diff --git a/samples/ConsoleApp/project.json.140508133553.bak b/samples/ConsoleApp/project.json.140508133553.bak
deleted file mode 100644
index 9673200c47..0000000000
--- a/samples/ConsoleApp/project.json.140508133553.bak
+++ /dev/null
@@ -1,9 +0,0 @@
-{
-  "dependencies" : {
-         "System.Console": "4.0.0.0"
-   },
-   "configurations":  {
-     "net45" : {},
-     "k10": {}
-   }
- }
\ No newline at end of file
diff --git a/samples/HelloWeb/project.json.140508133915.bak b/samples/HelloWeb/project.json.140508133915.bak
deleted file mode 100644
index bb65e51812..0000000000
--- a/samples/HelloWeb/project.json.140508133915.bak
+++ /dev/null
@@ -1,16 +0,0 @@
-{
-  "version": "0.1-alpha-*",
-  "dependencies": {
-    "Microsoft.AspNet.Hosting": "0.1-alpha-*",
-    "Microsoft.AspNet.Server.WebListener": "0.1-alpha-*",
-    "Microsoft.AspNet.Diagnostics": "0.1-alpha-*",
-    "Microsoft.AspNet.StaticFiles": "0.1-alpha-*"
-  },
-  "commands": { "web": "Microsoft.AspNet.Hosting server.name=Microsoft.AspNet.Server.WebListener server.urls=http://localhost:5001" },
-  "configurations": {
-    "net45": {
-    },
-    "k10": {
-    }
-  }
-}
\ No newline at end of file
diff --git a/samples/HelloWebFx/Startup.cs b/samples/HelloWebFx/Startup.cs
index 2ffd59f6bb..48c8095a06 100644
--- a/samples/HelloWebFx/Startup.cs
+++ b/samples/HelloWebFx/Startup.cs
@@ -15,10 +15,7 @@ namespace KWebStartup
                 services.AddMvc();
             });
 
-            app.UseMvc(routes =>
-            {
-                routes.MapRoute(null, "{controller}/{action}", new { controller = "Home", action = "Index" });
-            });
+            app.UseMvc();
 
             app.UseWelcomePage();
         }       
diff --git a/samples/HelloWebFx/project.json.140508133950.bak b/samples/HelloWebFx/project.json.140508133950.bak
deleted file mode 100644
index dfd154a136..0000000000
--- a/samples/HelloWebFx/project.json.140508133950.bak
+++ /dev/null
@@ -1,19 +0,0 @@
-{
-  "version": "0.1-alpha-*",
-  "dependencies": {
-    "Microsoft.AspNet.Hosting": "0.1-alpha-*",
-    "Microsoft.AspNet.Server.WebListener": "0.1-alpha-*",
-    "Microsoft.AspNet.Mvc": "0.1-alpha-*",
-    "Microsoft.AspNet.Diagnostics": "0.1-alpha-*"
-  },
-  "commands": { "web": "Microsoft.AspNet.Hosting server.name=Microsoft.AspNet.Server.WebListener server.urls=http://localhost:5001" },
-  "configurations": {
-    "net45": {
-      "dependencies": {
-        "System.Runtime":"",
-        "System.ComponentModel.DataAnnotations": ""
-      }
-    },
-    "k10": {}
-  }
-}
\ No newline at end of file