Index: DamEngine/trunk/src/Deltares.DamEngine.Calculators/KernelWrappers/MacroStabilityCommon/MacroStabilityIo/FillMacroStabilityWrapperInputFromEngine.cs
===================================================================
diff -u -r5670 -r5684
--- DamEngine/trunk/src/Deltares.DamEngine.Calculators/KernelWrappers/MacroStabilityCommon/MacroStabilityIo/FillMacroStabilityWrapperInputFromEngine.cs	(.../FillMacroStabilityWrapperInputFromEngine.cs)	(revision 5670)
+++ DamEngine/trunk/src/Deltares.DamEngine.Calculators/KernelWrappers/MacroStabilityCommon/MacroStabilityIo/FillMacroStabilityWrapperInputFromEngine.cs	(.../FillMacroStabilityWrapperInputFromEngine.cs)	(revision 5684)
@@ -381,11 +381,6 @@
 
     private void TransferBishopCalculationGrid(BishopCalculationCircle kernelBishopCalculationCircle)
     {
-        if (BishopCalculationGrid == null)
-        {
-            throw new ArgumentNullException(nameof(BishopCalculationGrid));
-        }
-
         if (kernelBishopCalculationCircle == null)
         {
             throw new ArgumentNullException(nameof(kernelBishopCalculationCircle));
@@ -409,11 +404,6 @@
 
     private void TransferUpliftVanCalculationGrid(KernelUpliftVanCalculationGrid kernelUpliftVanCalculationGrid)
     {
-        if (UpliftVanCalculationGrid == null)
-        {
-            throw new ArgumentNullException(nameof(UpliftVanCalculationGrid));
-        }
-
         if (kernelUpliftVanCalculationGrid == null)
         {
             throw new ArgumentNullException(nameof(kernelUpliftVanCalculationGrid));