Index: Ringtoets/Common/src/Ringtoets.Common.Data/Structures/IStructuresCalculationInput.cs
===================================================================
diff -u -r6ebe864bf0138360fbba9a2772e9faf763287e8a -r1c474d80a340cff18ba177241f856edf5f13e434
--- Ringtoets/Common/src/Ringtoets.Common.Data/Structures/IStructuresCalculationInput.cs	(.../IStructuresCalculationInput.cs)	(revision 6ebe864bf0138360fbba9a2772e9faf763287e8a)
+++ Ringtoets/Common/src/Ringtoets.Common.Data/Structures/IStructuresCalculationInput.cs	(.../IStructuresCalculationInput.cs)	(revision 1c474d80a340cff18ba177241f856edf5f13e434)
@@ -19,15 +19,14 @@
 // Stichting Deltares and remain full property of Stichting Deltares at all times.
 // All rights reserved.
 
-using System;
 using Ringtoets.Common.Data.Calculation;
 
 namespace Ringtoets.Common.Data.Structures
 {
     /// <summary>
     /// Interface describing an object that is the input to a structures calculation.
     /// </summary>
-    public interface IStructuresCalculationInput : ICalculationInput, ICloneable {}
+    public interface IStructuresCalculationInput : ICalculationInput {}
 
     /// <summary>
     /// Interface describing an object that is the input to a structures calculation.