diff --git a/samples/MvcSandbox/Startup.cs b/samples/MvcSandbox/Startup.cs
index 8e8e822946..d7f3fcafdf 100644
--- a/samples/MvcSandbox/Startup.cs
+++ b/samples/MvcSandbox/Startup.cs
@@ -14,9 +14,6 @@ namespace MvcSandbox
         public void ConfigureServices(IServiceCollection services)
         {
             services.AddMvc();
-#if DNX451
-            services.AddMvcDnx();
-#endif
         }
 
         // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
diff --git a/samples/MvcSandbox/project.json b/samples/MvcSandbox/project.json
index e486dc7cfe..a278b1640f 100644
--- a/samples/MvcSandbox/project.json
+++ b/samples/MvcSandbox/project.json
@@ -21,12 +21,6 @@
     "dotnet-razor-tooling": "1.0.0-*"
   },
   "frameworks": {
-    "dnx451": {
-      "dependencies": {
-        "Microsoft.AspNetCore.Mvc.Dnx": "1.0.0-*",
-        "System.Runtime": "4.1.0-*"
-      }
-    },
     "net451": { },
     "netstandardapp1.5": {
       "imports": [
diff --git a/src/Microsoft.AspNetCore.Mvc.ApiExplorer/DefaultApiDescriptionProvider.cs b/src/Microsoft.AspNetCore.Mvc.ApiExplorer/DefaultApiDescriptionProvider.cs
index dcab0a3d8c..1186588832 100644
--- a/src/Microsoft.AspNetCore.Mvc.ApiExplorer/DefaultApiDescriptionProvider.cs
+++ b/src/Microsoft.AspNetCore.Mvc.ApiExplorer/DefaultApiDescriptionProvider.cs
@@ -4,7 +4,7 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
-#if NETSTANDARD1_3
+#if NETSTANDARD1_5
 using System.Reflection;
 #endif
 using System.Threading.Tasks;
diff --git a/src/Microsoft.AspNetCore.Mvc.ApiExplorer/project.json b/src/Microsoft.AspNetCore.Mvc.ApiExplorer/project.json
index 35eb91f76b..a51c11165c 100644
--- a/src/Microsoft.AspNetCore.Mvc.ApiExplorer/project.json
+++ b/src/Microsoft.AspNetCore.Mvc.ApiExplorer/project.json
@@ -26,9 +26,9 @@
   },
   "frameworks": {
     "net451": {},
-    "netstandard1.3": {
+    "netstandard1.5": {
       "imports": [
-        "dotnet5.4",
+        "dotnet5.6",
         "portable-net451+win8"
       ]
     }
diff --git a/src/Microsoft.AspNetCore.Mvc.Core/BindAttribute.cs b/src/Microsoft.AspNetCore.Mvc.Core/BindAttribute.cs
index 43921f94ee..6ccdc8c8fe 100644
--- a/src/Microsoft.AspNetCore.Mvc.Core/BindAttribute.cs
+++ b/src/Microsoft.AspNetCore.Mvc.Core/BindAttribute.cs
@@ -4,7 +4,7 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
-#if NETSTANDARD1_3
+#if NETSTANDARD1_5
 using System.Reflection;
 #endif
 using Microsoft.AspNetCore.Mvc.Core;
diff --git a/src/Microsoft.AspNetCore.Mvc.Core/Filters/FilterCollection.cs b/src/Microsoft.AspNetCore.Mvc.Core/Filters/FilterCollection.cs
index 08243af1be..ed5e7aba35 100644
--- a/src/Microsoft.AspNetCore.Mvc.Core/Filters/FilterCollection.cs
+++ b/src/Microsoft.AspNetCore.Mvc.Core/Filters/FilterCollection.cs
@@ -3,7 +3,7 @@
 
