diff --git a/src/Microsoft.AspNet.Identity/IdentityServiceCollectionExtensions.cs b/src/Microsoft.AspNet.Identity/IdentityServiceCollectionExtensions.cs
index 320d545ab8..c3f60840e2 100644
--- a/src/Microsoft.AspNet.Identity/IdentityServiceCollectionExtensions.cs
+++ b/src/Microsoft.AspNet.Identity/IdentityServiceCollectionExtensions.cs
@@ -2,7 +2,6 @@
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
 using System;
-using Microsoft.AspNet.Hosting;
 using Microsoft.AspNet.Http;
 using Microsoft.AspNet.Identity;
 using Microsoft.AspNet.Authentication;
diff --git a/src/Microsoft.AspNet.Identity/project.json b/src/Microsoft.AspNet.Identity/project.json
index 47b545a47c..89163abea1 100644
--- a/src/Microsoft.AspNet.Identity/project.json
+++ b/src/Microsoft.AspNet.Identity/project.json
@@ -7,31 +7,20 @@
   "dependencies": {
     "Microsoft.AspNet.Authentication.Cookies": "1.0.0-*",
     "Microsoft.AspNet.Cryptography.KeyDerivation": "1.0.0-*",
-    "Microsoft.AspNet.DataProtection": "1.0.0-*",
     "Microsoft.AspNet.Hosting.Abstractions" : "1.0.0-*"
   },
   "frameworks": {
     "dnx451": {},
     "dnxcore50": {
       "dependencies": {
-        "System.Collections": "4.0.11-beta-*",
         "System.ComponentModel": "4.0.1-beta-*",
         "System.Diagnostics.Debug": "4.0.11-beta-*",
         "System.Diagnostics.Tools": "4.0.1-beta-*",
-        "System.Globalization": "4.0.11-beta-*",
         "System.Globalization.Extensions": "4.0.1-beta-*",
         "System.Linq.Expressions": "4.0.11-beta-*",
         "System.Linq.Queryable": "4.0.1-beta-*",
-        "System.Net.Primitives": "4.0.11-beta-*",
-        "System.Reflection": "4.0.11-beta-*",
-        "System.Resources.ResourceManager": "4.0.1-beta-*",
-        "System.Runtime": "4.0.21-beta-*",
-        "System.Security.Claims": "4.0.1-beta-*",
-        "System.Security.Cryptography.Hashing": "4.0.0-beta-*",
-        "System.Security.Principal": "4.0.1-beta-*",
         "System.Text.Encoding": "4.0.11-beta-*",
-        "System.Text.RegularExpressions": "4.0.11-beta-*",
-        "System.Threading.Tasks": "4.0.11-beta-*"
+        "System.Text.RegularExpressions": "4.0.11-beta-*"
       }
     }
   }