Index: Ringtoets/GrassCoverErosionInwards/src/Ringtoets.GrassCoverErosionInwards.Data/GrassCoverErosionInwardsFailureMechanism.cs
===================================================================
diff -u -r30b8231f92b90ea4b05e98e3d0285368f6dfe2e4 -r56ac4eb28f5fcc5b20117474e9e4030399d6806a
--- Ringtoets/GrassCoverErosionInwards/src/Ringtoets.GrassCoverErosionInwards.Data/GrassCoverErosionInwardsFailureMechanism.cs	(.../GrassCoverErosionInwardsFailureMechanism.cs)	(revision 30b8231f92b90ea4b05e98e3d0285368f6dfe2e4)
+++ Ringtoets/GrassCoverErosionInwards/src/Ringtoets.GrassCoverErosionInwards.Data/GrassCoverErosionInwardsFailureMechanism.cs	(.../GrassCoverErosionInwardsFailureMechanism.cs)	(revision 56ac4eb28f5fcc5b20117474e9e4030399d6806a)
@@ -21,7 +21,6 @@
 
 using System.Collections.Generic;
 using System.Linq;
-using Core.Common.Base;
 using Ringtoets.Common.Data.Calculation;
 using Ringtoets.Common.Data.DikeProfiles;
 using Ringtoets.Common.Data.FailureMechanism;
@@ -46,7 +45,7 @@
             CalculationsGroup = new CalculationGroup(RingtoetsCommonDataResources.FailureMechanism_Calculations_DisplayName, false);
             GeneralInput = new GeneralGrassCoverErosionInwardsInput();
             sectionResults = new List<GrassCoverErosionInwardsFailureMechanismSectionResult>();
-            DikeProfiles = new ObservableList<DikeProfile>();
+            DikeProfiles = new DikeProfileCollection();
         }
 
         public override IEnumerable<ICalculation> Calculations
@@ -65,7 +64,7 @@
         /// <summary>
         /// Gets the available dike profiles for this instance.
         /// </summary>
-        public ObservableList<DikeProfile> DikeProfiles { get; private set; }
+        public DikeProfileCollection DikeProfiles { get; private set; }
 
         public CalculationGroup CalculationsGroup { get; private set; }