diff --git a/src/Microsoft.AspNet.Identity.EntityFramework/IdentityEntityFrameworkServices.cs b/src/Microsoft.AspNet.Identity.EntityFramework/IdentityEntityFrameworkServices.cs
index c01ab1c1cb..50797c7aa5 100644
--- a/src/Microsoft.AspNet.Identity.EntityFramework/IdentityEntityFrameworkServices.cs
+++ b/src/Microsoft.AspNet.Identity.EntityFramework/IdentityEntityFrameworkServices.cs
@@ -2,10 +2,9 @@
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
 using System;
-using System.Collections.Generic;
+using Microsoft.AspNet.Identity.EntityFramework;
 using Microsoft.Framework.ConfigurationModel;
 using Microsoft.Framework.DependencyInjection;
-using Microsoft.AspNet.Identity.EntityFramework;
 
 namespace Microsoft.AspNet.Identity
 {
@@ -14,17 +13,8 @@ namespace Microsoft.AspNet.Identity
     /// </summary>
     public class IdentityEntityFrameworkServices
     {
-        public static IEnumerable<IServiceDescriptor> 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, IConfiguration config = null)
         {
-            ServiceDescriber describe;
-            if (config == null)
-            {
-                describe = new ServiceDescriber();
-            }
-            else
-            {
-                describe = new ServiceDescriber(config);
-            }
             Type userStoreType;
             Type roleStoreType;
             if (keyType != null)
@@ -38,12 +28,14 @@ namespace Microsoft.AspNet.Identity
                 roleStoreType = typeof(RoleStore<,>).MakeGenericType(roleType, contextType);
             }
 
-            yield return describe.Scoped(
+            var services = new ServiceCollection();
+            services.AddScoped(
                 typeof(IUserStore<>).MakeGenericType(userType),
                 userStoreType);
-            yield return describe.Scoped(
+            services.AddScoped(
                 typeof(IRoleStore<>).MakeGenericType(roleType),
                 roleStoreType);
+            return services;
         }
     }
 }
\ No newline at end of file
diff --git a/src/Microsoft.AspNet.Identity/IdentityServiceCollectionExtensions.cs b/src/Microsoft.AspNet.Identity/IdentityServiceCollectionExtensions.cs
index 3e3736e4bd..83045c3318 100644
--- a/src/Microsoft.AspNet.Identity/IdentityServiceCollectionExtensions.cs
+++ b/src/Microsoft.AspNet.Identity/IdentityServiceCollectionExtensions.cs
@@ -48,27 +48,25 @@ namespace Microsoft.Framework.DependencyInjection
                 }
                 services.Configure<IdentityOptions>(identityConfig);
             }
-            var describe = new ServiceDescriber(identityConfig);
-
             // Services used by identity
-            services.AddOptions(identityConfig);
-            services.AddDataProtection(identityConfig);
-            services.AddLogging(identityConfig);
-            services.TryAdd(describe.Singleton<IHttpContextAccessor, HttpContextAccessor>());
+            services.AddOptions();
+            services.AddDataProtection();
+            services.AddLogging();
+            services.TryAdd(ServiceDescriptor.Singleton<IHttpContextAccessor, HttpContextAccessor>());
 
             // Identity services
-            services.TryAdd(describe.Transient<IUserValidator<TUser>, UserValidator<TUser>>());
-            services.TryAdd(describe.Transient<IPasswordValidator<TUser>, PasswordValidator<TUser>>());
-            services.TryAdd(describe.Transient<IPasswordHasher<TUser>, PasswordHasher<TUser>>());
-            services.TryAdd(describe.Transient<ILookupNormalizer, UpperInvariantLookupNormalizer>());
-            services.TryAdd(describe.Transient<IRoleValidator<TRole>, RoleValidator<TRole>>());
+            services.TryAdd(ServiceDescriptor.Transient<IUserValidator<TUser>, UserValidator<TUser>>());
+            services.TryAdd(ServiceDescriptor.Transient<IPasswordValidator<TUser>, PasswordValidator<TUser>>());
+            services.TryAdd(ServiceDescriptor.Transient<IPasswordHasher<TUser>, PasswordHasher<TUser>>());
+            services.TryAdd(ServiceDescriptor.Transient<ILookupNormalizer, UpperInvariantLookupNormalizer>());
+            services.TryAdd(ServiceDescriptor.Transient<IRoleValidator<TRole>, RoleValidator<TRole>>());
             // No interface for the error describer so we can add errors without rev'ing the interface
-            services.TryAdd(describe.Transient<IdentityErrorDescriber, IdentityErrorDescriber>());
-            services.TryAdd(describe.Scoped<ISecurityStampValidator, SecurityStampValidator<TUser>>());
-            services.TryAdd(describe.Scoped<IUserClaimsPrincipalFactory<TUser>, UserClaimsPrincipalFactory<TUser, TRole>>());
-            services.TryAdd(describe.Scoped<UserManager<TUser>, UserManager<TUser>>());
-            services.TryAdd(describe.Scoped<SignInManager<TUser>, SignInManager<TUser>>());
-            services.TryAdd(describe.Scoped<RoleManager<TRole>, RoleManager<TRole>>());
+            services.TryAdd(ServiceDescriptor.Transient<IdentityErrorDescriber, IdentityErrorDescriber>());
+            services.TryAdd(ServiceDescriptor.Scoped<ISecurityStampValidator, SecurityStampValidator<TUser>>());
+            services.TryAdd(ServiceDescriptor.Scoped<IUserClaimsPrincipalFactory<TUser>, UserClaimsPrincipalFactory<TUser, TRole>>());
+            services.TryAdd(ServiceDescriptor.Scoped<UserManager<TUser>, UserManager<TUser>>());
+            services.TryAdd(ServiceDescriptor.Scoped<SignInManager<TUser>, SignInManager<TUser>>());
+            services.TryAdd(ServiceDescriptor.Scoped<RoleManager<TRole>, RoleManager<TRole>>());
 
