Index: Ringtoets/Integration/src/Ringtoets.Integration.Service/RingtoetsDataSynchronizationService.cs
===================================================================
diff -u -r8040e31601162c922a80caf2bb2675eddb55227b -r97a0522a94ad88d0087d737fcda84c2f3fe0ee7c
--- Ringtoets/Integration/src/Ringtoets.Integration.Service/RingtoetsDataSynchronizationService.cs	(.../RingtoetsDataSynchronizationService.cs)	(revision 8040e31601162c922a80caf2bb2675eddb55227b)
+++ Ringtoets/Integration/src/Ringtoets.Integration.Service/RingtoetsDataSynchronizationService.cs	(.../RingtoetsDataSynchronizationService.cs)	(revision 97a0522a94ad88d0087d737fcda84c2f3fe0ee7c)
@@ -292,11 +292,7 @@
                     IEnumerable<IObservable> affectedDuneLocations =
                         DuneErosionDataSynchronizationService.ClearDuneLocationOutput(duneErosionFailureMechanism.DuneLocations);
 
-                    if (affectedDuneLocations.Any())
-                    {
-                        changedObservables.Add(duneErosionFailureMechanism.DuneLocations);
-                        changedObservables.AddRange(affectedDuneLocations);
-                    }
+                    changedObservables.AddRange(affectedDuneLocations);
                 }
             }
 
Index: Ringtoets/Integration/test/Ringtoets.Integration.Plugin.Test/Handlers/AssessmentSectionCompositionChangeHandlerTest.cs
===================================================================
diff -u -r8040e31601162c922a80caf2bb2675eddb55227b -r97a0522a94ad88d0087d737fcda84c2f3fe0ee7c
--- Ringtoets/Integration/test/Ringtoets.Integration.Plugin.Test/Handlers/AssessmentSectionCompositionChangeHandlerTest.cs	(.../AssessmentSectionCompositionChangeHandlerTest.cs)	(revision 8040e31601162c922a80caf2bb2675eddb55227b)
+++ Ringtoets/Integration/test/Ringtoets.Integration.Plugin.Test/Handlers/AssessmentSectionCompositionChangeHandlerTest.cs	(.../AssessmentSectionCompositionChangeHandlerTest.cs)	(revision 97a0522a94ad88d0087d737fcda84c2f3fe0ee7c)
@@ -252,7 +252,6 @@
                                            .Concat(grassCoverErosionOutwardsFailureMechanism.HydraulicBoundaryLocations)
                                            .Concat(new IObservable[]
                                            {
-                                               duneErosionFailureMechanism.DuneLocations,
                                                assessmentSection
                                            })
                                            .Concat(GetDuneRelevantFailureMechanisms(assessmentSection)
@@ -317,8 +316,7 @@
             IEnumerable<IObservable> expectedAffectedObjects = duneErosionFailureMechanism.DuneLocations.Where(dl => dl.Output != null)
                                                                                           .Concat(new IObservable[]
                                                                                           {
-                                                                                              assessmentSection,
-                                                                                              duneErosionFailureMechanism.DuneLocations
+                                                                                              assessmentSection
                                                                                           })
                                                                                           .ToList();
 
@@ -376,7 +374,6 @@
                                            .Concat(grassCoverErosionOutwardsFailureMechanism.HydraulicBoundaryLocations)
                                            .Concat(new IObservable[]
                                            {
-                                               duneErosionFailureMechanism.DuneLocations,
                                                assessmentSection
                                            })
                                            .Concat(GetDuneRelevantFailureMechanisms(assessmentSection)
@@ -429,8 +426,7 @@
             IEnumerable<IObservable> expectedAffectedObjects = duneErosionFailureMechanism.DuneLocations.Where(dl => dl.Output != null)
                                                                                           .Concat(new IObservable[]
                                                                                           {
-                                                                                              assessmentSection,
-                                                                                              duneErosionFailureMechanism.DuneLocations
+                                                                                              assessmentSection
                                                                                           })
                                                                                           .ToList();
 
Index: Ringtoets/Integration/test/Ringtoets.Integration.Plugin.Test/Handlers/FailureMechanismContributionNormChangeHandlerTest.cs
===================================================================
diff -u -r8040e31601162c922a80caf2bb2675eddb55227b -r97a0522a94ad88d0087d737fcda84c2f3fe0ee7c
--- Ringtoets/Integration/test/Ringtoets.Integration.Plugin.Test/Handlers/FailureMechanismContributionNormChangeHandlerTest.cs	(.../FailureMechanismContributionNormChangeHandlerTest.cs)	(revision 8040e31601162c922a80caf2bb2675eddb55227b)
+++ Ringtoets/Integration/test/Ringtoets.Integration.Plugin.Test/Handlers/FailureMechanismContributionNormChangeHandlerTest.cs	(.../FailureMechanismContributionNormChangeHandlerTest.cs)	(revision 97a0522a94ad88d0087d737fcda84c2f3fe0ee7c)
@@ -137,8 +137,7 @@
                                             .Concat(assessmentSection.DuneErosion.DuneLocations.Where(dl => dl.Output != null))
                                             .Concat(new IObservable[]
                                             {
-                                                assessmentSection.FailureMechanismContribution,
-                                                assessmentSection.DuneErosion.DuneLocations
+                                                assessmentSection.FailureMechanismContribution
                                             }).ToList();
 
             var handler = new FailureMechanismContributionNormChangeHandler(assessmentSection);
@@ -191,8 +190,7 @@
                                  .Concat(assessmentSection.DuneErosion.DuneLocations.Where(dl => dl.Output != null))
                                  .Concat(new IObservable[]
                                  {
-                                     assessmentSection.FailureMechanismContribution,
-                                     assessmentSection.DuneErosion.DuneLocations
+                                     assessmentSection.FailureMechanismContribution
                                  }).ToList();
 
             var handler = new FailureMechanismContributionNormChangeHandler(assessmentSection);
Index: Ringtoets/Integration/test/Ringtoets.Integration.Service.Test/RingtoetsDataSynchronizationServiceTest.cs
===================================================================
diff -u -r8040e31601162c922a80caf2bb2675eddb55227b -r97a0522a94ad88d0087d737fcda84c2f3fe0ee7c
--- Ringtoets/Integration/test/Ringtoets.Integration.Service.Test/RingtoetsDataSynchronizationServiceTest.cs	(.../RingtoetsDataSynchronizationServiceTest.cs)	(revision 8040e31601162c922a80caf2bb2675eddb55227b)
+++ Ringtoets/Integration/test/Ringtoets.Integration.Service.Test/RingtoetsDataSynchronizationServiceTest.cs	(.../RingtoetsDataSynchronizationServiceTest.cs)	(revision 97a0522a94ad88d0087d737fcda84c2f3fe0ee7c)
@@ -331,7 +331,6 @@
             if (duneLocation.Output != null)
             {
                 expectedAffectedItems.Add(duneLocation);
-                expectedAffectedItems.Add(duneErosionFailureMechanism.DuneLocations);
             }
 
             // Call
@@ -396,7 +395,6 @@
             if (duneLocation.Output != null)
             {
                 expectedAffectedItems.Add(duneLocation);
-                expectedAffectedItems.Add(duneErosionFailureMechanism.DuneLocations);
             }
 
             // Call
@@ -457,7 +455,6 @@
             if (duneLocation.Output != null)
             {
                 expectedAffectedItems.Add(duneLocation);
-                expectedAffectedItems.Add(duneErosionFailureMechanism.DuneLocations);
             }
 
             // Call