 using System;
 using System.Collections.ObjectModel;
-#if NETSTANDARD1_3
+#if NETSTANDARD1_5
 using System.Reflection;
 #endif
 using Microsoft.AspNetCore.Mvc.Core;
diff --git a/src/Microsoft.AspNetCore.Mvc.Core/Internal/ControllerActionInvoker.cs b/src/Microsoft.AspNetCore.Mvc.Core/Internal/ControllerActionInvoker.cs
index c81b3b7996..fb9c0352b4 100644
--- a/src/Microsoft.AspNetCore.Mvc.Core/Internal/ControllerActionInvoker.cs
+++ b/src/Microsoft.AspNetCore.Mvc.Core/Internal/ControllerActionInvoker.cs
@@ -4,7 +4,7 @@
 using System;
 using System.Collections.Generic;
 using System.Diagnostics;
-#if NETSTANDARD1_3
+#if NETSTANDARD1_5
 using System.Reflection;
 #endif
 using System.Threading.Tasks;
diff --git a/src/Microsoft.AspNetCore.Mvc.Core/ModelBinding/DictionaryModelBinder.cs b/src/Microsoft.AspNetCore.Mvc.Core/ModelBinding/DictionaryModelBinder.cs
index 419b242d14..cfd75211d8 100644
--- a/src/Microsoft.AspNetCore.Mvc.Core/ModelBinding/DictionaryModelBinder.cs
+++ b/src/Microsoft.AspNetCore.Mvc.Core/ModelBinding/DictionaryModelBinder.cs
@@ -5,7 +5,7 @@ using System;
 using System.Collections.Generic;
 using System.Diagnostics;
 using System.Linq;
-#if NETSTANDARD1_3
+#if NETSTANDARD1_5
 using System.Reflection;
 #endif
 using System.Threading.Tasks;
diff --git a/src/Microsoft.AspNetCore.Mvc.Core/ModelBinding/FormFileModelBinder.cs b/src/Microsoft.AspNetCore.Mvc.Core/ModelBinding/FormFileModelBinder.cs
index 7387fc6a7b..2261104e4e 100644
--- a/src/Microsoft.AspNetCore.Mvc.Core/ModelBinding/FormFileModelBinder.cs
+++ b/src/Microsoft.AspNetCore.Mvc.Core/ModelBinding/FormFileModelBinder.cs
@@ -6,7 +6,7 @@ using System.Collections.Generic;
 using System.Collections.ObjectModel;
 using System.Diagnostics;
 using System.Linq;
-#if NETSTANDARD1_3
+#if NETSTANDARD1_5
 using System.Reflection;
 #endif
 using System.Threading.Tasks;
diff --git a/src/Microsoft.AspNetCore.Mvc.Core/ModelBinding/GenericModelBinder.cs b/src/Microsoft.AspNetCore.Mvc.Core/ModelBinding/GenericModelBinder.cs
index 70b75cd708..81fffd95db 100644
--- a/src/Microsoft.AspNetCore.Mvc.Core/ModelBinding/GenericModelBinder.cs
+++ b/src/Microsoft.AspNetCore.Mvc.Core/ModelBinding/GenericModelBinder.cs
@@ -4,7 +4,7 @@
 using System;
 using System.Collections.Generic;
 using System.Diagnostics;
-#if NETSTANDARD1_3
+#if NETSTANDARD1_5
 using System.Reflection;
 #endif
 using System.Threading.Tasks;
diff --git a/src/Microsoft.AspNetCore.Mvc.Core/ModelBinding/HeaderModelBinder.cs b/src/Microsoft.AspNetCore.Mvc.Core/ModelBinding/HeaderModelBinder.cs
index 72655a9595..467ae469be 100644
--- a/src/Microsoft.AspNetCore.Mvc.Core/ModelBinding/HeaderModelBinder.cs
+++ b/src/Microsoft.AspNetCore.Mvc.Core/ModelBinding/HeaderModelBinder.cs
@@ -2,7 +2,7 @@
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
 using System;
-#if NETSTANDARD1_3
+#if NETSTANDARD1_5
 using System.Reflection;
 #endif
 using System.Threading.Tasks;
diff --git a/src/Microsoft.AspNetCore.Mvc.Core/project.json b/src/Microsoft.AspNetCore.Mvc.Core/project.json
index 1f58114cf3..7cd2edb63c 100644
--- a/src/Microsoft.AspNetCore.Mvc.Core/project.json
+++ b/src/Microsoft.AspNetCore.Mvc.Core/project.json
@@ -52,9 +52,9 @@
   },
   "frameworks": {
     "net451": { },
-    "netstandard1.3": {
+    "netstandard1.5": {
       "imports": [
-        "dotnet5.4",
+        "dotnet5.6",
         "portable-net451+win8"
       ],
       "dependencies": {
diff --git a/src/Microsoft.AspNetCore.Mvc.Cors/project.json b/src/Microsoft.AspNetCore.Mvc.Cors/project.json
index 1fd7a7c434..8ae4282743 100644
--- a/src/Microsoft.AspNetCore.Mvc.Cors/project.json
+++ b/src/Microsoft.AspNetCore.Mvc.Cors/project.json
@@ -19,9 +19,9 @@
   },
   "frameworks": {
     "net451": {},
-    "netstandard1.3": {
+    "netstandard1.5": {
       "imports": [
-        "dotnet5.4",
+        "dotnet5.6",
         "portable-net451+win8"
       ]
     }
diff --git a/src/Microsoft.AspNetCore.Mvc.DataAnnotations/Internal/DataAnnotationsModelValidatorProvider.cs b/src/Microsoft.AspNetCore.Mvc.DataAnnotations/Internal/DataAnnotationsModelValidatorProvider.cs
index 60bcabf11a..5bde1f9234 100644
--- a/src/Microsoft.AspNetCore.Mvc.DataAnnotations/Internal/DataAnnotationsModelValidatorProvider.cs
+++ b/src/Microsoft.AspNetCore.Mvc.DataAnnotations/Internal/DataAnnotationsModelValidatorProvider.cs
@@ -3,7 +3,7 @@
 
 using System;
 using System.ComponentModel.DataAnnotations;
-#if NETSTANDARD1_3
+#if NETSTANDARD1_5
 using System.Reflection;
 #endif
 using Microsoft.AspNetCore.Mvc.ModelBinding.Validation;
diff --git a/src/Microsoft.AspNetCore.Mvc.DataAnnotations/project.json b/src/Microsoft.AspNetCore.Mvc.DataAnnotations/project.json
index a6ca43378f..f98da28d5c 100644
--- a/src/Microsoft.AspNetCore.Mvc.DataAnnotations/project.json
+++ b/src/Microsoft.AspNetCore.Mvc.DataAnnotations/project.json
@@ -31,9 +31,9 @@
         "System.ComponentModel.DataAnnotations": ""
       }
     },
-    "netstandard1.3": {
+    "netstandard1.5": {
       "imports": [
-        "dotnet5.4",
+        "dotnet5.6",
         "portable-net451+win8"
       ],
       "dependencies": {
diff --git a/src/Microsoft.AspNetCore.Mvc.Formatters.Json/project.json b/src/Microsoft.AspNetCore.Mvc.Formatters.Json/project.json
index d7027d2b4e..e861557495 100644
--- a/src/Microsoft.AspNetCore.Mvc.Formatters.Json/project.json
+++ b/src/Microsoft.AspNetCore.Mvc.Formatters.Json/project.json
@@ -23,9 +23,9 @@
   },
   "frameworks": {
     "net451": {},
-    "netstandard1.3": {
+    "netstandard1.5": {
       "imports": [
-        "dotnet5.4",
+        "dotnet5.6",
         "portable-net451+win8"
       ]
     }
diff --git a/src/Microsoft.AspNetCore.Mvc.Formatters.Xml/project.json b/src/Microsoft.AspNetCore.Mvc.Formatters.Xml/project.json
index 4362061f7d..b58e580d8d 100644
--- a/src/Microsoft.AspNetCore.Mvc.Formatters.Xml/project.json
+++ b/src/Microsoft.AspNetCore.Mvc.Formatters.Xml/project.json
@@ -31,9 +31,9 @@
         "System.Xml": ""
       }
     },
-    "netstandard1.3": {
+    "netstandard1.5": {
       "imports": [
-        "dotnet5.4",
+        "dotnet5.6",
         "portable-net451+win8"
       ],
       "dependencies": {
diff --git a/src/Microsoft.AspNetCore.Mvc.Razor.Host/project.json b/src/Microsoft.AspNetCore.Mvc.Razor.Host/project.json
index 13e2d3d565..d12d5c95c9 100644
--- a/src/Microsoft.AspNetCore.Mvc.Razor.Host/project.json
+++ b/src/Microsoft.AspNetCore.Mvc.Razor.Host/project.json
@@ -24,7 +24,7 @@
   },
   "frameworks": {
     "net451": { },
-    "netstandard1.3": {
+    "netstandard1.5": {
       "dependencies": {
         "System.Collections.Concurrent": "4.0.12-*",
         "System.ComponentModel.TypeConverter": "4.0.1-*",
@@ -32,7 +32,7 @@
         "System.Text.Encoding.Extensions": "4.0.11-*"
       },
       "imports": [
-        "dotnet5.4"
+        "dotnet5.6"
       ]
     }
   },
diff --git a/src/Microsoft.AspNetCore.Mvc.ViewFeatures/ViewFeatures/ViewDataDictionary.cs b/src/Microsoft.AspNetCore.Mvc.ViewFeatures/ViewFeatures/ViewDataDictionary.cs
index 96a9092ffe..08d9f3bc0d 100644
--- a/src/Microsoft.AspNetCore.Mvc.ViewFeatures/ViewFeatures/ViewDataDictionary.cs
+++ b/src/Microsoft.AspNetCore.Mvc.ViewFeatures/ViewFeatures/ViewDataDictionary.cs
@@ -5,7 +5,7 @@ using System;
 using System.Collections;
 using System.Collections.Generic;
 using System.Globalization;
-#if NETSTANDARD1_3
+#if NETSTANDARD1_5
 using System.Reflection;
 #endif
 using Microsoft.AspNetCore.Mvc.ModelBinding;
diff --git a/src/Microsoft.AspNetCore.Mvc.ViewFeatures/project.json b/src/Microsoft.AspNetCore.Mvc.ViewFeatures/project.json
index efb2520fb9..4b4d785d5e 100644
--- a/src/Microsoft.AspNetCore.Mvc.ViewFeatures/project.json
+++ b/src/Microsoft.AspNetCore.Mvc.ViewFeatures/project.json
@@ -42,9 +42,9 @@
   },
   "frameworks": {
     "net451": {},
-    "netstandard1.3": {
+    "netstandard1.5": {
       "imports": [
-        "dotnet5.4",
+        "dotnet5.6",
         "portable-net451+win8"
       ]
     }
diff --git a/src/Microsoft.AspNetCore.Mvc.WebApiCompatShim/ContentNegotiator/CollectionExtensions.cs b/src/Microsoft.AspNetCore.Mvc.WebApiCompatShim/ContentNegotiator/CollectionExtensions.cs
index 8e431d5630..ef16268797 100644
--- a/src/Microsoft.AspNetCore.Mvc.WebApiCompatShim/ContentNegotiator/CollectionExtensions.cs
+++ b/src/Microsoft.AspNetCore.Mvc.WebApiCompatShim/ContentNegotiator/CollectionExtensions.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.
 
