Index: Ringtoets/Piping/src/Ringtoets.Piping.Data/RingtoetsPipingSurfaceLine.cs
===================================================================
diff -u -r82c08997cab1058c739a21c9339e4fef59ee58ff -rdaf4bf00e8ea376485f54faa2fee8497607ddfb0
--- Ringtoets/Piping/src/Ringtoets.Piping.Data/RingtoetsPipingSurfaceLine.cs	(.../RingtoetsPipingSurfaceLine.cs)	(revision 82c08997cab1058c739a21c9339e4fef59ee58ff)
+++ Ringtoets/Piping/src/Ringtoets.Piping.Data/RingtoetsPipingSurfaceLine.cs	(.../RingtoetsPipingSurfaceLine.cs)	(revision daf4bf00e8ea376485f54faa2fee8497607ddfb0)
@@ -25,7 +25,7 @@
 using System.Linq;
 using Core.Common.Base.Geometry;
 using MathNet.Numerics.LinearAlgebra.Double;
-using Ringtoets.Piping.Data.Calculation;
+
 using Ringtoets.Piping.Data.Exceptions;
 using Ringtoets.Piping.Data.Properties;