diff --git a/test/ServerComparison.TestSites/StartupNtlmAuthentication.cs b/test/ServerComparison.TestSites/StartupNtlmAuthentication.cs
index 7c82dd74a1..e0211f0de3 100644
--- a/test/ServerComparison.TestSites/StartupNtlmAuthentication.cs
+++ b/test/ServerComparison.TestSites/StartupNtlmAuthentication.cs
@@ -48,8 +48,6 @@ namespace ServerComparison.TestSites
         {
             loggerFactory.AddConsole(minLevel: LogLevel.Warning);
 
-            app.UseErrorPage(ErrorPageOptions.ShowAll);
-
             // Set up NTLM authentication for WebListener like below.
             // For IIS and IISExpress: Use inetmgr to setup NTLM authentication on the application vDir or modify the applicationHost.config to enable NTLM.
             if ((app.Server as ServerInformation) != null)
@@ -73,7 +71,7 @@ namespace ServerComparison.TestSites
                     }
                     else
                     {
-                        context.Response.Challenge();
+                        context.Authentication.Challenge();
                         return Task.FromResult(0);
                     }
                 }
diff --git a/test/ServerComparison.TestSites/project.json b/test/ServerComparison.TestSites/project.json
index ea0420a18c..54221edb94 100644
--- a/test/ServerComparison.TestSites/project.json
+++ b/test/ServerComparison.TestSites/project.json
@@ -4,8 +4,6 @@
 
   "dependencies": {
     "Kestrel": "1.0.0-*",
-    "Microsoft.AspNet.Diagnostics": "1.0.0-*",
-    "Microsoft.AspNet.Http.Core": "1.0.0-*",
     "Microsoft.AspNet.Server.IIS": "1.0.0-*",
     "Microsoft.AspNet.Server.WebListener": "1.0.0-*",
     "Microsoft.AspNet.WebUtilities": "1.0.0-*",