Index: Application/Ringtoets/src/Application.Ringtoets.Storage/Create/Piping/PipingSoilProfileCreateExtensions.cs
===================================================================
diff -u -r1a062846c75d2d86454dc052adc7a5993b79963e -r7ae9100ff4e61169edcefaeb01b72d492431742f
--- Application/Ringtoets/src/Application.Ringtoets.Storage/Create/Piping/PipingSoilProfileCreateExtensions.cs	(.../PipingSoilProfileCreateExtensions.cs)	(revision 1a062846c75d2d86454dc052adc7a5993b79963e)
+++ Application/Ringtoets/src/Application.Ringtoets.Storage/Create/Piping/PipingSoilProfileCreateExtensions.cs	(.../PipingSoilProfileCreateExtensions.cs)	(revision 7ae9100ff4e61169edcefaeb01b72d492431742f)
@@ -56,18 +56,18 @@
                 Bottom = profile.Bottom.ToNaNAsNull()
             };
 
-            AddEntitiesForPipingSoilLayers(profile, registry, entity);
+            AddEntitiesForPipingSoilLayers(profile, entity);
 
             registry.Register(entity, profile);
             return entity;
         }
 
-        private static void AddEntitiesForPipingSoilLayers(PipingSoilProfile profile, PersistenceRegistry registry, SoilProfileEntity entity)
+        private static void AddEntitiesForPipingSoilLayers(PipingSoilProfile profile, SoilProfileEntity entity)
         {
             int index = 0;
             foreach (var pipingSoilLayer in profile.Layers)
             {
-                entity.SoilLayerEntities.Add(pipingSoilLayer.Create(registry, index++));
+                entity.SoilLayerEntities.Add(pipingSoilLayer.Create(index++));
             }
         }
     }