Index: Ringtoets/Integration/src/Ringtoets.Integration.Plugin/RingtoetsPlugin.cs
===================================================================
diff -u -r0ac7450f53970c5742d115164a02e2304c0ce9d3 -r1051f838aebbd5977351542027ce6330583b0d43
--- Ringtoets/Integration/src/Ringtoets.Integration.Plugin/RingtoetsPlugin.cs	(.../RingtoetsPlugin.cs)	(revision 0ac7450f53970c5742d115164a02e2304c0ce9d3)
+++ Ringtoets/Integration/src/Ringtoets.Integration.Plugin/RingtoetsPlugin.cs	(.../RingtoetsPlugin.cs)	(revision 1051f838aebbd5977351542027ce6330583b0d43)
@@ -1146,15 +1146,10 @@
 
         private static void ClearCalculations(IAssessmentSection nodeData)
         {
-            var failureMechanisms = nodeData.GetFailureMechanisms();
+            RingtoetsDataSynchronizationService.ClearFailureMechanismCalculationOutputs(nodeData);
+            RingtoetsDataSynchronizationService.ClearHydraulicBoundaryLocationFromCalculations(nodeData);
+            RingtoetsDataSynchronizationService.NotifyCalculationObservers(nodeData);
 
-            foreach (ICalculation calc in failureMechanisms.SelectMany(fm => fm.Calculations))
-            {
-                calc.ClearOutput();
-                calc.ClearHydraulicBoundaryLocation();
-                calc.NotifyObservers();
-            }
-
             log.Info(RingtoetsFormsResources.Calculations_Cleared);
         }