Index: Ringtoets/DuneErosion/src/Ringtoets.DuneErosion.Data/DuneErosionFailureMechanism.cs
===================================================================
diff -u -r421cbbc8a7149960b5e6908bde1744c63e4d1169 -r42c710f0341da1ca4fc911ef8ba502a41073e400
--- Ringtoets/DuneErosion/src/Ringtoets.DuneErosion.Data/DuneErosionFailureMechanism.cs	(.../DuneErosionFailureMechanism.cs)	(revision 421cbbc8a7149960b5e6908bde1744c63e4d1169)
+++ Ringtoets/DuneErosion/src/Ringtoets.DuneErosion.Data/DuneErosionFailureMechanism.cs	(.../DuneErosionFailureMechanism.cs)	(revision 42c710f0341da1ca4fc911ef8ba502a41073e400)
@@ -77,14 +77,12 @@
             base.AddSection(section);
 
             sectionResults.Add(new DuneErosionFailureMechanismSectionResult(section));
-            sectionResults.NotifyObservers();
         }
 
         public override void ClearAllSections()
         {
             base.ClearAllSections();
             sectionResults.Clear();
-            sectionResults.NotifyObservers();
         }
     }
 }
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