1 files changed, 1 insertions, 2 deletions

diff --git a/src/WixToolset.Core/AppCommon.cs b/src/WixToolset.Core/AppCommon.cs
index 5fde632a..7716155a 100644
--- a/src/WixToolset.Core/AppCommon.cs
+++ b/src/WixToolset.Core/AppCommon.cs
@@ -1,10 +1,9 @@
 // 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.
 
-namespace WixToolset
+namespace WixToolset.Core
 {
     using System;
     using System.Collections.Specialized;
-    using System.Configuration;
     using System.Globalization;
     using System.IO;
     using System.Reflection;