diff --git a/src/Microsoft.AspNet.Hosting/AssemblyNeutralAttribute.cs b/src/Microsoft.AspNet.Hosting/AssemblyNeutralAttribute.cs
deleted file mode 100644
index 2191d5198d..0000000000
--- a/src/Microsoft.AspNet.Hosting/AssemblyNeutralAttribute.cs
+++ /dev/null
@@ -1,10 +0,0 @@
-using System;
-
-namespace Microsoft.Net.Runtime
-{
-    [AssemblyNeutral]
-    [AttributeUsage(AttributeTargets.All, Inherited = false, AllowMultiple = true)]
-    public sealed class AssemblyNeutralAttribute : Attribute
-    {
-    }
-}
diff --git a/src/Microsoft.AspNet.Hosting/IApplicationEnvironment.cs b/src/Microsoft.AspNet.Hosting/IApplicationEnvironment.cs
deleted file mode 100644
index 1c772bc835..0000000000
--- a/src/Microsoft.AspNet.Hosting/IApplicationEnvironment.cs
+++ /dev/null
@@ -1,14 +0,0 @@
-using System;
-using System.Runtime.Versioning;
-
-namespace Microsoft.Net.Runtime
-{
-    [AssemblyNeutral]
-    public interface IApplicationEnvironment
-    {
-        string ApplicationName { get; }
-        string Version { get; }
-        string ApplicationBasePath { get; }
-        FrameworkName TargetFramework { get; }
-    }
-}
\ No newline at end of file
diff --git a/src/Microsoft.AspNet.Hosting/Microsoft.AspNet.Hosting.kproj b/src/Microsoft.AspNet.Hosting/Microsoft.AspNet.Hosting.kproj
index 537d74ac2b..de22702e86 100644
--- a/src/Microsoft.AspNet.Hosting/Microsoft.AspNet.Hosting.kproj
+++ b/src/Microsoft.AspNet.Hosting/Microsoft.AspNet.Hosting.kproj
@@ -20,7 +20,6 @@
     <Content Include="Project.json" />
   </ItemGroup>
   <ItemGroup>
-    <Compile Include="AssemblyNeutralAttribute.cs" />
     <Compile Include="Builder\BuilderFactory.cs" />
     <Compile Include="Builder\HttpContextFactory.cs" />
     <Compile Include="Builder\IBuilderFactory.cs" />
@@ -28,7 +27,6 @@
     <Compile Include="HostingContext.cs" />
     <Compile Include="HostingEngine.cs" />
     <Compile Include="HostingServices.cs" />
-    <Compile Include="IApplicationEnvironment.cs" />
     <Compile Include="IHostingEngine.cs" />
     <Compile Include="PipelineInstance.cs" />
     <Compile Include="Program.cs" />
diff --git a/src/Microsoft.AspNet.Hosting/project.json b/src/Microsoft.AspNet.Hosting/project.json
index be245644fd..5181a9bdac 100644
--- a/src/Microsoft.AspNet.Hosting/project.json
+++ b/src/Microsoft.AspNet.Hosting/project.json
@@ -6,7 +6,8 @@
     "Microsoft.AspNet.PipelineCore": "0.1-alpha-*",
     "Microsoft.AspNet.Abstractions": "0.1-alpha-*",
     "Microsoft.AspNet.FeatureModel": "0.1-alpha-*",
-    "Microsoft.AspNet.Security.DataProtection": "0.1-alpha-*"
+    "Microsoft.AspNet.Security.DataProtection": "0.1-alpha-*",
+    "Microsoft.Net.Runtime.Interfaces":  "0.1-alpha-*"
   },
   "configurations": {
     "net45": {},