-#if NETSTANDARD1_3
+#if NETSTANDARD1_5
 
 using System.Collections.ObjectModel;
 using System.Diagnostics;
diff --git a/src/Microsoft.AspNetCore.Mvc.WebApiCompatShim/ContentNegotiator/ContentNegotiationResult.cs b/src/Microsoft.AspNetCore.Mvc.WebApiCompatShim/ContentNegotiator/ContentNegotiationResult.cs
index 1eb623aa3f..048ee1e74b 100644
--- a/src/Microsoft.AspNetCore.Mvc.WebApiCompatShim/ContentNegotiator/ContentNegotiationResult.cs
+++ b/src/Microsoft.AspNetCore.Mvc.WebApiCompatShim/ContentNegotiator/ContentNegotiationResult.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.
 
-#if NETSTANDARD1_3
+#if NETSTANDARD1_5
 
 using System.Collections.Generic;
 using System.Net.Http.Headers;
diff --git a/src/Microsoft.AspNetCore.Mvc.WebApiCompatShim/ContentNegotiator/DefaultContentNegotiator.cs b/src/Microsoft.AspNetCore.Mvc.WebApiCompatShim/ContentNegotiator/DefaultContentNegotiator.cs
index 04b616cc06..560e34f4cc 100644
--- a/src/Microsoft.AspNetCore.Mvc.WebApiCompatShim/ContentNegotiator/DefaultContentNegotiator.cs
+++ b/src/Microsoft.AspNetCore.Mvc.WebApiCompatShim/ContentNegotiator/DefaultContentNegotiator.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.
 
-#if NETSTANDARD1_3
+#if NETSTANDARD1_5
 
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
diff --git a/src/Microsoft.AspNetCore.Mvc.WebApiCompatShim/ContentNegotiator/FormDataCollection.cs b/src/Microsoft.AspNetCore.Mvc.WebApiCompatShim/ContentNegotiator/FormDataCollection.cs
index 485e035917..d997cb11f4 100644
--- a/src/Microsoft.AspNetCore.Mvc.WebApiCompatShim/ContentNegotiator/FormDataCollection.cs
+++ b/src/Microsoft.AspNetCore.Mvc.WebApiCompatShim/ContentNegotiator/FormDataCollection.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.
 
-#if NETSTANDARD1_3
+#if NETSTANDARD1_5
 
 using Microsoft.AspNetCore.WebUtilities;
 using System.Collections;
diff --git a/src/Microsoft.AspNetCore.Mvc.WebApiCompatShim/ContentNegotiator/FormattingUtilities.cs b/src/Microsoft.AspNetCore.Mvc.WebApiCompatShim/ContentNegotiator/FormattingUtilities.cs
index 6058c72587..d7d7410a25 100644
--- a/src/Microsoft.AspNetCore.Mvc.WebApiCompatShim/ContentNegotiator/FormattingUtilities.cs
+++ b/src/Microsoft.AspNetCore.Mvc.WebApiCompatShim/ContentNegotiator/FormattingUtilities.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.
 
-#if NETSTANDARD1_3
+#if NETSTANDARD1_5
 
 using System.Collections.Generic;
 using System.Globalization;
diff --git a/src/Microsoft.AspNetCore.Mvc.WebApiCompatShim/ContentNegotiator/IContentNegotiator.cs b/src/Microsoft.AspNetCore.Mvc.WebApiCompatShim/ContentNegotiator/IContentNegotiator.cs
index cd26f5337d..c35eb00ece 100644
--- a/src/Microsoft.AspNetCore.Mvc.WebApiCompatShim/ContentNegotiator/IContentNegotiator.cs
+++ b/src/Microsoft.AspNetCore.Mvc.WebApiCompatShim/ContentNegotiator/IContentNegotiator.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.
 
