Index: Ringtoets/Piping/src/Ringtoets.Piping.Data/PipingFailureMechanism.cs
===================================================================
diff -u -rce8424c77c708edc0bb2150a9a6a0e75dad629fa -rfcc734ebbc1e5c6c02ae2dae2a184fdcb9aa4d1b
--- Ringtoets/Piping/src/Ringtoets.Piping.Data/PipingFailureMechanism.cs	(.../PipingFailureMechanism.cs)	(revision ce8424c77c708edc0bb2150a9a6a0e75dad629fa)
+++ Ringtoets/Piping/src/Ringtoets.Piping.Data/PipingFailureMechanism.cs	(.../PipingFailureMechanism.cs)	(revision fcc734ebbc1e5c6c02ae2dae2a184fdcb9aa4d1b)
@@ -59,18 +59,6 @@
             }
         }
 
-        public override double Contribution
-        {
-            get
-            {
-                return PipingProbabilityAssessmentInput.Contribution;
-            }
-            set
-            {
-                PipingProbabilityAssessmentInput.Contribution = value;
-            }
-        }
-
         /// <summary>
         /// Gets the available <see cref="RingtoetsPipingSurfaceLine"/> within the scope of the piping failure mechanism.
         /// </summary>