diff --git a/Environment_Engine/Compute/ExtrudeToVolume.cs b/Environment_Engine/Compute/ExtrudeToVolume.cs
index 2f15d21de..a3d9f719d 100644
--- a/Environment_Engine/Compute/ExtrudeToVolume.cs
+++ b/Environment_Engine/Compute/ExtrudeToVolume.cs
@@ -36,8 +36,6 @@
 using System.ComponentModel;
 
 using BH.oM.Analytical.Elements;
-using ICSharpCode.Decompiler.CSharp.Syntax;
-using ICSharpCode.Decompiler.IL.ControlFlow;
 
 namespace BH.Engine.Environment
 {