diff --git a/src/Microsoft.AspNet.Hosting/Internal/HostingEngine.cs b/src/Microsoft.AspNet.Hosting/Internal/HostingEngine.cs
index 4e175806e8..7bcad0328c 100644
--- a/src/Microsoft.AspNet.Hosting/Internal/HostingEngine.cs
+++ b/src/Microsoft.AspNet.Hosting/Internal/HostingEngine.cs
@@ -13,10 +13,10 @@ using Microsoft.AspNet.Hosting.Startup;
 using Microsoft.AspNet.Http;
 using Microsoft.AspNet.Http.Features;
 using Microsoft.AspNet.Server.Features;
-using Microsoft.Dnx.Runtime;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.PlatformAbstractions;
 
 namespace Microsoft.AspNet.Hosting.Internal
 {
diff --git a/src/Microsoft.AspNet.Hosting/Program.cs b/src/Microsoft.AspNet.Hosting/Program.cs
index c324b4e9c1..4715f818d5 100644
--- a/src/Microsoft.AspNet.Hosting/Program.cs
+++ b/src/Microsoft.AspNet.Hosting/Program.cs
@@ -5,10 +5,10 @@ using System;
 using Microsoft.AspNet.Http.Features;
 using Microsoft.AspNet.Server.Features;
 using Microsoft.Dnx.Compilation;
-using Microsoft.Dnx.Runtime;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.DependencyInjection.Extensions;
+using Microsoft.Extensions.PlatformAbstractions;
 
 namespace Microsoft.AspNet.Hosting
 {
diff --git a/src/Microsoft.AspNet.Hosting/Startup/StartupExceptionPage.cs b/src/Microsoft.AspNet.Hosting/Startup/StartupExceptionPage.cs
index 0f663b231e..adc9656f89 100644
--- a/src/Microsoft.AspNet.Hosting/Startup/StartupExceptionPage.cs
+++ b/src/Microsoft.AspNet.Hosting/Startup/StartupExceptionPage.cs
@@ -12,7 +12,7 @@ using System.Runtime.CompilerServices;
 using System.Runtime.ExceptionServices;
 using System.Text;
 using Microsoft.Dnx.Compilation;
-using Microsoft.Dnx.Runtime;
+using Microsoft.Extensions.PlatformAbstractions;
 using Microsoft.Extensions.WebEncoders;
 
 namespace Microsoft.AspNet.Hosting.Startup
diff --git a/src/Microsoft.AspNet.Hosting/WebHostBuilder.cs b/src/Microsoft.AspNet.Hosting/WebHostBuilder.cs
index 9467721720..55126d83b7 100644
--- a/src/Microsoft.AspNet.Hosting/WebHostBuilder.cs
+++ b/src/Microsoft.AspNet.Hosting/WebHostBuilder.cs
@@ -11,11 +11,11 @@ using Microsoft.AspNet.Hosting.Startup;
 using Microsoft.AspNet.Http;
 using Microsoft.AspNet.Http.Internal;
 using Microsoft.Dnx.Compilation;
-using Microsoft.Dnx.Runtime;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.DependencyInjection.Extensions;
 using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.PlatformAbstractions;
 
 namespace Microsoft.AspNet.Hosting
 {
diff --git a/test/Microsoft.AspNet.Hosting.Tests/Fakes/RuntimeEnvironment.cs b/test/Microsoft.AspNet.Hosting.Tests/Fakes/RuntimeEnvironment.cs
index 330ff30c29..ee180c4f01 100644
--- a/test/Microsoft.AspNet.Hosting.Tests/Fakes/RuntimeEnvironment.cs
+++ b/test/Microsoft.AspNet.Hosting.Tests/Fakes/RuntimeEnvironment.cs
@@ -1,7 +1,7 @@
 // Copyright (c) .NET Foundation. All rights reserved.
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
-using Microsoft.Dnx.Runtime;
+using Microsoft.Extensions.PlatformAbstractions;
 
 namespace Microsoft.AspNet.Hosting.Fakes
 {
diff --git a/test/Microsoft.AspNet.Hosting.Tests/HostingEngineTests.cs b/test/Microsoft.AspNet.Hosting.Tests/HostingEngineTests.cs
index afd3a1fc94..9467dba265 100644
--- a/test/Microsoft.AspNet.Hosting.Tests/HostingEngineTests.cs
+++ b/test/Microsoft.AspNet.Hosting.Tests/HostingEngineTests.cs
@@ -17,7 +17,6 @@ using Microsoft.AspNet.Http.Features;
 using Microsoft.AspNet.Http.Features.Internal;
 using Microsoft.AspNet.Server.Features;
 using Microsoft.AspNet.Testing.xunit;
-using Microsoft.Dnx.Runtime.Infrastructure;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Internal;
diff --git a/test/Microsoft.AspNet.Hosting.Tests/WebHostBuilderTests.cs b/test/Microsoft.AspNet.Hosting.Tests/WebHostBuilderTests.cs
index 078019aff5..d558dd40e3 100644
--- a/test/Microsoft.AspNet.Hosting.Tests/WebHostBuilderTests.cs
+++ b/test/Microsoft.AspNet.Hosting.Tests/WebHostBuilderTests.cs
@@ -10,7 +10,6 @@ using Microsoft.AspNet.Hosting.Internal;
 using Microsoft.AspNet.Hosting.Server;
 using Microsoft.AspNet.Http.Features;
 using Microsoft.AspNet.Http.Internal;
-using Microsoft.Dnx.Runtime.Infrastructure;
 using Microsoft.Extensions.Configuration;
 using Xunit;
 
diff --git a/test/Microsoft.AspNet.Hosting.Tests/project.json b/test/Microsoft.AspNet.Hosting.Tests/project.json
index 935b44acbd..504a10b0b4 100644
--- a/test/Microsoft.AspNet.Hosting.Tests/project.json
+++ b/test/Microsoft.AspNet.Hosting.Tests/project.json
@@ -4,7 +4,7 @@
         "Microsoft.AspNet.Owin": "1.0.0-*",
         "Microsoft.AspNet.Testing": "1.0.0-*",
         "Microsoft.Extensions.OptionsModel": "1.0.0-*",
-        "Microsoft.Dnx.Runtime.Abstractions": "1.0.0-*",
+        "Microsoft.Extensions.PlatformAbstractions": "1.0.0-*",
         "Moq": "4.2.1312.1622",
         "xunit.runner.aspnet": "2.0.0-aspnet-*"
     },