diff --git a/src/Microsoft.AspNet.Identity.EntityFramework/IdentityEntityFrameworkServices.cs b/src/Microsoft.AspNet.Identity.EntityFramework/IdentityEntityFrameworkServices.cs
index 47f45870..84a39e1d 100644
--- a/src/Microsoft.AspNet.Identity.EntityFramework/IdentityEntityFrameworkServices.cs
+++ b/src/Microsoft.AspNet.Identity.EntityFramework/IdentityEntityFrameworkServices.cs
@@ -13,7 +13,7 @@ namespace Microsoft.AspNet.Identity
     /// </summary>
     public class IdentityEntityFrameworkServices
     {
-        public static IServiceCollection GetDefaultServices(Type userType, Type roleType, Type contextType, Type keyType = null, IConfiguration config = null)
+        public static IServiceCollection GetDefaultServices(Type userType, Type roleType, Type contextType, Type keyType = null)
         {
             Type userStoreType;
             Type roleStoreType;