diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
deleted file mode 100644
index 56ba5ba9..00000000
--- a/.github/workflows/main.yml
+++ /dev/null
@@ -1,16 +0,0 @@
-name: check
-on:
-  workflow_run:
-    workflows: [prepare]
-    types:
-      - completed
-jobs:
-  on-success:
-    runs-on: ubuntu-latest
-    container:
-      image: docker_image:ol9
-    steps:
-      - name: test
-        run: echo "test"
-      - name: Check clang-format
-        run: find . -type f -regex '.*\\.\\(hpp\\|cpp\\)$' -print0 | xargs -0 clang-format --dry-run --Werror --style=file"