Index: Riskeer/StabilityStoneCover/src/Riskeer.StabilityStoneCover.Service/StabilityStoneCoverDataSynchronizationService.cs
===================================================================
diff -u -r1a996fae755a66696cb36fcb32946f0f25e864e7 -r76b75fd4055e2762fd762603dd181e38bbffda29
--- Riskeer/StabilityStoneCover/src/Riskeer.StabilityStoneCover.Service/StabilityStoneCoverDataSynchronizationService.cs	(.../StabilityStoneCoverDataSynchronizationService.cs)	(revision 1a996fae755a66696cb36fcb32946f0f25e864e7)
+++ Riskeer/StabilityStoneCover/src/Riskeer.StabilityStoneCover.Service/StabilityStoneCoverDataSynchronizationService.cs	(.../StabilityStoneCoverDataSynchronizationService.cs)	(revision 76b75fd4055e2762fd762603dd181e38bbffda29)
@@ -100,15 +100,13 @@
 
             var changedObjects = new List<IObservable>();
             object[] removedObjects = failureMechanism.Sections.OfType<object>()
-                                                      .Concat(failureMechanism.SectionResultsOld)
                                                       .Concat(failureMechanism.SectionResults)
                                                       .Concat(failureMechanism.WaveConditionsCalculationGroup.GetAllChildrenRecursive())
                                                       .Concat(failureMechanism.ForeshoreProfiles)
                                                       .ToArray();
 
             failureMechanism.ClearAllSections();
             changedObjects.Add(failureMechanism);
-            changedObjects.Add(failureMechanism.SectionResultsOld);
             changedObjects.Add(failureMechanism.SectionResults);
 
             failureMechanism.WaveConditionsCalculationGroup.Children.Clear();
Index: Riskeer/StabilityStoneCover/test/Riskeer.StabilityStoneCover.Service.Test/StabilityStoneCoverDataSynchronizationServiceTest.cs
===================================================================
diff -u -r7dc47760a60cbc34126fed738e5752ec5425c9e1 -r76b75fd4055e2762fd762603dd181e38bbffda29
--- Riskeer/StabilityStoneCover/test/Riskeer.StabilityStoneCover.Service.Test/StabilityStoneCoverDataSynchronizationServiceTest.cs	(.../StabilityStoneCoverDataSynchronizationServiceTest.cs)	(revision 7dc47760a60cbc34126fed738e5752ec5425c9e1)
+++ Riskeer/StabilityStoneCover/test/Riskeer.StabilityStoneCover.Service.Test/StabilityStoneCoverDataSynchronizationServiceTest.cs	(.../StabilityStoneCoverDataSynchronizationServiceTest.cs)	(revision 76b75fd4055e2762fd762603dd181e38bbffda29)
@@ -141,7 +141,6 @@
             StabilityStoneCoverFailureMechanism failureMechanism = CreateFullyConfiguredFailureMechanism();
 
             object[] expectedRemovedObjects = failureMechanism.Sections.OfType<object>()
-                                                              .Concat(failureMechanism.SectionResultsOld)
                                                               .Concat(failureMechanism.SectionResults)
                                                               .Concat(failureMechanism.WaveConditionsCalculationGroup.GetAllChildrenRecursive())
                                                               .Concat(failureMechanism.ForeshoreProfiles)
@@ -154,15 +153,13 @@
             // Note: To make sure the clear is performed regardless of what is done with
             // the return result, no ToArray() should be called before these assertions:
             CollectionAssert.IsEmpty(failureMechanism.Sections);
-            CollectionAssert.IsEmpty(failureMechanism.SectionResultsOld);
             CollectionAssert.IsEmpty(failureMechanism.SectionResults);
             CollectionAssert.IsEmpty(failureMechanism.WaveConditionsCalculationGroup.Children);
             CollectionAssert.IsEmpty(failureMechanism.ForeshoreProfiles);
 
             IObservable[] array = results.ChangedObjects.ToArray();
-            Assert.AreEqual(5, array.Length);
+            Assert.AreEqual(4, array.Length);
             CollectionAssert.Contains(array, failureMechanism);
-            CollectionAssert.Contains(array, failureMechanism.SectionResultsOld);
             CollectionAssert.Contains(array, failureMechanism.SectionResults);
             CollectionAssert.Contains(array, failureMechanism.WaveConditionsCalculationGroup);
             CollectionAssert.Contains(array, failureMechanism.ForeshoreProfiles);