Index: Riskeer/Storage/src/Riskeer.Storage.Core/Read/CalculationGroupEntityReadExtensions.cs
===================================================================
diff -u -r1eb9ed53b927cff7ee19afe65f9d6cd2431e08ce -r916caf46b4e0e2d8ed079f83c3c660bdd5712cb6
--- Riskeer/Storage/src/Riskeer.Storage.Core/Read/CalculationGroupEntityReadExtensions.cs	(.../CalculationGroupEntityReadExtensions.cs)	(revision 1eb9ed53b927cff7ee19afe65f9d6cd2431e08ce)
+++ Riskeer/Storage/src/Riskeer.Storage.Core/Read/CalculationGroupEntityReadExtensions.cs	(.../CalculationGroupEntityReadExtensions.cs)	(revision 916caf46b4e0e2d8ed079f83c3c660bdd5712cb6)
@@ -29,7 +29,6 @@
 using Riskeer.Storage.Core.Read.GrassCoverErosionOutwards;
 using Riskeer.Storage.Core.Read.HeightStructures;
 using Riskeer.Storage.Core.Read.MacroStabilityInwards;
-using Riskeer.Storage.Core.Read.Piping;
 using Riskeer.Storage.Core.Read.Piping.SemiProbabilistic;
 using Riskeer.Storage.Core.Read.StabilityPointStructures;
 using Riskeer.Storage.Core.Read.StabilityStoneCover;