diff --git a/Machining/DemoRenderingMachiningProcessAndStripPosSelection.cs b/Machining/DemoRenderingMachiningProcessAndStripPosSelection.cs
index 3cfdcd5..cee4ce4 100644
--- a/Machining/DemoRenderingMachiningProcessAndStripPosSelection.cs
+++ b/Machining/DemoRenderingMachiningProcessAndStripPosSelection.cs
@@ -1,17 +1,13 @@
 using Hi.Wpf.Disp;
 using System;
-using Hi.MongoUtils;
-using Hi.Licenses;
 using Hi.MachiningProcs;
 using Hi.Common.FileLines;
 using System.Windows;
-using Hi.Disp;
 using Hi.MachiningSteps;
 using Hi.HiNcKits;
 
 namespace Sample.Machining
 {
-
     /// <summary>
     /// Demonstrates integration of machining process visualization with interactive strip position selection.
     /// Shows how to load a machining project, configure rendering options, and implement user interaction.