforwards: true