diff --git a/.github/workflows/dotnetcore.yml b/.github/workflows/dotnetcore.yml
deleted file mode 100644
index bd50b9c..0000000
--- a/.github/workflows/dotnetcore.yml
+++ /dev/null
@@ -1,23 +0,0 @@
-name: .NET Core
-
-on: [push]
-
-jobs:
-  build:
-
-    runs-on: ubuntu-latest
-
-    steps:
-    - uses: actions/checkout@master
-    - name: Setup .NET Core
-      uses: actions/setup-dotnet@master
-      with:
-        dotnet-version: 3.1.101
-    - name: dotnet info
-      run: dotnet --info
-    - name: dotnet restore
-      run: dotnet restore ./src/JT809.Protocol.sln
-    - name: dotnet build
-      run: dotnet build ./src/JT809.Protocol.Test/JT809.Protocol.Test.csproj
-    - name: dotnet test
-      run: dotnet test ./src/JT809.Protocol.Test/JT809.Protocol.Test.csproj