Index: Ringtoets/GrassCoverErosionInwards/src/Ringtoets.GrassCoverErosionInwards.Service/GrassCoverErosionInwardsCalculationService.cs
===================================================================
diff -u -r1dc7aca66fba19cdc15c81d6b5d2d48f2625ebc0 -r787c7ef33e68750b3e1e7208f320e5b04fbf9024
--- Ringtoets/GrassCoverErosionInwards/src/Ringtoets.GrassCoverErosionInwards.Service/GrassCoverErosionInwardsCalculationService.cs	(.../GrassCoverErosionInwardsCalculationService.cs)	(revision 1dc7aca66fba19cdc15c81d6b5d2d48f2625ebc0)
+++ Ringtoets/GrassCoverErosionInwards/src/Ringtoets.GrassCoverErosionInwards.Service/GrassCoverErosionInwardsCalculationService.cs	(.../GrassCoverErosionInwardsCalculationService.cs)	(revision 787c7ef33e68750b3e1e7208f320e5b04fbf9024)
@@ -468,21 +468,7 @@
 
         private static IEnumerable<HydraRingRoughnessProfilePoint> ParseProfilePoints(RoughnessPoint[] roughnessProfilePoints)
         {
-            for (var i = 0; i < roughnessProfilePoints.Length; i++)
-            {
-                var roughnessProfilePoint = roughnessProfilePoints[i];
-
-                if (i == 0)
-                {
-                    yield return new HydraRingRoughnessProfilePoint(roughnessProfilePoint.Point.X, roughnessProfilePoint.Point.Y, 1.0);
-                }
-                else
-                {
-                    var precedingRoughnessProfilePoint = roughnessProfilePoints[i - 1];
-
-                    yield return new HydraRingRoughnessProfilePoint(roughnessProfilePoint.Point.X, roughnessProfilePoint.Point.Y, precedingRoughnessProfilePoint.Roughness);
-                }
-            }
+            return roughnessProfilePoints.Select(roughnessPoint => new HydraRingRoughnessProfilePoint(roughnessPoint.Point.X, roughnessPoint.Point.Y, roughnessPoint.Roughness));
         }
 
         private static string[] ValidateInput(GrassCoverErosionInwardsInput inputParameters, IAssessmentSection assessmentSection)