diff --git a/appveyor.yml b/appveyor.yml
index bc90404fad9f..1cc7705e5b79 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -23,9 +23,6 @@ install:
   - git clone https://github.com/wing328/swagger-samples
   - ps: Start-Process -FilePath 'C:\maven\apache-maven-3.2.5\bin\mvn' -ArgumentList 'jetty:run' -WorkingDirectory "$env:appveyor_build_folder\swagger-samples\java\java-jersey-jaxrs-ci"
 build_script:
-  # build C# API client
-  - nuget restore samples\client\petstore\csharp\SwaggerClient\IO.Swagger.sln
-  - msbuild samples\client\petstore\csharp\SwaggerClient\IO.Swagger.sln /logger:"C:\Program Files\AppVeyor\BuildAgent\Appveyor.MSBuildLogger.dll"
   # build C# API client (with PropertyChanged)
   - nuget restore samples\client\petstore\csharp\SwaggerClientWithPropertyChanged\IO.Swagger.sln
   - msbuild samples\client\petstore\csharp\SwaggerClientWithPropertyChanged\IO.Swagger.sln /logger:"C:\Program Files\AppVeyor\BuildAgent\Appveyor.MSBuildLogger.dll"
@@ -35,8 +32,6 @@ build_script:
   # install swagger codegen locally
   - mvn clean install --batch-mode
 test_script:
-  # test c# API client
-  - nunit-console samples\client\petstore\csharp\SwaggerClient\src\IO.Swagger.Test\bin\Debug\IO.Swagger.Test.dll --result=myresults.xml;format=AppVeyor
   # test c# API client (with PropertyChanged)
   - nunit-console samples\client\petstore\csharp\SwaggerClientWithPropertyChanged\src\IO.Swagger.Test\bin\Debug\IO.Swagger.Test.dll --result=myresults.xml;format=AppVeyor