diff --git a/.github/ci.yaml b/.github/ci.yaml
deleted file mode 100644
index 3eada6e..0000000
--- a/.github/ci.yaml
+++ /dev/null
@@ -1,25 +0,0 @@
-name: build-tast-tablizer
-on: [push, pull_request]
-jobs:
-  build:
-    strategy:
-      matrix:
-        version: [1.17, 1.18, 1.19]
-        os: [ubuntu-latest, windows-latest, macos-latest]
-    name: Build
-    runs-on: ${{ matrix.os }}
-    steps:
-    - name: Set up Go 1.18
-      uses: actions/setup-go@v3
-      with:
-        go-version: ${{ matrix.version }}
-      id: go
-
-    - name: checkout
-      uses: actions/checkout@v3
-
-    - name: build
-      run: make
-
-    - name: test
-      run: make test
diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 9a507f7..3eada6e 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -1,17 +1,14 @@
 name: build-tast-tablizer
 on: [push, pull_request]
 jobs:
-  os_matrix:
+  build:
     strategy:
       matrix:
         version: [1.17, 1.18, 1.19]
         os: [ubuntu-latest, windows-latest, macos-latest]
-
-  build:
     name: Build
     runs-on: ${{ matrix.os }}
     steps:
-
     - name: Set up Go 1.18
       uses: actions/setup-go@v3
       with: