diff --git a/test/ServerComparison.TestSites/Program.cs b/test/ServerComparison.TestSites/Program.cs
index e8941b23dd..797a6d93ab 100644
--- a/test/ServerComparison.TestSites/Program.cs
+++ b/test/ServerComparison.TestSites/Program.cs
@@ -12,7 +12,7 @@ namespace ServerComparison.TestSites
             var host = new WebHostBuilder()
                 .UseServer("Microsoft.AspNetCore.Server.Kestrel")
                 .UseDefaultConfiguration(args)
-                .UseIISUrl()
+                .UseIIS()
                 .UseStartup("ServerComparison.TestSites")
                 .Build();
 
diff --git a/test/ServerComparison.TestSites/StartupNtlmAuthentication.cs b/test/ServerComparison.TestSites/StartupNtlmAuthentication.cs
index 383487e1f2..df1d0070bb 100644
--- a/test/ServerComparison.TestSites/StartupNtlmAuthentication.cs
+++ b/test/ServerComparison.TestSites/StartupNtlmAuthentication.cs
@@ -4,7 +4,6 @@
 using System;
 using Microsoft.AspNetCore.Builder;
 using Microsoft.AspNetCore.Http;
-using Microsoft.AspNetCore.Http.Features;
 using Microsoft.Extensions.Logging;
 using Microsoft.Net.Http.Server;
 
@@ -55,10 +54,6 @@ namespace ServerComparison.TestSites
                 listener.AuthenticationManager.AuthenticationSchemes =
                     AuthenticationSchemes.Negotiate | AuthenticationSchemes.NTLM | AuthenticationSchemes.AllowAnonymous;
             }
-            else
-            {
-                app.UseIIS();
-            }
 
             app.Use((context, next) => 
             {