diff --git a/.github/workflows/sm3_sm4_ni.ci.yml b/.github/workflows/sm3_sm4_ni.ci.yml
deleted file mode 100644
index 95dc5a4..0000000
--- a/.github/workflows/sm3_sm4_ni.ci.yml
+++ /dev/null
@@ -1,39 +0,0 @@
-name: ci
-
-on:
-  push:
-    branches: [ sm3_sm4_ni ]
-  pull_request:
-    branches: [ sm3_sm4_ni ]
-
-jobs:
-
-  build:
-    runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        goVer: ['1.15', '1.16', '1.17']    
-    steps:
-    - name: Checkout Repo
-      uses: actions/checkout@v2
-  
-    - name: Set up Go
-      uses: actions/setup-go@v2
-      with:
-        go-version: ${{ matrix.goVer }}
-
-    - name: Setup Environment
-      run: |
-         echo "GOPATH=$(go env GOPATH)" >> $GITHUB_ENV
-         echo "$(go env GOPATH)/bin" >> $GITHUB_PATH
-
-    - name: Module cache
-      uses: actions/cache@v2.1.7
-      env:
-        cache-name: go-mod-cache
-      with:
-        path: ~/go/pkg/mod
-        key: ${{ runner.os }}-${{ env.cache-name }}-${{ hashFiles('**/go.sum') }}
-          
-    - name: Test
-      run: go test -v ./...