Index: Riskeer/Piping/src/Riskeer.Piping.Forms/ChangeHandlers/PipingFailureMechanismSectionConfigurationChangeHandler.cs
===================================================================
diff -u -r47898c53230f5d8f803fe0dc156c28591f5cb80f -r9bb3d0c910cd83f692a38199ac620fc82b3a945b
--- Riskeer/Piping/src/Riskeer.Piping.Forms/ChangeHandlers/PipingFailureMechanismSectionConfigurationChangeHandler.cs	(.../PipingFailureMechanismSectionConfigurationChangeHandler.cs)	(revision 47898c53230f5d8f803fe0dc156c28591f5cb80f)
+++ Riskeer/Piping/src/Riskeer.Piping.Forms/ChangeHandlers/PipingFailureMechanismSectionConfigurationChangeHandler.cs	(.../PipingFailureMechanismSectionConfigurationChangeHandler.cs)	(revision 9bb3d0c910cd83f692a38199ac620fc82b3a945b)
@@ -84,7 +84,6 @@
                     PropertyChanged(affectedCalculations);
                     changedObjects.Add(sectionConfiguration);
                     changedObjects.AddRange(affectedCalculations);
-                    changedObjects.AddRange(affectedCalculations.Select(c => c.InputParameters));
                 }
             }
             else
Index: Riskeer/Piping/test/Riskeer.Piping.Forms.Test/ChangeHandlers/PipingFailureMechanismSectionConfigurationChangeHandlerTest.cs
===================================================================
diff -u -r47898c53230f5d8f803fe0dc156c28591f5cb80f -r9bb3d0c910cd83f692a38199ac620fc82b3a945b
--- Riskeer/Piping/test/Riskeer.Piping.Forms.Test/ChangeHandlers/PipingFailureMechanismSectionConfigurationChangeHandlerTest.cs	(.../PipingFailureMechanismSectionConfigurationChangeHandlerTest.cs)	(revision 47898c53230f5d8f803fe0dc156c28591f5cb80f)
+++ Riskeer/Piping/test/Riskeer.Piping.Forms.Test/ChangeHandlers/PipingFailureMechanismSectionConfigurationChangeHandlerTest.cs	(.../PipingFailureMechanismSectionConfigurationChangeHandlerTest.cs)	(revision 9bb3d0c910cd83f692a38199ac620fc82b3a945b)
@@ -206,8 +206,7 @@
             CollectionAssert.AreEquivalent(new IObservable[]
             {
                 sectionConfiguration,
-                affectedCalculation,
-                affectedCalculation.InputParameters
+                affectedCalculation
             }, affectedObjects);
 
             Assert.IsFalse(affectedCalculation.HasOutput);