diff --git a/src/Microsoft.AspNet.Mvc.Core/ActionResults/FilePathResult.cs b/src/Microsoft.AspNet.Mvc.Core/ActionResults/FilePathResult.cs
index 48cbfe4136..5ea501cd90 100644
--- a/src/Microsoft.AspNet.Mvc.Core/ActionResults/FilePathResult.cs
+++ b/src/Microsoft.AspNet.Mvc.Core/ActionResults/FilePathResult.cs
@@ -8,7 +8,6 @@ using System.Threading.Tasks;
 using Microsoft.AspNet.FileProviders;
 using Microsoft.AspNet.Hosting;
 using Microsoft.AspNet.Http;
-using Microsoft.AspNet.Http.Interfaces;
 using Microsoft.AspNet.Mvc.Core;
 using Microsoft.Framework.DependencyInjection;
 using Microsoft.Framework.Internal;
diff --git a/src/Microsoft.AspNet.Mvc.WebApiCompatShim/Formatters/HttpResponseMessageOutputFormatter.cs b/src/Microsoft.AspNet.Mvc.WebApiCompatShim/Formatters/HttpResponseMessageOutputFormatter.cs
index 154b2100cb..30fe78acd4 100644
--- a/src/Microsoft.AspNet.Mvc.WebApiCompatShim/Formatters/HttpResponseMessageOutputFormatter.cs
+++ b/src/Microsoft.AspNet.Mvc.WebApiCompatShim/Formatters/HttpResponseMessageOutputFormatter.cs
@@ -6,7 +6,7 @@ using System.Collections.Generic;
 using System.Linq;
 using System.Net.Http;
 using System.Threading.Tasks;
-using Microsoft.AspNet.Http.Interfaces;
+using Microsoft.AspNet.Http;
 using Microsoft.Net.Http.Headers;
 
 namespace Microsoft.AspNet.Mvc.WebApiCompatShim
diff --git a/test/Microsoft.AspNet.Mvc.Core.Test/ActionResults/FilePathResultTest.cs b/test/Microsoft.AspNet.Mvc.Core.Test/ActionResults/FilePathResultTest.cs
index 0f0690cdeb..1089903a9c 100644
--- a/test/Microsoft.AspNet.Mvc.Core.Test/ActionResults/FilePathResultTest.cs
+++ b/test/Microsoft.AspNet.Mvc.Core.Test/ActionResults/FilePathResultTest.cs
@@ -7,7 +7,7 @@ using System.Threading.Tasks;
 using Microsoft.AspNet.FileProviders;
 using Microsoft.AspNet.Hosting;
 using Microsoft.AspNet.Http.Core;
-using Microsoft.AspNet.Http.Interfaces;
+using Microsoft.AspNet.Http;
 using Microsoft.AspNet.Routing;
 using Microsoft.Framework.DependencyInjection;
 using Moq;
diff --git a/test/WebSites/FilesWebSite/SendFileMiddleware.cs b/test/WebSites/FilesWebSite/SendFileMiddleware.cs
index 13aa99dbcb..9e6dc8d6c9 100644
--- a/test/WebSites/FilesWebSite/SendFileMiddleware.cs
+++ b/test/WebSites/FilesWebSite/SendFileMiddleware.cs
@@ -6,7 +6,6 @@ using System.Threading;
 using System.Threading.Tasks;
 using Microsoft.AspNet.Builder;
 using Microsoft.AspNet.Http;
-using Microsoft.AspNet.Http.Interfaces;
 using Microsoft.Framework.Runtime;
 
 namespace FilesWebSite