diff --git a/src/Microsoft.AspNet.Mvc.Core/HttpMethodConstraint.cs b/src/Microsoft.AspNet.Mvc.Core/HttpMethodConstraint.cs
index 3ee3da6cec..edabe282c8 100644
--- a/src/Microsoft.AspNet.Mvc.Core/HttpMethodConstraint.cs
+++ b/src/Microsoft.AspNet.Mvc.Core/HttpMethodConstraint.cs
@@ -5,7 +5,6 @@
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
 using System.Linq;
-using Microsoft.AspNet.Cors.Core;
 using Microsoft.Framework.Internal;
 
 namespace Microsoft.AspNet.Mvc
@@ -16,6 +15,10 @@ public class HttpMethodConstraint : IActionConstraint
 
         private readonly IReadOnlyList<string> _methods;
 
+        private readonly string OriginHeader = "Origin";
+        private readonly string AccessControlRequestMethod = "Access-Control-Request-Method";
+        private readonly string PreflightHttpMethod = "OPTIONS";
+
         // Empty collection means any method will be accepted.
         public HttpMethodConstraint([NotNull] IEnumerable<string> httpMethods)
         {
@@ -56,13 +59,13 @@ public bool Accept([NotNull] ActionConstraintContext context)
 
             var request = context.RouteContext.HttpContext.Request;
             var method = request.Method;
-            if (request.Headers.ContainsKey(CorsConstants.Origin))
+            if (request.Headers.ContainsKey(OriginHeader))
             {
                 // Update the http method if it is preflight request.
-                var accessControlRequestMethod = request.Headers.Get(CorsConstants.AccessControlRequestMethod);
+                var accessControlRequestMethod = request.Headers.Get(AccessControlRequestMethod);
                 if (string.Equals(
                         request.Method,
-                        CorsConstants.PreflightHttpMethod,
+                        PreflightHttpMethod,
                         StringComparison.Ordinal) &&
                     accessControlRequestMethod != null)
                 {
diff --git a/src/Microsoft.AspNet.Mvc.Core/MvcCoreServiceCollectionExtensions.cs b/src/Microsoft.AspNet.Mvc.Core/MvcCoreServiceCollectionExtensions.cs
index 11544de30b..1a8d82aa57 100644
--- a/src/Microsoft.AspNet.Mvc.Core/MvcCoreServiceCollectionExtensions.cs
+++ b/src/Microsoft.AspNet.Mvc.Core/MvcCoreServiceCollectionExtensions.cs
@@ -152,7 +152,6 @@ private static void ConfigureDefaultServices(IServiceCollection services)
         {
             services.AddOptions();
             services.AddRouting();
-            services.AddCors();
             services.AddNotifier();
             services.Configure<RouteOptions>(
                 routeOptions => routeOptions.ConstraintMap.Add("exists", typeof(KnownRouteValueConstraint)));
diff --git a/src/Microsoft.AspNet.Mvc.Core/project.json b/src/Microsoft.AspNet.Mvc.Core/project.json
index b4ccf7cb1f..2594448f38 100644
--- a/src/Microsoft.AspNet.Mvc.Core/project.json
+++ b/src/Microsoft.AspNet.Mvc.Core/project.json
@@ -5,8 +5,8 @@
         "warningsAsErrors": true
     },
     "dependencies": {
-        "Microsoft.AspNet.Cors.Core": "1.0.0-*",
         "Microsoft.AspNet.Hosting.Abstractions": "1.0.0-*",
+        "Microsoft.AspNet.Http": "1.0.0-*",
         "Microsoft.AspNet.Mvc.Abstractions": "6.0.0-*",
         "Microsoft.AspNet.Mvc.Common": { "version": "6.0.0-*", "type": "build" },
         "Microsoft.AspNet.WebUtilities": "1.0.0-*",