Index: Riskeer/Common/src/Riskeer.Common.IO/FileImporters/FailureMechanismSectionReplaceStrategy.cs
===================================================================
diff -u -r3192f0b781afb4da048556c46e1b78c4079d05e4 -r75d9aa3f5d93ff0b6f4b725c5c3731277b0dcb29
--- Riskeer/Common/src/Riskeer.Common.IO/FileImporters/FailureMechanismSectionReplaceStrategy.cs	(.../FailureMechanismSectionReplaceStrategy.cs)	(revision 3192f0b781afb4da048556c46e1b78c4079d05e4)
+++ Riskeer/Common/src/Riskeer.Common.IO/FileImporters/FailureMechanismSectionReplaceStrategy.cs	(.../FailureMechanismSectionReplaceStrategy.cs)	(revision 75d9aa3f5d93ff0b6f4b725c5c3731277b0dcb29)
@@ -77,11 +77,6 @@
                 throw new UpdateDataException(e.Message, e);
             }
 
-            if (failurePath is IHasSectionResults<FailureMechanismSectionResultOld> hasSectionResultsOld)
-            {
-                affectedObjects.Add(hasSectionResultsOld.SectionResultsOld);
-            }
-
             if (failurePath is IHasSectionResults<FailureMechanismSectionResultOld, FailureMechanismSectionResult> hasSectionResults)
             {
                 affectedObjects.Add(hasSectionResults.SectionResults);
Index: Riskeer/Common/test/Riskeer.Common.IO.Test/FileImporters/FailureMechanismSectionReplaceStrategyTest.cs
===================================================================
diff -u -r3192f0b781afb4da048556c46e1b78c4079d05e4 -r75d9aa3f5d93ff0b6f4b725c5c3731277b0dcb29
--- Riskeer/Common/test/Riskeer.Common.IO.Test/FileImporters/FailureMechanismSectionReplaceStrategyTest.cs	(.../FailureMechanismSectionReplaceStrategyTest.cs)	(revision 3192f0b781afb4da048556c46e1b78c4079d05e4)
+++ Riskeer/Common/test/Riskeer.Common.IO.Test/FileImporters/FailureMechanismSectionReplaceStrategyTest.cs	(.../FailureMechanismSectionReplaceStrategyTest.cs)	(revision 75d9aa3f5d93ff0b6f4b725c5c3731277b0dcb29)
@@ -146,7 +146,6 @@
             CollectionAssert.AreEqual(new IObservable[]
             {
                 failureMechanism,
-                failureMechanism.SectionResultsOld,
                 failureMechanism.SectionResults
             }, affectedObjects);
         }
Index: Riskeer/Common/test/Riskeer.Common.IO.Test/FileImporters/FailureMechanismSectionUpdateStrategyTest.cs
===================================================================
diff -u -r9467c0d784b05ccb42803f38d5952fc5819bffa2 -r75d9aa3f5d93ff0b6f4b725c5c3731277b0dcb29
--- Riskeer/Common/test/Riskeer.Common.IO.Test/FileImporters/FailureMechanismSectionUpdateStrategyTest.cs	(.../FailureMechanismSectionUpdateStrategyTest.cs)	(revision 9467c0d784b05ccb42803f38d5952fc5819bffa2)
+++ Riskeer/Common/test/Riskeer.Common.IO.Test/FileImporters/FailureMechanismSectionUpdateStrategyTest.cs	(.../FailureMechanismSectionUpdateStrategyTest.cs)	(revision 75d9aa3f5d93ff0b6f4b725c5c3731277b0dcb29)
@@ -220,7 +220,7 @@
             var exception = Assert.Throws<UpdateDataException>(Call);
             Assert.IsInstanceOf<ArgumentException>(exception.InnerException);
             Assert.AreEqual(exception.InnerException.Message, exception.Message);
-            Assert.IsFalse(sectionResultUpdateStrategy.UpdatedOld);
+            Assert.IsFalse(sectionResultUpdateStrategy.Update);
         }
 
         [Test]
@@ -252,11 +252,11 @@
             // Assert
             Assert.AreEqual(sourcePath, failureMechanism.FailureMechanismSectionSourcePath);
             Assert.IsEmpty(failureMechanismSections);
-            Assert.IsFalse(sectionResultUpdateStrategy.UpdatedOld);
+            Assert.IsFalse(sectionResultUpdateStrategy.Update);
             CollectionAssert.AreEqual(new IObservable[]
             {
                 failureMechanism,
-                failureMechanism.SectionResultsOld
+                failureMechanism.SectionResults
             }, affectedObjects);
         }
 
@@ -279,13 +279,13 @@
 
         private class TestUpdateFailureMechanismSectionResultUpdateStrategy : IFailureMechanismSectionResultUpdateStrategy<FailureMechanismSectionResult>
         {
-            public bool UpdatedOld { get; private set; }
+            public bool Update { get; private set; }
             public FailureMechanismSectionResult Origin { get; private set; }
             public FailureMechanismSectionResult Target { get; private set; }
 
             public void UpdateSectionResult(FailureMechanismSectionResult origin, FailureMechanismSectionResult target)
             {
-                UpdatedOld = true;
+                Update = true;
                 Origin = origin;
                 Target = target;
             }