Index: Ringtoets/Common/src/Ringtoets.Common.Service/RingtoetsCommonDataCalculationService.cs
===================================================================
diff -u -rb2b9fdf365e70928a05c57966eeed30d9050e528 -rab0d105b9a42cd88f3d112314e2d079755bfd91b
--- Ringtoets/Common/src/Ringtoets.Common.Service/RingtoetsCommonDataCalculationService.cs	(.../RingtoetsCommonDataCalculationService.cs)	(revision b2b9fdf365e70928a05c57966eeed30d9050e528)
+++ Ringtoets/Common/src/Ringtoets.Common.Service/RingtoetsCommonDataCalculationService.cs	(.../RingtoetsCommonDataCalculationService.cs)	(revision ab0d105b9a42cd88f3d112314e2d079755bfd91b)
@@ -52,15 +52,9 @@
         /// <param name="failureMechanismContribution">The failure mechanism contribution.</param>
         /// <param name="n">The 'N' parameter used to factor in the 'length effect'.</param>
         /// <returns>The profile specific required probability.</returns>
-        /// <exception cref="ArgumentOutOfRangeException">Thrown when <paramref name="failureMechanismContribution"/> is not greater than 0 
-        /// or when <paramref name="n"/> is 0.</exception>
+        /// <exception cref="ArgumentOutOfRangeException">Thrown when <paramref name="n"/> is 0.</exception>
         public static double ProfileSpecificRequiredProbability(double norm, double failureMechanismContribution, int n)
         {
-            if (!(failureMechanismContribution > 0))
-            {
-                throw new ArgumentOutOfRangeException(nameof(failureMechanismContribution), failureMechanismContribution,
-                                                      Resources.RingtoetsCommonDataCalculationService_ProfileSpecificRequiredProbability_Contribution_is_zero_or_negative);
-            }
             if (n == 0)
             {
                 throw new ArgumentOutOfRangeException(nameof(n), n, Resources.RingtoetsCommonDataCalculationService_ProfileSpecificRequiredProbability_N_is_zero);