-#if NETSTANDARD1_3
+#if NETSTANDARD1_5
 
 using System.Collections.Generic;
 using System.Net.Http.Headers;
diff --git a/src/Microsoft.AspNetCore.Mvc.WebApiCompatShim/ContentNegotiator/ListWrapperCollection.cs b/src/Microsoft.AspNetCore.Mvc.WebApiCompatShim/ContentNegotiator/ListWrapperCollection.cs
index 1c68458eb7..2e41b0d60d 100644
--- a/src/Microsoft.AspNetCore.Mvc.WebApiCompatShim/ContentNegotiator/ListWrapperCollection.cs
+++ b/src/Microsoft.AspNetCore.Mvc.WebApiCompatShim/ContentNegotiator/ListWrapperCollection.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.
 
-#if NETSTANDARD1_3
+#if NETSTANDARD1_5
 
 using System.Collections.Generic;
 
diff --git a/src/Microsoft.AspNetCore.Mvc.WebApiCompatShim/ContentNegotiator/MediaTypeConstants.cs b/src/Microsoft.AspNetCore.Mvc.WebApiCompatShim/ContentNegotiator/MediaTypeConstants.cs
index 1cd1d2caa8..2028ba7b3e 100644
--- a/src/Microsoft.AspNetCore.Mvc.WebApiCompatShim/ContentNegotiator/MediaTypeConstants.cs
+++ b/src/Microsoft.AspNetCore.Mvc.WebApiCompatShim/ContentNegotiator/MediaTypeConstants.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.
 
-#if NETSTANDARD1_3
+#if NETSTANDARD1_5
 
 using System.Net.Http.Headers;
 
diff --git a/src/Microsoft.AspNetCore.Mvc.WebApiCompatShim/ContentNegotiator/MediaTypeFormatterMatch.cs b/src/Microsoft.AspNetCore.Mvc.WebApiCompatShim/ContentNegotiator/MediaTypeFormatterMatch.cs
index bca61ef8a7..d186e12af2 100644
--- a/src/Microsoft.AspNetCore.Mvc.WebApiCompatShim/ContentNegotiator/MediaTypeFormatterMatch.cs
+++ b/src/Microsoft.AspNetCore.Mvc.WebApiCompatShim/ContentNegotiator/MediaTypeFormatterMatch.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.
 
-#if NETSTANDARD1_3
+#if NETSTANDARD1_5
 
 using System.Net.Http.Headers;
 
diff --git a/src/Microsoft.AspNetCore.Mvc.WebApiCompatShim/ContentNegotiator/MediaTypeFormatterMatchRanking.cs b/src/Microsoft.AspNetCore.Mvc.WebApiCompatShim/ContentNegotiator/MediaTypeFormatterMatchRanking.cs
index b7c4623cf4..7c081bccd4 100644
--- a/src/Microsoft.AspNetCore.Mvc.WebApiCompatShim/ContentNegotiator/MediaTypeFormatterMatchRanking.cs
+++ b/src/Microsoft.AspNetCore.Mvc.WebApiCompatShim/ContentNegotiator/MediaTypeFormatterMatchRanking.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.
 
-#if NETSTANDARD1_3
+#if NETSTANDARD1_5
 
 namespace System.Net.Http.Formatting
 {
diff --git a/src/Microsoft.AspNetCore.Mvc.WebApiCompatShim/ContentNegotiator/MediaTypeHeaderValueExtensions.cs b/src/Microsoft.AspNetCore.Mvc.WebApiCompatShim/ContentNegotiator/MediaTypeHeaderValueExtensions.cs
index d084f56a3c..844b4344a0 100644
--- a/src/Microsoft.AspNetCore.Mvc.WebApiCompatShim/ContentNegotiator/MediaTypeHeaderValueExtensions.cs
+++ b/src/Microsoft.AspNetCore.Mvc.WebApiCompatShim/ContentNegotiator/MediaTypeHeaderValueExtensions.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.
 
-#if NETSTANDARD1_3
+#if NETSTANDARD1_5
 
 using System.Collections.Generic;
 using System.Diagnostics;
diff --git a/src/Microsoft.AspNetCore.Mvc.WebApiCompatShim/ContentNegotiator/MediaTypeWithQualityHeaderComparer.cs b/src/Microsoft.AspNetCore.Mvc.WebApiCompatShim/ContentNegotiator/MediaTypeWithQualityHeaderComparer.cs
index 107b4a94ed..5f8478858a 100644
--- a/src/Microsoft.AspNetCore.Mvc.WebApiCompatShim/ContentNegotiator/MediaTypeWithQualityHeaderComparer.cs
+++ b/src/Microsoft.AspNetCore.Mvc.WebApiCompatShim/ContentNegotiator/MediaTypeWithQualityHeaderComparer.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.
 
-#if NETSTANDARD1_3
+#if NETSTANDARD1_5
 
 using System.Collections.Generic;
 using System.Diagnostics;
diff --git a/src/Microsoft.AspNetCore.Mvc.WebApiCompatShim/ContentNegotiator/ParsedMediaTypeHeaderValue.cs b/src/Microsoft.AspNetCore.Mvc.WebApiCompatShim/ContentNegotiator/ParsedMediaTypeHeaderValue.cs
index cf9dfe8f1a..83ba93ea91 100644
--- a/src/Microsoft.AspNetCore.Mvc.WebApiCompatShim/ContentNegotiator/ParsedMediaTypeHeaderValue.cs
+++ b/src/Microsoft.AspNetCore.Mvc.WebApiCompatShim/ContentNegotiator/ParsedMediaTypeHeaderValue.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.
 
-#if NETSTANDARD1_3
+#if NETSTANDARD1_5
 
 using System.Diagnostics;
 using System.Net.Http.Headers;
diff --git a/src/Microsoft.AspNetCore.Mvc.WebApiCompatShim/ContentNegotiator/StringWithQualityHeaderValueComparer.cs b/src/Microsoft.AspNetCore.Mvc.WebApiCompatShim/ContentNegotiator/StringWithQualityHeaderValueComparer.cs
index d276b85d27..69fe9178d3 100644
--- a/src/Microsoft.AspNetCore.Mvc.WebApiCompatShim/ContentNegotiator/StringWithQualityHeaderValueComparer.cs
+++ b/src/Microsoft.AspNetCore.Mvc.WebApiCompatShim/ContentNegotiator/StringWithQualityHeaderValueComparer.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.
 
