diff --git a/src/Microsoft.AspNetCore.Server.IIS/IISDefaults.cs b/src/Microsoft.AspNetCore.Server.IIS/IISServerDefaults.cs
similarity index 60%
rename from src/Microsoft.AspNetCore.Server.IIS/IISDefaults.cs
rename to src/Microsoft.AspNetCore.Server.IIS/IISServerDefaults.cs
index 5be4a086f8..5ac1296597 100644
--- a/src/Microsoft.AspNetCore.Server.IIS/IISDefaults.cs
+++ b/src/Microsoft.AspNetCore.Server.IIS/IISServerDefaults.cs
@@ -5,8 +5,6 @@ namespace Microsoft.AspNetCore.Server.IIS
 {
     public class IISServerDefaults
     {
-        public static readonly string AuthenticationScheme = "Windows";
-        public const string Negotiate = "Negotiate";
-        public const string Ntlm = "NTLM";
+        public const string AuthenticationScheme = "Windows";
     }
 }