Index: Ringtoets/Piping/src/Ringtoets.Piping.Forms/NodePresenters/PipingFailureMechanismNodePresenter.cs
===================================================================
diff -u -red0b4ea830beb801bcc0e3eb5b28993001ed2981 -re388ea76d1d044298cc89156c8744fbea1bcb736
--- Ringtoets/Piping/src/Ringtoets.Piping.Forms/NodePresenters/PipingFailureMechanismNodePresenter.cs	(.../PipingFailureMechanismNodePresenter.cs)	(revision ed0b4ea830beb801bcc0e3eb5b28993001ed2981)
+++ Ringtoets/Piping/src/Ringtoets.Piping.Forms/NodePresenters/PipingFailureMechanismNodePresenter.cs	(.../PipingFailureMechanismNodePresenter.cs)	(revision e388ea76d1d044298cc89156c8744fbea1bcb736)
@@ -38,7 +38,7 @@
             node.Image = Resources.PipingIcon;
         }
 
-        protected override IEnumerable GetChildNodeObjects(PipingFailureMechanism failureMechanism, ITreeNode node)
+        protected override IEnumerable GetChildNodeObjects(PipingFailureMechanism failureMechanism)
         {
             yield return new CategoryTreeFolder(RingtoetsCommonFormsResources.FailureMechanism_Inputs_DisplayName, GetInputs(failureMechanism), TreeFolderCategory.Input);
             yield return new PipingCalculationsTreeFolder(RingtoetsCommonFormsResources.FailureMechanism_Calculations_DisplayName, failureMechanism);