Index: DamEngine/trunk/src/Deltares.DamEngine.Data/Geometry/GeometryPointString.cs
===================================================================
diff -u -r4540 -r4897
--- DamEngine/trunk/src/Deltares.DamEngine.Data/Geometry/GeometryPointString.cs	(.../GeometryPointString.cs)	(revision 4540)
+++ DamEngine/trunk/src/Deltares.DamEngine.Data/Geometry/GeometryPointString.cs	(.../GeometryPointString.cs)	(revision 4897)
@@ -86,7 +86,6 @@
     protected readonly List<Point2D> calcPoints = new List<Point2D>();
 
     private readonly List<GeometryPoint> points = new List<GeometryPoint>();
-    private readonly Routines2D routines2D = new Routines2D();
     private bool isFrozen;
     private bool hasNaNx;
     private double frozenMaxZ = double.NaN;
@@ -702,7 +701,7 @@
             double slopeBefore = (calcPoints[i].Z - calcPoints[i - 1].Z) / (calcPoints[i].X - calcPoints[i - 1].X);
             double slopeAfter = (calcPoints[i + 1].Z - calcPoints[i].Z) / (calcPoints[i + 1].X - calcPoints[i].X);
 
-            if (routines2D.AreEqual(slopeBefore, slopeAfter, slopeTolerance))
+            if (Routines2D.AreEqual(slopeBefore, slopeAfter, slopeTolerance))
             {
                 calcPoints.RemoveAt(i);
             }