             if (configureOptions != null)
             {
diff --git a/test/Microsoft.AspNet.Identity.EntityFramework.InMemory.Test/RoleStoreTest.cs b/test/Microsoft.AspNet.Identity.EntityFramework.InMemory.Test/RoleStoreTest.cs
index ea1f2dbf16..1ef2f46fd6 100644
--- a/test/Microsoft.AspNet.Identity.EntityFramework.InMemory.Test/RoleStoreTest.cs
+++ b/test/Microsoft.AspNet.Identity.EntityFramework.InMemory.Test/RoleStoreTest.cs
@@ -5,8 +5,6 @@ using System;
 using System.Threading.Tasks;
 using Microsoft.AspNet.Identity.Test;
 using Microsoft.Framework.DependencyInjection;
-using Microsoft.Framework.DependencyInjection.Fallback;
-using Microsoft.Framework.Logging;
 using Xunit;
 
 namespace Microsoft.AspNet.Identity.EntityFramework.InMemory.Test
diff --git a/test/Microsoft.AspNet.Identity.EntityFramework.InMemory.Test/TestIdentityFactory.cs b/test/Microsoft.AspNet.Identity.EntityFramework.InMemory.Test/TestIdentityFactory.cs
index 5e4a8ef137..4eaf724a1b 100644
--- a/test/Microsoft.AspNet.Identity.EntityFramework.InMemory.Test/TestIdentityFactory.cs
+++ b/test/Microsoft.AspNet.Identity.EntityFramework.InMemory.Test/TestIdentityFactory.cs
@@ -2,7 +2,6 @@
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
 using Microsoft.Framework.DependencyInjection;
-using Microsoft.Framework.DependencyInjection.Fallback;
 
 namespace Microsoft.AspNet.Identity.EntityFramework.InMemory.Test
 {
diff --git a/test/Microsoft.AspNet.Identity.EntityFramework.Test/DbUtil.cs b/test/Microsoft.AspNet.Identity.EntityFramework.Test/DbUtil.cs
index 75b15d935c..59982a831c 100644
--- a/test/Microsoft.AspNet.Identity.EntityFramework.Test/DbUtil.cs
+++ b/test/Microsoft.AspNet.Identity.EntityFramework.Test/DbUtil.cs
@@ -1,10 +1,8 @@
 // Copyright (c) Microsoft Open Technologies, Inc. All rights reserved.
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
-using Microsoft.AspNet.Hosting;
 using Microsoft.Data.Entity;
 using Microsoft.Framework.DependencyInjection;
-using Microsoft.Framework.DependencyInjection.Fallback;
 using Xunit;
 
 namespace Microsoft.AspNet.Identity.EntityFramework.Test
diff --git a/test/Microsoft.AspNet.Identity.EntityFramework.Test/DefaultPocoTest.cs b/test/Microsoft.AspNet.Identity.EntityFramework.Test/DefaultPocoTest.cs
index c904870754..27c8a3eba6 100644
--- a/test/Microsoft.AspNet.Identity.EntityFramework.Test/DefaultPocoTest.cs
+++ b/test/Microsoft.AspNet.Identity.EntityFramework.Test/DefaultPocoTest.cs
@@ -6,10 +6,8 @@ using System.Threading.Tasks;
 using Microsoft.AspNet.Builder;
 using Microsoft.AspNet.Identity.Test;
 using Microsoft.Framework.DependencyInjection;
-using Microsoft.Framework.DependencyInjection.Fallback;
-using Microsoft.AspNet.DataProtection;
-using Xunit;
 using Microsoft.Framework.Runtime.Infrastructure;
+using Xunit;
 
 namespace Microsoft.AspNet.Identity.EntityFramework.Test
 {
diff --git a/test/Microsoft.AspNet.Identity.EntityFramework.Test/UserStoreTest.cs b/test/Microsoft.AspNet.Identity.EntityFramework.Test/UserStoreTest.cs
index 689d927dac..02d42120d7 100644
--- a/test/Microsoft.AspNet.Identity.EntityFramework.Test/UserStoreTest.cs
+++ b/test/Microsoft.AspNet.Identity.EntityFramework.Test/UserStoreTest.cs
@@ -3,18 +3,13 @@
 
