Index: Ringtoets/GrassCoverErosionOutwards/src/Ringtoets.GrassCoverErosionOutwards.Forms/GrassCoverErosionOutwardsFailureMechanismPropertyChangeHandler.cs
===================================================================
diff -u -r4d77063761342b4686ef4a56c47874558a53dec7 -rc016f7af2a4afdc96fc19b8db86dc8d3559de023
--- Ringtoets/GrassCoverErosionOutwards/src/Ringtoets.GrassCoverErosionOutwards.Forms/GrassCoverErosionOutwardsFailureMechanismPropertyChangeHandler.cs	(.../GrassCoverErosionOutwardsFailureMechanismPropertyChangeHandler.cs)	(revision 4d77063761342b4686ef4a56c47874558a53dec7)
+++ Ringtoets/GrassCoverErosionOutwards/src/Ringtoets.GrassCoverErosionOutwards.Forms/GrassCoverErosionOutwardsFailureMechanismPropertyChangeHandler.cs	(.../GrassCoverErosionOutwardsFailureMechanismPropertyChangeHandler.cs)	(revision c016f7af2a4afdc96fc19b8db86dc8d3559de023)
@@ -14,7 +14,7 @@
     /// Class which properly handles data model changes due to a change of a
     /// grass cover erosion outwards failure mechanism property.
     /// </summary>
-    public class GrassCoverErosionOutwardsFailureMechanismPropertyChangeHandler : FailureMechanismPropertyChangeHandler, IFailureMechanismPropertyChangeHandler<GrassCoverErosionOutwardsFailureMechanism>
+    public class GrassCoverErosionOutwardsFailureMechanismPropertyChangeHandler : FailureMechanismPropertyChangeHandler<GrassCoverErosionOutwardsFailureMechanism>
     {
         protected override string ConfirmationMessage
         {
@@ -24,7 +24,7 @@
             }
         }
 
-        public IEnumerable<IObservable> PropertyChanged(GrassCoverErosionOutwardsFailureMechanism failureMechanism)
+        public override IEnumerable<IObservable> PropertyChanged(GrassCoverErosionOutwardsFailureMechanism failureMechanism)
         {
             if (failureMechanism == null)
             {