-#if NETSTANDARD1_3
+#if NETSTANDARD1_5
 
 using System.Collections.Generic;
 using System.Diagnostics;
diff --git a/src/Microsoft.AspNetCore.Mvc.WebApiCompatShim/HttpRequestMessage/HttpRequestMessageExtensions.cs b/src/Microsoft.AspNetCore.Mvc.WebApiCompatShim/HttpRequestMessage/HttpRequestMessageExtensions.cs
index fdf9b7cab3..875489e8b6 100644
--- a/src/Microsoft.AspNetCore.Mvc.WebApiCompatShim/HttpRequestMessage/HttpRequestMessageExtensions.cs
+++ b/src/Microsoft.AspNetCore.Mvc.WebApiCompatShim/HttpRequestMessage/HttpRequestMessageExtensions.cs
@@ -19,7 +19,7 @@ namespace System.Net.Http
     /// </summary>
     public static class HttpRequestMessageExtensions
     {
-#if !NETSTANDARD1_3
+#if !NETSTANDARD1_5
 
         /// <summary>
         /// Helper method for creating an <see cref="HttpResponseMessage"/> message with a "416 (Requested Range Not
diff --git a/src/Microsoft.AspNetCore.Mvc.WebApiCompatShim/project.json b/src/Microsoft.AspNetCore.Mvc.WebApiCompatShim/project.json
index f54e7ffb98..f05b49c86c 100644
--- a/src/Microsoft.AspNetCore.Mvc.WebApiCompatShim/project.json
+++ b/src/Microsoft.AspNetCore.Mvc.WebApiCompatShim/project.json
@@ -31,9 +31,9 @@
         "System.Xml": ""
       }
     },
-    "netstandard1.3": {
+    "netstandard1.5": {
       "imports": [
-        "dotnet5.4",
+        "dotnet5.6",
         "portable-net451+win8"
       ],
       "dependencies": {
diff --git a/test/Microsoft.AspNetCore.Mvc.Abstractions.Test/project.json b/test/Microsoft.AspNetCore.Mvc.Abstractions.Test/project.json
index 002f2597c1..8550b6a610 100644
--- a/test/Microsoft.AspNetCore.Mvc.Abstractions.Test/project.json
+++ b/test/Microsoft.AspNetCore.Mvc.Abstractions.Test/project.json
@@ -9,9 +9,6 @@
     "Microsoft.NETCore.Platforms": "1.0.1-*"
   },
   "testRunner": "xunit",
-  "commands": {
-    "test": "xunit.runner.aspnet"
-  },
   "frameworks": {
     "netstandardapp1.5": {
       "imports": [
@@ -23,13 +20,6 @@
         "dotnet-test-xunit": "1.0.0-dev-*"
       }
     },
-    "dnx451": {
-      "dependencies": {
-        "Moq": "4.2.1312.1622",
-        "System.Runtime": "4.1.0-*",
-        "xunit.runner.aspnet": "2.0.0-aspnet-*"
-      }
-    },
     "net451": {
       "dependencies": {
         "Moq": "4.2.1312.1622"
diff --git a/test/Microsoft.AspNetCore.Mvc.ApiExplorer.Test/project.json b/test/Microsoft.AspNetCore.Mvc.ApiExplorer.Test/project.json
index a27867df2f..78497cba2f 100644
--- a/test/Microsoft.AspNetCore.Mvc.ApiExplorer.Test/project.json
+++ b/test/Microsoft.AspNetCore.Mvc.ApiExplorer.Test/project.json
@@ -14,9 +14,6 @@
     "Microsoft.NETCore.Platforms": "1.0.1-*"
   },
   "testRunner": "xunit",
-  "commands": {
-    "test": "xunit.runner.aspnet"
-  },
   "frameworks": {
     "netstandardapp1.5": {
       "imports": [
@@ -28,13 +25,6 @@
         "dotnet-test-xunit": "1.0.0-dev-*"
       }
     },
-    "dnx451": {
-      "dependencies": {
-        "Moq": "4.2.1312.1622",
-        "System.Runtime": "4.1.0-*",
-        "xunit.runner.aspnet": "2.0.0-aspnet-*"
-      }
-    },
     "net451": {
       "dependencies": {
         "Moq": "4.2.1312.1622"
diff --git a/test/Microsoft.AspNetCore.Mvc.Core.Test/project.json b/test/Microsoft.AspNetCore.Mvc.Core.Test/project.json
index 75884e5bf0..38461957c0 100644
--- a/test/Microsoft.AspNetCore.Mvc.Core.Test/project.json
+++ b/test/Microsoft.AspNetCore.Mvc.Core.Test/project.json
@@ -24,9 +24,6 @@
     "Microsoft.NETCore.Platforms": "1.0.1-*"
   },
   "testRunner": "xunit",
-  "commands": {
-    "test": "xunit.runner.aspnet"
-  },
   "frameworks": {
     "netstandardapp1.5": {
       "imports": [
@@ -38,13 +35,6 @@
         "dotnet-test-xunit": "1.0.0-dev-*"
       }
     },
-    "dnx451": {
-      "dependencies": {
-        "Moq": "4.2.1312.1622",
-        "System.Runtime": "4.1.0-*",
-        "xunit.runner.aspnet": "2.0.0-aspnet-*"
-      }
-    },
     "net451": {
       "dependencies": {
         "Moq": "4.2.1312.1622"
diff --git a/test/Microsoft.AspNetCore.Mvc.Cors.Test/project.json b/test/Microsoft.AspNetCore.Mvc.Cors.Test/project.json
index f5a3a7582f..9a5b965f7f 100644
--- a/test/Microsoft.AspNetCore.Mvc.Cors.Test/project.json
+++ b/test/Microsoft.AspNetCore.Mvc.Cors.Test/project.json
@@ -16,9 +16,6 @@
     "Microsoft.NETCore.Platforms": "1.0.1-*"
   },
   "testRunner": "xunit",
-  "commands": {
-    "test": "xunit.runner.aspnet"
-  },
   "frameworks": {
     "netstandardapp1.5": {
       "imports": [
@@ -30,13 +27,6 @@
         "dotnet-test-xunit": "1.0.0-dev-*"
       }
     },
-    "dnx451": {
-      "dependencies": {
-        "Moq": "4.2.1312.1622",
-        "System.Runtime": "4.1.0-*",
-        "xunit.runner.aspnet": "2.0.0-aspnet-*"
-      }
-    },
     "net451": {
       "dependencies": {
         "Moq": "4.2.1312.1622"
diff --git a/test/Microsoft.AspNetCore.Mvc.DataAnnotations.Test/project.json b/test/Microsoft.AspNetCore.Mvc.DataAnnotations.Test/project.json
index 68aba67c14..b21883cc07 100644
--- a/test/Microsoft.AspNetCore.Mvc.DataAnnotations.Test/project.json
+++ b/test/Microsoft.AspNetCore.Mvc.DataAnnotations.Test/project.json
@@ -16,9 +16,6 @@
     "Microsoft.NETCore.Platforms": "1.0.1-*"
   },
   "testRunner": "xunit",
-  "commands": {
-    "test": "xunit.runner.aspnet"
-  },
   "frameworks": {
     "netstandardapp1.5": {
       "imports": [
@@ -30,13 +27,6 @@
         "dotnet-test-xunit": "1.0.0-dev-*"
       }
     },
-    "dnx451": {
-      "dependencies": {
-        "Moq": "4.2.1312.1622",
-        "System.Runtime": "4.1.0-*",
-        "xunit.runner.aspnet": "2.0.0-aspnet-*"
-      }
-    },
     "net451": {
       "dependencies": {
         "Moq": "4.2.1312.1622"
diff --git a/test/Microsoft.AspNetCore.Mvc.Formatters.Json.Test/project.json b/test/Microsoft.AspNetCore.Mvc.Formatters.Json.Test/project.json
index f5a3a7582f..9a5b965f7f 100644
--- a/test/Microsoft.AspNetCore.Mvc.Formatters.Json.Test/project.json
+++ b/test/Microsoft.AspNetCore.Mvc.Formatters.Json.Test/project.json
@@ -16,9 +16,6 @@
     "Microsoft.NETCore.Platforms": "1.0.1-*"
   },
   "testRunner": "xunit",
-  "commands": {
-    "test": "xunit.runner.aspnet"
-  },
   "frameworks": {
     "netstandardapp1.5": {
       "imports": [
@@ -30,13 +27,6 @@
         "dotnet-test-xunit": "1.0.0-dev-*"
       }
     },
-    "dnx451": {
-      "dependencies": {
-        "Moq": "4.2.1312.1622",
-        "System.Runtime": "4.1.0-*",
-        "xunit.runner.aspnet": "2.0.0-aspnet-*"
-      }
-    },
     "net451": {
       "dependencies": {
         "Moq": "4.2.1312.1622"
diff --git a/test/Microsoft.AspNetCore.Mvc.Formatters.Xml.Test/XmlSerializerInputFormatterTest.cs b/test/Microsoft.AspNetCore.Mvc.Formatters.Xml.Test/XmlSerializerInputFormatterTest.cs
index 1b7375a135..459a32c906 100644
--- a/test/Microsoft.AspNetCore.Mvc.Formatters.Xml.Test/XmlSerializerInputFormatterTest.cs
+++ b/test/Microsoft.AspNetCore.Mvc.Formatters.Xml.Test/XmlSerializerInputFormatterTest.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.
 
