Index: Ringtoets/Integration/src/Ringtoets.Integration.Service/RingtoetsDataSynchronizationService.cs
===================================================================
diff -u -racfa9d23d1770ca3171668552ddbe6d63fdd0dcd -r2a0fbe6ec22928831305671ecd4f41030b827250
--- Ringtoets/Integration/src/Ringtoets.Integration.Service/RingtoetsDataSynchronizationService.cs	(.../RingtoetsDataSynchronizationService.cs)	(revision acfa9d23d1770ca3171668552ddbe6d63fdd0dcd)
+++ Ringtoets/Integration/src/Ringtoets.Integration.Service/RingtoetsDataSynchronizationService.cs	(.../RingtoetsDataSynchronizationService.cs)	(revision 2a0fbe6ec22928831305671ecd4f41030b827250)
@@ -481,15 +481,16 @@
             foreach (GrassCoverErosionInwardsCalculation calculation in calculationWithRemovedDikeProfile)
             {
                 calculation.InputParameters.DikeProfile = null;
-                IEnumerable<GrassCoverErosionInwardsFailureMechanismSectionResult> changedSectionResults =
-                    GrassCoverErosionInwardsHelper.Delete(failureMechanism.SectionResults, calculation, calculations);
-                foreach (GrassCoverErosionInwardsFailureMechanismSectionResult result in changedSectionResults)
-                {
-                    changedObservables.Add(result);
-                }
                 changedObservables.Add(calculation.InputParameters);
             }
 
+            IEnumerable<GrassCoverErosionInwardsFailureMechanismSectionResult> changedSectionResults =
+                GrassCoverErosionInwardsHelper.UpdateCalculationToSectionResultAssignments(failureMechanism.SectionResults, calculations);
+            foreach (GrassCoverErosionInwardsFailureMechanismSectionResult result in changedSectionResults)
+            {
+                changedObservables.Add(result);
+            }
+
             failureMechanism.DikeProfiles.Remove(profile);
             changedObservables.Add(failureMechanism.DikeProfiles);