1 files changed, 2 insertions, 0 deletions

diff --git a/src/WixToolset.BuildTasks/MsbuildMessageListener.cs b/src/WixToolset.BuildTasks/MsbuildMessageListener.cs
index 47399a41..f186d721 100644
--- a/src/WixToolset.BuildTasks/MsbuildMessageListener.cs
+++ b/src/WixToolset.BuildTasks/MsbuildMessageListener.cs
@@ -1,5 +1,6 @@
 // Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information.
 
+#if !NETCOREAPP
 namespace WixToolset.BuildTasks
 {
     using System;
@@ -64,3 +65,4 @@ namespace WixToolset.BuildTasks
         public MessageLevel CalculateMessageLevel(IMessaging messaging, Message message, MessageLevel defaultMessageLevel) => defaultMessageLevel;
     }
 }
+#endif