diff --git a/RGB.NET.Core/Extensions/SurfaceExtensions.cs b/RGB.NET.Core/Extensions/SurfaceExtensions.cs
index 0a93c69..fb53fc0 100644
--- a/RGB.NET.Core/Extensions/SurfaceExtensions.cs
+++ b/RGB.NET.Core/Extensions/SurfaceExtensions.cs
@@ -1,5 +1,6 @@
-using System.Collections.Generic;
-using System.Collections.ObjectModel;
+// ReSharper disable UnusedMember.Global
+
+using System.Collections.Generic;
 using System.Linq;
 
 namespace RGB.NET.Core