Index: dam clients/DamUI/trunk/src/Dam/Data/DupuitPLLines.cs
===================================================================
diff -u -r339 -r341
--- dam clients/DamUI/trunk/src/Dam/Data/DupuitPLLines.cs	(.../DupuitPLLines.cs)	(revision 339)
+++ dam clients/DamUI/trunk/src/Dam/Data/DupuitPLLines.cs	(.../DupuitPLLines.cs)	(revision 341)
@@ -18,13 +18,10 @@
 // All names, logos, and references to "Deltares" are registered trademarks of
 // Stichting Deltares and remain full property of Stichting Deltares at all times.
 // All rights reserved.
+using System.Collections.Generic;
 
 namespace Deltares.Dam.Data
 {
-    using System;
-    using System.Collections.Generic;
-    using System.Linq;
-    using System.Text;
 
     public class DupuitPLLines
     {