Index: Riskeer/StabilityStoneCover/src/Riskeer.StabilityStoneCover.Plugin/StabilityStoneCoverPlugin.cs
===================================================================
diff -u -r3fc5872154df91afbec31b23be55faee8ab87091 -r82fa24f1a3d7cbcbe2cea897b43b75d4509a60de
--- Riskeer/StabilityStoneCover/src/Riskeer.StabilityStoneCover.Plugin/StabilityStoneCoverPlugin.cs	(.../StabilityStoneCoverPlugin.cs)	(revision 3fc5872154df91afbec31b23be55faee8ab87091)
+++ Riskeer/StabilityStoneCover/src/Riskeer.StabilityStoneCover.Plugin/StabilityStoneCoverPlugin.cs	(.../StabilityStoneCoverPlugin.cs)	(revision 82fa24f1a3d7cbcbe2cea897b43b75d4509a60de)
@@ -282,7 +282,7 @@
 
         private static bool CloseFailureMechanismResultViewForData(StabilityStoneCoverResultView view, object dataToCloseFor)
         {
-            StabilityStoneCoverFailureMechanism failureMechanism = null;
+            var failureMechanism = dataToCloseFor as StabilityStoneCoverFailureMechanism;
 
             if (dataToCloseFor is IAssessmentSection assessmentSection)
             {
Index: Riskeer/StabilityStoneCover/test/Riskeer.StabilityStoneCover.Plugin.Test/ViewInfos/StabilityStoneCoverResultViewInfoTest.cs
===================================================================
diff -u -rf5503aa2bc6bbeafb29a77b70e4162fa09473364 -r82fa24f1a3d7cbcbe2cea897b43b75d4509a60de
--- Riskeer/StabilityStoneCover/test/Riskeer.StabilityStoneCover.Plugin.Test/ViewInfos/StabilityStoneCoverResultViewInfoTest.cs	(.../StabilityStoneCoverResultViewInfoTest.cs)	(revision f5503aa2bc6bbeafb29a77b70e4162fa09473364)
+++ Riskeer/StabilityStoneCover/test/Riskeer.StabilityStoneCover.Plugin.Test/ViewInfos/StabilityStoneCoverResultViewInfoTest.cs	(.../StabilityStoneCoverResultViewInfoTest.cs)	(revision 82fa24f1a3d7cbcbe2cea897b43b75d4509a60de)
@@ -179,6 +179,38 @@
         }
 
         [Test]
+        public void CloseForData_ViewCorrespondingToRemovedFailureMechanism_ReturnsTrue()
+        {
+            // Setup
+            var failureMechanism = new StabilityStoneCoverFailureMechanism();
+
+            using (var view = new StabilityStoneCoverResultView(failureMechanism.SectionResults, failureMechanism))
+            {
+                // Call
+                bool closeForData = info.CloseForData(view, failureMechanism);
+
+                // Assert
+                Assert.IsTrue(closeForData);
+            }
+        }
+
+        [Test]
+        public void CloseForData_ViewNotCorrespondingToRemovedFailureMechanism_ReturnsFalse()
+        {
+            // Setup
+            var failureMechanism = new StabilityStoneCoverFailureMechanism();
+
+            using (var view = new StabilityStoneCoverResultView(failureMechanism.SectionResults, failureMechanism))
+            {
+                // Call
+                bool closeForData = info.CloseForData(view, new StabilityStoneCoverFailureMechanism());
+
+                // Assert
+                Assert.IsFalse(closeForData);
+            }
+        }
+        
+        [Test]
         public void CloseForData_ViewCorrespondingToRemovedFailurePathContext_ReturnsTrue()
         {
             // Setup