 using System;
 using System.Linq;
-using System.Security.Claims;
 using System.Threading.Tasks;
 using Microsoft.AspNet.Builder;
-using Microsoft.AspNet.Hosting;
 using Microsoft.AspNet.Identity.Test;
 using Microsoft.Data.Entity;
 using Microsoft.Framework.DependencyInjection;
-using Microsoft.Framework.DependencyInjection.Fallback;
-using Microsoft.Framework.Logging;
-using Microsoft.AspNet.DataProtection;
-using Xunit;
 using Microsoft.Framework.Runtime.Infrastructure;
+using Xunit;
 
 namespace Microsoft.AspNet.Identity.EntityFramework.Test
 {
diff --git a/test/Microsoft.AspNet.Identity.Test/IdentityBuilderTest.cs b/test/Microsoft.AspNet.Identity.Test/IdentityBuilderTest.cs
index 2032a40778..d58f558fad 100644
--- a/test/Microsoft.AspNet.Identity.Test/IdentityBuilderTest.cs
+++ b/test/Microsoft.AspNet.Identity.Test/IdentityBuilderTest.cs
@@ -1,16 +1,13 @@
 // Copyright (c) Microsoft Open Technologies, Inc. All rights reserved.
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
-using Microsoft.Framework.DependencyInjection;
-using Microsoft.Framework.DependencyInjection.Fallback;
-using Microsoft.Framework.OptionsModel;
-using System.Collections.Generic;
-using Xunit;
 using System;
+using System.Collections.Generic;
+using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
-using System.Linq;
-using Microsoft.Framework.Logging;
+using Microsoft.Framework.DependencyInjection;
+using Xunit;
 
 namespace Microsoft.AspNet.Identity.Test
 {
diff --git a/test/Microsoft.AspNet.Identity.Test/IdentityOptionsTest.cs b/test/Microsoft.AspNet.Identity.Test/IdentityOptionsTest.cs
index 823d0c639c..d95decf21b 100644
--- a/test/Microsoft.AspNet.Identity.Test/IdentityOptionsTest.cs
+++ b/test/Microsoft.AspNet.Identity.Test/IdentityOptionsTest.cs
@@ -7,7 +7,6 @@ using System.Security.Claims;
 using Microsoft.AspNet.Builder;
 using Microsoft.Framework.ConfigurationModel;
 using Microsoft.Framework.DependencyInjection;
-using Microsoft.Framework.DependencyInjection.Fallback;
 using Microsoft.Framework.OptionsModel;
 using Microsoft.Framework.Runtime.Infrastructure;
 using Xunit;
diff --git a/test/Microsoft.AspNet.Identity.Test/SecurityStampValidatorTest.cs b/test/Microsoft.AspNet.Identity.Test/SecurityStampValidatorTest.cs
index 59836eb219..976d5b2b72 100644
--- a/test/Microsoft.AspNet.Identity.Test/SecurityStampValidatorTest.cs
+++ b/test/Microsoft.AspNet.Identity.Test/SecurityStampValidatorTest.cs
@@ -10,7 +10,6 @@ using Microsoft.AspNet.Hosting;
 using Microsoft.AspNet.Http;
 using Microsoft.AspNet.Http.Authentication;
 using Microsoft.Framework.DependencyInjection;
-using Microsoft.Framework.DependencyInjection.Fallback;
 using Microsoft.Framework.OptionsModel;
 using Moq;
 using Xunit;
diff --git a/test/Microsoft.AspNet.Identity.Test/UserManagerTest.cs b/test/Microsoft.AspNet.Identity.Test/UserManagerTest.cs
index a129b28d58..ddbb38eabb 100644
--- a/test/Microsoft.AspNet.Identity.Test/UserManagerTest.cs
+++ b/test/Microsoft.AspNet.Identity.Test/UserManagerTest.cs
@@ -8,7 +8,6 @@ using System.Security.Claims;
 using System.Threading;
 using System.Threading.Tasks;
 using Microsoft.Framework.DependencyInjection;
-using Microsoft.Framework.DependencyInjection.Fallback;
 using Moq;
 using Xunit;
 
diff --git a/test/Shared/UserManagerTestBase.cs b/test/Shared/UserManagerTestBase.cs
index ba5d6228af..a72112e538 100644
--- a/test/Shared/UserManagerTestBase.cs
+++ b/test/Shared/UserManagerTestBase.cs
@@ -5,11 +5,9 @@ using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Security.Claims;
-using System.Threading;
 using System.Threading.Tasks;
 using Microsoft.AspNet.Testing;
 using Microsoft.Framework.DependencyInjection;
-using Microsoft.Framework.DependencyInjection.Fallback;
 using Microsoft.Framework.Logging;
 using Xunit;