1 files changed, 1 insertions, 4 deletions

diff --git a/src/WixToolset.Core/HeatCore.cs b/src/WixToolset.Core/HeatCore.cs
index 5c5defe8..01233c40 100644
--- a/src/WixToolset.Core/HeatCore.cs
+++ b/src/WixToolset.Core/HeatCore.cs
@@ -2,11 +2,8 @@
 
 namespace WixToolset.Tools
 {
-    using System;
-    using System.Reflection;
     using WixToolset.Data;
-    using WixToolset.Extensibilty;
-    using Wix = WixToolset.Data.Serialize;
+    using WixToolset.Extensibility;
 
     /// <summary>
     /// The WiX Toolset Harvester application core.