diff --git a/test/ShadowsocksTest.csproj b/test/ShadowsocksTest.csproj
index 4cc9932f..54c1b19f 100644
--- a/test/ShadowsocksTest.csproj
+++ b/test/ShadowsocksTest.csproj
@@ -56,7 +56,7 @@
   </Choose>
   <ItemGroup>
     <Compile Include="ProcessEnvironment.cs" />
-    <Compile Include="CryptographyTest.cs" />
+    
     <Compile Include="Sip003PluginTest.cs" />
     <Compile Include="UrlTest.cs" />
     <Compile Include="UnitTest.cs" />
@@ -99,4 +99,4 @@
   <Target Name="AfterBuild">
   </Target>
   -->
-</Project>
\ No newline at end of file
+</Project>