Index: Ringtoets/GrassCoverErosionInwards/src/Ringtoets.GrassCoverErosionInwards.Data/GrassCoverErosionInwardsCalculation.cs
===================================================================
diff -u -r83003ce3a26b35511212cc95936e8574bea66516 -r11f0867b39150ae5fac83dc178a89fee46d27611
--- Ringtoets/GrassCoverErosionInwards/src/Ringtoets.GrassCoverErosionInwards.Data/GrassCoverErosionInwardsCalculation.cs	(.../GrassCoverErosionInwardsCalculation.cs)	(revision 83003ce3a26b35511212cc95936e8574bea66516)
+++ Ringtoets/GrassCoverErosionInwards/src/Ringtoets.GrassCoverErosionInwards.Data/GrassCoverErosionInwardsCalculation.cs	(.../GrassCoverErosionInwardsCalculation.cs)	(revision 11f0867b39150ae5fac83dc178a89fee46d27611)
@@ -20,7 +20,6 @@
 // All rights reserved.
 
 using Core.Common.Base;
-using Core.Common.Base.Storage;
 using Ringtoets.Common.Data.Calculation;
 using Ringtoets.Common.Data.Probability;
 using Ringtoets.GrassCoverErosionInwards.Data.Properties;
@@ -30,7 +29,7 @@
     /// <summary>
     /// This class holds information about a calculation for the <see cref="GrassCoverErosionInwardsFailureMechanism"/>.
     /// </summary>
-    public class GrassCoverErosionInwardsCalculation : Observable, ICalculation, IStorable
+    public class GrassCoverErosionInwardsCalculation : Observable, ICalculation
     {
         /// <summary>
         /// Creates a new instance of <see cref="GrassCoverErosionInwardsCalculation"/>.
@@ -63,8 +62,6 @@
             }
         }
 
-        public long StorageId { get; set; }
-
         /// <summary>
         /// Returns a string that represents the current object.
         /// </summary>