diff --git a/src/Microsoft.AspNet.Identity/project.json b/src/Microsoft.AspNet.Identity/project.json
index 317a386842..bf572f8ad3 100644
--- a/src/Microsoft.AspNet.Identity/project.json
+++ b/src/Microsoft.AspNet.Identity/project.json
@@ -6,16 +6,12 @@
     "Microsoft.AspNet.Security.DataProtection" : "0.1-alpha-*"
   },
   "configurations": {
-    "net45": {
-      "dependencies": {
-        "System.Runtime": "",
-        "System.Collections": ""
-      }
-    },
+    "net45": {},
     "k10": {
       "dependencies": {
         "System.Collections": "4.0.0.0",
         "System.ComponentModel": "4.0.0.0",
+        "System.Diagnostics.Debug": "4.0.10.0",
         "System.Diagnostics.Tools": "4.0.0.0",
         "System.Globalization": "4.0.10.0",
         "System.Linq": "4.0.0.0",