-#if DNX451
+#if NET451
 using System;
 using System.Collections.Generic;
 using System.IO;
diff --git a/test/Microsoft.AspNetCore.Mvc.Formatters.Xml.Test/project.json b/test/Microsoft.AspNetCore.Mvc.Formatters.Xml.Test/project.json
index c82d000694..ae4cfca66c 100644
--- a/test/Microsoft.AspNetCore.Mvc.Formatters.Xml.Test/project.json
+++ b/test/Microsoft.AspNetCore.Mvc.Formatters.Xml.Test/project.json
@@ -15,9 +15,6 @@
     "Microsoft.NETCore.Platforms": "1.0.1-*"
   },
   "testRunner": "xunit",
-  "commands": {
-    "test": "xunit.runner.aspnet"
-  },
   "frameworks": {
     "netstandardapp1.5": {
       "imports": [
@@ -29,13 +26,6 @@
         "dotnet-test-xunit": "1.0.0-dev-*"
       }
     },
-    "dnx451": {
-      "dependencies": {
-        "Moq": "4.2.1312.1622",
-        "System.Runtime": "4.1.0-*",
-        "xunit.runner.aspnet": "2.0.0-aspnet-*"
-      }
-    },
     "net451": {
       "dependencies": {
         "Moq": "4.2.1312.1622"
diff --git a/test/Microsoft.AspNetCore.Mvc.FunctionalTests/CompilationOptionsTests.cs b/test/Microsoft.AspNetCore.Mvc.FunctionalTests/CompilationOptionsTests.cs
index 1ca5c61fa6..1084c8c5a2 100644
--- a/test/Microsoft.AspNetCore.Mvc.FunctionalTests/CompilationOptionsTests.cs
+++ b/test/Microsoft.AspNetCore.Mvc.FunctionalTests/CompilationOptionsTests.cs
@@ -22,7 +22,7 @@ namespace Microsoft.AspNetCore.Mvc.FunctionalTests
         public async Task CompilationOptions_AreUsedByViewsAndPartials()
         {
             // Arrange
-#if NET451 || DNX451
+#if NET451
             var expected =
 @"This method is running from NET451
 This method is only defined in NET451";
diff --git a/test/Microsoft.AspNetCore.Mvc.FunctionalTests/MvcTestFixture.cs b/test/Microsoft.AspNetCore.Mvc.FunctionalTests/MvcTestFixture.cs
index 54ce70b7ef..a41b6f0d25 100644
--- a/test/Microsoft.AspNetCore.Mvc.FunctionalTests/MvcTestFixture.cs
+++ b/test/Microsoft.AspNetCore.Mvc.FunctionalTests/MvcTestFixture.cs
@@ -11,9 +11,6 @@ using Microsoft.AspNetCore.Mvc.Razor.Compilation;
 using Microsoft.AspNetCore.Mvc.Razor.Internal;
 using Microsoft.AspNetCore.TestHost;
 using Microsoft.AspNetCore.Testing;
-#if DNX451
-using Microsoft.Extensions.CompilationAbstractions;
-#endif
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.PlatformAbstractions;
 
