Index: Ringtoets/DuneErosion/src/Ringtoets.DuneErosion.Data/DuneErosionFailureMechanismExtensions.cs
===================================================================
diff -u -r1842c5be2441b5fe3b19867ff69a30194d9534d0 -rf4f041e353f89e0e93a4243968acee599b2186a7
--- Ringtoets/DuneErosion/src/Ringtoets.DuneErosion.Data/DuneErosionFailureMechanismExtensions.cs	(.../DuneErosionFailureMechanismExtensions.cs)	(revision 1842c5be2441b5fe3b19867ff69a30194d9534d0)
+++ Ringtoets/DuneErosion/src/Ringtoets.DuneErosion.Data/DuneErosionFailureMechanismExtensions.cs	(.../DuneErosionFailureMechanismExtensions.cs)	(revision f4f041e353f89e0e93a4243968acee599b2186a7)
@@ -21,7 +21,6 @@
 
 using System;
 using Ringtoets.Common.Data.AssessmentSection;
-using Ringtoets.DuneErosion.Data.Properties;
 
 namespace Ringtoets.DuneErosion.Data
 {
@@ -50,11 +49,6 @@
                 throw new ArgumentNullException("assessmentSection");
             }
 
-            if (Math.Abs(failureMechanism.Contribution) < 1e-6)
-            {
-                throw new ArgumentException(Resources.DuneErosionFailureMechanismExtensions_GetMechanismSpecificNorm_Contribution_is_zero);
-            }
-
             return 2.15*(failureMechanism.Contribution/100)
                    *assessmentSection.FailureMechanismContribution.Norm
                    /failureMechanism.GeneralInput.N;