Index: Riskeer/GrassCoverErosionInwards/src/Riskeer.GrassCoverErosionInwards.Service/GrassCoverErosionInwardsDataSynchronizationService.cs
===================================================================
diff -u -rb4cf8f9c714eaf95f2a59954c893bc2e49b70c0e -rd060ade1010db983d94b74f96478b29d566a44cf
--- Riskeer/GrassCoverErosionInwards/src/Riskeer.GrassCoverErosionInwards.Service/GrassCoverErosionInwardsDataSynchronizationService.cs	(.../GrassCoverErosionInwardsDataSynchronizationService.cs)	(revision b4cf8f9c714eaf95f2a59954c893bc2e49b70c0e)
+++ Riskeer/GrassCoverErosionInwards/src/Riskeer.GrassCoverErosionInwards.Service/GrassCoverErosionInwardsDataSynchronizationService.cs	(.../GrassCoverErosionInwardsDataSynchronizationService.cs)	(revision d060ade1010db983d94b74f96478b29d566a44cf)
@@ -88,8 +88,8 @@
                                                                                         .Where(c => hydraulicBoundaryLocations.Contains(
                                                                                                    c.InputParameters.HydraulicBoundaryLocation)))
             {
-                affectedItems.AddRange(RiskeerCommonDataSynchronizationService.ClearCalculationOutput(calculation)
-                                                                              .Concat(ClearHydraulicBoundaryLocation(calculation.InputParameters)));
+                affectedItems.AddRange(RiskeerCommonDataSynchronizationService.ClearCalculationOutput(calculation));
+                affectedItems.AddRange(RiskeerCommonDataSynchronizationService.ClearHydraulicBoundaryLocation(calculation.InputParameters));
             }
 
             return affectedItems;
@@ -259,19 +259,5 @@
 
             return Enumerable.Empty<IObservable>();
         }
-
-        private static IEnumerable<IObservable> ClearHydraulicBoundaryLocation(GrassCoverErosionInwardsInput input)
-        {
-            if (input.HydraulicBoundaryLocation != null)
-            {
-                input.HydraulicBoundaryLocation = null;
-                return new[]
-                {
-                    input
-                };
-            }
-
-            return Enumerable.Empty<IObservable>();
-        }
     }
 }
\ No newline at end of file