@@ -59,26 +56,13 @@ namespace Microsoft.AspNetCore.Mvc.FunctionalTests
         {
             var startupAssembly = typeof(TStartup).GetTypeInfo().Assembly;
             var applicationName = startupAssembly.GetName().Name;
-#if DNX451
-            var libraryManager = DnxPlatformServices.Default.LibraryManager;
-            var library = libraryManager.GetLibrary(applicationName);
-            return Path.GetDirectoryName(library.Path);
-#else
             var applicationBasePath = PlatformServices.Default.Application.ApplicationBasePath;
             return Path.GetFullPath(Path.Combine(applicationBasePath, relativePath, applicationName));
-#endif
         }
 
         protected virtual void InitializeServices(IServiceCollection services)
         {
             var startupAssembly = typeof(TStartup).GetTypeInfo().Assembly;
-            var applicationName = startupAssembly.GetName().Name;
-
-            var applicationEnvironment = PlatformServices.Default.Application;
-#if DNX451
-            services.AddSingleton(CompilationServices.Default.LibraryExporter);
-            services.AddSingleton<ICompilationService, DnxRoslynCompilationService>();
-#endif
 
             // Inject a custom assembly provider. Overrides AddMvc() because that uses TryAdd().
             var assemblyProvider = new StaticAssemblyProvider();
diff --git a/test/Microsoft.AspNetCore.Mvc.FunctionalTests/project.json b/test/Microsoft.AspNetCore.Mvc.FunctionalTests/project.json
index 7429d9b6cf..314fd938ef 100644
--- a/test/Microsoft.AspNetCore.Mvc.FunctionalTests/project.json
+++ b/test/Microsoft.AspNetCore.Mvc.FunctionalTests/project.json
@@ -53,9 +53,6 @@
     "XmlFormattersWebSite": "1.0.0"
   },
   "testRunner": "xunit",
-  "commands": {
-    "test": "xunit.runner.aspnet"
-  },
   "frameworks": {
     "netstandardapp1.5": {
       "dependencies": {
@@ -68,17 +65,6 @@
         "portable-net451+win8"
       ]
     },
-    "dnx451": {
-      "dependencies": {
-        "Microsoft.AspNetCore.Mvc.Dnx": "1.0.0-*",
-        "System.Collections": "4.0.11-*",
-        "System.IO": "4.1.0-*",
-        "System.Reflection": "4.1.0-*",
-        "System.Runtime": "4.1.0-*",
-        "System.Threading": "4.0.11-*",
-        "xunit.runner.aspnet": "2.0.0-aspnet-*"
-      }
-    },
     "net451": {}
   },
   "exclude": [
diff --git a/test/Microsoft.AspNetCore.Mvc.IntegrationTests/project.json b/test/Microsoft.AspNetCore.Mvc.IntegrationTests/project.json
index 0343b3410a..2085af0428 100644
--- a/test/Microsoft.AspNetCore.Mvc.IntegrationTests/project.json
+++ b/test/Microsoft.AspNetCore.Mvc.IntegrationTests/project.json
@@ -15,9 +15,6 @@
     "Microsoft.NETCore.Platforms": "1.0.1-*"
   },
   "testRunner": "xunit",
-  "commands": {
-    "test": "xunit.runner.aspnet"
-  },
   "frameworks": {
     "netstandardapp1.5": {
       "imports": [
@@ -29,13 +26,6 @@
         "dotnet-test-xunit": "1.0.0-dev-*"
       }
     },
-    "dnx451": {
-      "dependencies": {
-        "Moq": "4.2.1312.1622",
-        "System.Runtime": "4.1.0-*",
-        "xunit.runner.aspnet": "2.0.0-aspnet-*"
-      }
-    },
     "net451": {
       "dependencies": {
         "Moq": "4.2.1312.1622"
diff --git a/test/Microsoft.AspNetCore.Mvc.Localization.Test/project.json b/test/Microsoft.AspNetCore.Mvc.Localization.Test/project.json
index 4e746dbedb..3867bf2e58 100644
--- a/test/Microsoft.AspNetCore.Mvc.Localization.Test/project.json
+++ b/test/Microsoft.AspNetCore.Mvc.Localization.Test/project.json
@@ -14,9 +14,6 @@
     "Microsoft.NETCore.Platforms": "1.0.1-*"
   },
   "testRunner": "xunit",
-  "commands": {
-    "test": "xunit.runner.aspnet"
-  },
   "frameworks": {
     "netstandardapp1.5": {
       "imports": [
@@ -28,13 +25,6 @@
         "dotnet-test-xunit": "1.0.0-dev-*"
       }
     },
-    "dnx451": {
-      "dependencies": {
-        "Moq": "4.2.1312.1622",
-        "System.Runtime": "4.1.0-*",
-        "xunit.runner.aspnet": "2.0.0-aspnet-*"
-      }
-    },
     "net451": {
       "dependencies": {
         "Moq": "4.2.1312.1622"
diff --git a/test/Microsoft.AspNetCore.Mvc.Razor.Host.Test/project.json b/test/Microsoft.AspNetCore.Mvc.Razor.Host.Test/project.json
index c976378d92..3eaf33a899 100644
--- a/test/Microsoft.AspNetCore.Mvc.Razor.Host.Test/project.json
+++ b/test/Microsoft.AspNetCore.Mvc.Razor.Host.Test/project.json
@@ -15,9 +15,6 @@
     "Microsoft.NETCore.Platforms": "1.0.1-*"
   },
   "testRunner": "xunit",
-  "commands": {
-    "test": "xunit.runner.aspnet"
-  },
   "compilationOptions": {
     "define": [
       "__RemoveThisBitTo__GENERATE_BASELINES"
@@ -35,13 +32,6 @@
         "dotnet-test-xunit": "1.0.0-dev-*"
       }
     },
-    "dnx451": {
-      "dependencies": {
-        "Moq": "4.2.1312.1622",
-        "System.Runtime": "4.1.0-*",
-        "xunit.runner.aspnet": "2.0.0-aspnet-*"
-      }
-    },
     "net451": {
       "dependencies": {
         "Moq": "4.2.1312.1622"
diff --git a/test/Microsoft.AspNetCore.Mvc.Razor.Test/project.json b/test/Microsoft.AspNetCore.Mvc.Razor.Test/project.json
index eb73809b2c..10a5209627 100644
--- a/test/Microsoft.AspNetCore.Mvc.Razor.Test/project.json
+++ b/test/Microsoft.AspNetCore.Mvc.Razor.Test/project.json
@@ -30,9 +30,6 @@
     "Microsoft.NETCore.Platforms": "1.0.1-*"
   },
   "testRunner": "xunit",
-  "commands": {
-    "test": "xunit.runner.aspnet"
-  },
   "frameworks": {
     "netstandardapp1.5": {
       "imports": [
@@ -44,13 +41,6 @@
         "dotnet-test-xunit": "1.0.0-dev-*"
       }
     },
-    "dnx451": {
-      "dependencies": {
-        "Moq": "4.2.1312.1622",
-        "System.Runtime": "4.1.0-*",
-        "xunit.runner.aspnet": "2.0.0-aspnet-*"
-      }
-    },
     "net451": {
       "dependencies": {
         "Moq": "4.2.1312.1622"
diff --git a/test/Microsoft.AspNetCore.Mvc.TagHelpers.Test/project.json b/test/Microsoft.AspNetCore.Mvc.TagHelpers.Test/project.json
index 20e05e06b3..ad92c00f0a 100644
--- a/test/Microsoft.AspNetCore.Mvc.TagHelpers.Test/project.json
+++ b/test/Microsoft.AspNetCore.Mvc.TagHelpers.Test/project.json
@@ -17,9 +17,6 @@
     "Microsoft.NETCore.Platforms": "1.0.1-*"
   },
   "testRunner": "xunit",
-  "commands": {
-    "test": "xunit.runner.aspnet"
-  },
   "frameworks": {
     "netstandardapp1.5": {
       "imports": [
@@ -31,13 +28,6 @@
         "dotnet-test-xunit": "1.0.0-dev-*"
       }
     },
-    "dnx451": {
-      "dependencies": {
-        "Moq": "4.2.1312.1622",
-        "System.Runtime": "4.1.0-*",
-        "xunit.runner.aspnet": "2.0.0-aspnet-*"
-      }
-    },
     "net451": {
       "dependencies": {
         "Moq": "4.2.1312.1622"
diff --git a/test/Microsoft.AspNetCore.Mvc.Test/project.json b/test/Microsoft.AspNetCore.Mvc.Test/project.json
index 3d202bb42d..50eab3ef4c 100644
--- a/test/Microsoft.AspNetCore.Mvc.Test/project.json
+++ b/test/Microsoft.AspNetCore.Mvc.Test/project.json
@@ -11,9 +11,6 @@
     "xunit": "2.1.0"
   },
   "testRunner": "xunit",
-  "commands": {
-    "test": "xunit.runner.aspnet"
-  },
   "frameworks": {
     "netstandardapp1.5": {
       "imports": [
@@ -25,13 +22,6 @@
         "dotnet-test-xunit": "1.0.0-dev-*"
       }
     },
-    "dnx451": {
-      "dependencies": {
-        "Moq": "4.2.1312.1622",
-        "System.Runtime": "4.1.0-*",
-        "xunit.runner.aspnet": "2.0.0-aspnet-*"
-      }
-    },
     "net451": {
       "dependencies": {
         "Moq": "4.2.1312.1622"
diff --git a/test/Microsoft.AspNetCore.Mvc.ViewFeatures.Test/ViewComponents/DefaultViewComponentSelectorTest.cs b/test/Microsoft.AspNetCore.Mvc.ViewFeatures.Test/ViewComponents/DefaultViewComponentSelectorTest.cs
index 5e74ddb747..ce84da9c9b 100644
--- a/test/Microsoft.AspNetCore.Mvc.ViewFeatures.Test/ViewComponents/DefaultViewComponentSelectorTest.cs
+++ b/test/Microsoft.AspNetCore.Mvc.ViewFeatures.Test/ViewComponents/DefaultViewComponentSelectorTest.cs
@@ -211,11 +211,7 @@ namespace Microsoft.AspNetCore.Mvc.ViewComponents
                 return
                     GetAssemblyProvider()
                     .CandidateAssemblies
-                    .SelectMany(a => a.DefinedTypes)
-#if DNX451
-                    .Select(t => t.GetTypeInfo())
-#endif
-                    ;
+                    .SelectMany(a => a.DefinedTypes);
             }
 
