Index: Ringtoets/HeightStructures/src/Ringtoets.HeightStructures.Service/HeightStructuresCalculationActivity.cs
===================================================================
diff -u -rec26e8cc8a4c043cfec1884597d87b3c2d81d059 -r1051f838aebbd5977351542027ce6330583b0d43
--- Ringtoets/HeightStructures/src/Ringtoets.HeightStructures.Service/HeightStructuresCalculationActivity.cs	(.../HeightStructuresCalculationActivity.cs)	(revision ec26e8cc8a4c043cfec1884597d87b3c2d81d059)
+++ Ringtoets/HeightStructures/src/Ringtoets.HeightStructures.Service/HeightStructuresCalculationActivity.cs	(.../HeightStructuresCalculationActivity.cs)	(revision 1051f838aebbd5977351542027ce6330583b0d43)
@@ -87,7 +87,7 @@
             var failureMechanismSection = failureMechanism.Sections.First(); // TODO: Obtain dike section based on cross section of structure with reference line
 
             PerformRun(() => HeightStructuresCalculationService.Validate(calculation, assessmentSection),
-                       () => calculation.ClearOutput(),
+                       () => HeightStructuresDataSynchronizationService.ClearCalculationOutput(calculation),
                        () => HeightStructuresCalculationService.Calculate(calculation,
                                                                           hlcdDirectory,
                                                                           failureMechanismSection,