diff --git a/src/DotRecast.Recast.Demo/Tools/TileTool.cs b/src/DotRecast.Recast.Demo/Tools/TileTool.cs
index 390a5b8..172c368 100644
--- a/src/DotRecast.Recast.Demo/Tools/TileTool.cs
+++ b/src/DotRecast.Recast.Demo/Tools/TileTool.cs
@@ -1,10 +1,8 @@
-using System.Reflection.Metadata;
-using DotRecast.Core;
+using DotRecast.Core;
 using DotRecast.Recast.Demo.Draw;
 using DotRecast.Recast.DemoTool;
 using DotRecast.Recast.DemoTool.Tools;
 using ImGuiNET;
-using Silk.NET.Vulkan;
 using static DotRecast.Recast.Demo.Draw.DebugDraw;
 using static DotRecast.Recast.Demo.Draw.DebugDrawPrimitives;