             private static IAssemblyProvider GetAssemblyProvider()
diff --git a/test/Microsoft.AspNetCore.Mvc.ViewFeatures.Test/project.json b/test/Microsoft.AspNetCore.Mvc.ViewFeatures.Test/project.json
index 330cbfb203..d8fac1f864 100644
--- a/test/Microsoft.AspNetCore.Mvc.ViewFeatures.Test/project.json
+++ b/test/Microsoft.AspNetCore.Mvc.ViewFeatures.Test/project.json
@@ -22,9 +22,6 @@
     "Microsoft.NETCore.Platforms": "1.0.1-*"
   },
   "testRunner": "xunit",
-  "commands": {
-    "test": "xunit.runner.aspnet"
-  },
   "frameworks": {
     "netstandardapp1.5": {
       "imports": [
@@ -36,13 +33,6 @@
         "dotnet-test-xunit": "1.0.0-dev-*"
       }
     },
-    "dnx451": {
-      "dependencies": {
-        "Moq": "4.2.1312.1622",
-        "System.Runtime": "4.1.0-*",
-        "xunit.runner.aspnet": "2.0.0-aspnet-*"
-      }
-    },
     "net451": {
       "dependencies": {
         "Moq": "4.2.1312.1622"
diff --git a/test/WebSites/Microsoft.AspNetCore.Mvc.TestConfiguration/project.json b/test/WebSites/Microsoft.AspNetCore.Mvc.TestConfiguration/project.json
index 0fb292b145..7107bf6a3e 100644
--- a/test/WebSites/Microsoft.AspNetCore.Mvc.TestConfiguration/project.json
+++ b/test/WebSites/Microsoft.AspNetCore.Mvc.TestConfiguration/project.json
@@ -9,9 +9,9 @@
   },
   "frameworks": {
     "net451": {},
-    "netstandardapp1.5": {
+    "netstandard1.3": {
       "imports": [
-        "dnxcore50",
+        "dotnet4.5",
         "portable-net451+win8"
       ]
     }