diff --git a/test/Microsoft.AspNetCore.Server.Kestrel.FunctionalTests/project.json b/test/Microsoft.AspNetCore.Server.Kestrel.FunctionalTests/project.json
index 0f4db08fdb..9c290eab05 100644
--- a/test/Microsoft.AspNetCore.Server.Kestrel.FunctionalTests/project.json
+++ b/test/Microsoft.AspNetCore.Server.Kestrel.FunctionalTests/project.json
@@ -15,7 +15,7 @@
       },
       "imports": "portable-net451+win8"
     },
-    "dnx451": {
+    "net451": {
       "dependencies": {
         "xunit.runner.console": "2.1.0"
       }
diff --git a/test/Microsoft.AspNetCore.Server.KestrelTests/HttpsConnectionFilterTests.cs b/test/Microsoft.AspNetCore.Server.KestrelTests/HttpsConnectionFilterTests.cs
index 3758a54fc3..4d0d86a34d 100644
--- a/test/Microsoft.AspNetCore.Server.KestrelTests/HttpsConnectionFilterTests.cs
+++ b/test/Microsoft.AspNetCore.Server.KestrelTests/HttpsConnectionFilterTests.cs
@@ -51,7 +51,7 @@ namespace Microsoft.AspNetCore.Server.KestrelTests
 
             try
             {
-#if DNX451
+#if NET451
                 var handler = new HttpClientHandler();
                 ServicePointManager.ServerCertificateValidationCallback += validationCallback;
 #else
@@ -79,7 +79,7 @@ namespace Microsoft.AspNetCore.Server.KestrelTests
             }
             finally
             {
-#if DNX451
+#if NET451
                 ServicePointManager.ServerCertificateValidationCallback -= validationCallback;
 #endif
             }
@@ -97,7 +97,7 @@ namespace Microsoft.AspNetCore.Server.KestrelTests
 
             try
             {
-#if DNX451
+#if NET451
                 var handler = new HttpClientHandler();
                 ServicePointManager.ServerCertificateValidationCallback += validationCallback;
 #else
@@ -126,7 +126,7 @@ namespace Microsoft.AspNetCore.Server.KestrelTests
             }
             finally
             {
-#if DNX451
+#if NET451
                 ServicePointManager.ServerCertificateValidationCallback -= validationCallback;
 #endif
             }
@@ -144,7 +144,7 @@ namespace Microsoft.AspNetCore.Server.KestrelTests
 
             try
             {
-#if DNX451
+#if NET451
                 var handler = new HttpClientHandler();
                 ServicePointManager.ServerCertificateValidationCallback += validationCallback;
 #else
@@ -180,7 +180,7 @@ namespace Microsoft.AspNetCore.Server.KestrelTests
             }
             finally
             {
-#if DNX451
+#if NET451
                 ServicePointManager.ServerCertificateValidationCallback -= validationCallback;
 #endif
             }
@@ -198,7 +198,7 @@ namespace Microsoft.AspNetCore.Server.KestrelTests
 
             try
             {
-#if DNX451
+#if NET451
                 ServicePointManager.ServerCertificateValidationCallback += validationCallback;
 #endif
 
@@ -246,7 +246,7 @@ namespace Microsoft.AspNetCore.Server.KestrelTests
             }
             finally
             {
-#if DNX451
+#if NET451
                 ServicePointManager.ServerCertificateValidationCallback -= validationCallback;
 #endif
             }
@@ -264,7 +264,7 @@ namespace Microsoft.AspNetCore.Server.KestrelTests
 
             try
             {
-#if DNX451
+#if NET451
                 var handler = new HttpClientHandler();
                 ServicePointManager.ServerCertificateValidationCallback += validationCallback;
 #else
@@ -296,7 +296,7 @@ namespace Microsoft.AspNetCore.Server.KestrelTests
             }
             finally
             {
-#if DNX451
+#if NET451
                 ServicePointManager.ServerCertificateValidationCallback -= validationCallback;
 #endif
             }
diff --git a/test/Microsoft.AspNetCore.Server.KestrelTests/NetworkingTests.cs b/test/Microsoft.AspNetCore.Server.KestrelTests/NetworkingTests.cs
index 4a438f5c78..33ff9b70d9 100644
--- a/test/Microsoft.AspNetCore.Server.KestrelTests/NetworkingTests.cs
+++ b/test/Microsoft.AspNetCore.Server.KestrelTests/NetworkingTests.cs
@@ -129,7 +129,7 @@ namespace Microsoft.AspNetCore.Server.KestrelTests
             var t = Task.Run(async () =>
             {
                 var socket = TestConnection.CreateConnectedLoopbackSocket(port);
-#if DNX451
+#if NET451
                 await Task.Factory.FromAsync(
                     socket.BeginSend,
                     socket.EndSend,
@@ -204,7 +204,7 @@ namespace Microsoft.AspNetCore.Server.KestrelTests
             var t = Task.Run(async () =>
             {
                 var socket = TestConnection.CreateConnectedLoopbackSocket(port);
-#if DNX451
+#if NET451
                 await Task.Factory.FromAsync(
                     socket.BeginSend,
                     socket.EndSend,
@@ -220,7 +220,7 @@ namespace Microsoft.AspNetCore.Server.KestrelTests
                 var buffer = new ArraySegment<byte>(new byte[2048]);
                 while (true)
                 {
-#if DNX451
+#if NET451
                     var count = await Task.Factory.FromAsync(
                         socket.BeginReceive,
                         socket.EndReceive,
diff --git a/test/Microsoft.AspNetCore.Server.KestrelTests/project.json b/test/Microsoft.AspNetCore.Server.KestrelTests/project.json
index 1d079264a8..91918db4a0 100644
--- a/test/Microsoft.AspNetCore.Server.KestrelTests/project.json
+++ b/test/Microsoft.AspNetCore.Server.KestrelTests/project.json
@@ -21,7 +21,7 @@
       },
       "imports": "portable-net451+win8"
     },
-    "dnx451": {
+    "net451": {
       "dependencies": {
         "xunit.runner.console": "2.1.0"
       }