Index: Ringtoets/Piping/src/Ringtoets.Piping.InputParameterCalculation/InputParameterCalculationService.cs
===================================================================
diff -u -r8a2cbeb8a9c5b0c8d5062af1a2a825d2b9134bf3 -rcd7fd343b85d2c9272033a59a0f1bc50bc8a8d0d
--- Ringtoets/Piping/src/Ringtoets.Piping.InputParameterCalculation/InputParameterCalculationService.cs	(.../InputParameterCalculationService.cs)	(revision 8a2cbeb8a9c5b0c8d5062af1a2a825d2b9134bf3)
+++ Ringtoets/Piping/src/Ringtoets.Piping.InputParameterCalculation/InputParameterCalculationService.cs	(.../InputParameterCalculationService.cs)	(revision cd7fd343b85d2c9272033a59a0f1bc50bc8a8d0d)
@@ -19,7 +19,6 @@
 // Stichting Deltares and remain full property of Stichting Deltares at all times.
 // All rights reserved.
 
-using System;
 using Core.Common.Base.Data;
 using Ringtoets.Piping.KernelWrapper;
 using Ringtoets.Piping.KernelWrapper.SubCalculator;