Index: Riskeer/MacroStabilityInwards/src/Riskeer.MacroStabilityInwards.Data/MacroStabilityInwardsFailureMechanism.cs
===================================================================
diff -u -r8b8b8024a091ac35ac8b4e0be7a6ea702a698c27 -re71edd5419b172c4f428cf6b71fe8f7fc78f507f
--- Riskeer/MacroStabilityInwards/src/Riskeer.MacroStabilityInwards.Data/MacroStabilityInwardsFailureMechanism.cs	(.../MacroStabilityInwardsFailureMechanism.cs)	(revision 8b8b8024a091ac35ac8b4e0be7a6ea702a698c27)
+++ Riskeer/MacroStabilityInwards/src/Riskeer.MacroStabilityInwards.Data/MacroStabilityInwardsFailureMechanism.cs	(.../MacroStabilityInwardsFailureMechanism.cs)	(revision e71edd5419b172c4f428cf6b71fe8f7fc78f507f)
@@ -35,8 +35,6 @@
     public class MacroStabilityInwardsFailureMechanism : FailureMechanismBase,
                                                          ICalculatableFailureMechanism
     {
-        private FailureMechanismSectionCollection sectionCollection;
-
         /// <summary>
         /// Initializes a new instance of the <see cref="MacroStabilityInwardsFailureMechanism"/> class.
         /// </summary>
@@ -51,7 +49,6 @@
             {
                 Name = RiskeerCommonDataResources.FailureMechanism_Calculations_DisplayName
             };
-            sectionCollection = new FailureMechanismSectionCollection();
         }
 
         /// <summary>
@@ -84,36 +81,5 @@
                 return CalculationsGroup.GetCalculations();
             }
         }
-
-        public IEnumerable<FailureMechanismSection> Sections
-        {
-            get
-            {
-                return sectionCollection;
-            }
-        }
-
-        public string FailureMechanismSectionSourcePath
-        {
-            get
-            {
-                return sectionCollection.SourcePath;
-            }
-        }
-
-        public void SetSections(IEnumerable<FailureMechanismSection> sections, string sourcePath)
-        {
-            if (sections == null)
-            {
-                throw new ArgumentNullException(nameof(sections));
-            }
-
-            if (sourcePath == null)
-            {
-                throw new ArgumentNullException(nameof(sourcePath));
-            }
-
-            sectionCollection.SetSections(sections, sourcePath);
-        }
     }
 }
\ No newline at end of file
Index: Riskeer/MacroStabilityInwards/src/Riskeer.MacroStabilityInwards.Forms/Views/MacroStabilityInwardsFailureMechanismView.cs
===================================================================
diff -u -rb7563beb9774f2f1f733dd041941efe962080911 -re71edd5419b172c4f428cf6b71fe8f7fc78f507f
--- Riskeer/MacroStabilityInwards/src/Riskeer.MacroStabilityInwards.Forms/Views/MacroStabilityInwardsFailureMechanismView.cs	(.../MacroStabilityInwardsFailureMechanismView.cs)	(revision b7563beb9774f2f1f733dd041941efe962080911)
+++ Riskeer/MacroStabilityInwards/src/Riskeer.MacroStabilityInwards.Forms/Views/MacroStabilityInwardsFailureMechanismView.cs	(.../MacroStabilityInwardsFailureMechanismView.cs)	(revision e71edd5419b172c4f428cf6b71fe8f7fc78f507f)
@@ -28,7 +28,6 @@
 using Core.Components.Gis.Forms;
 using Riskeer.Common.Data.AssessmentSection;
 using Riskeer.Common.Data.Calculation;
-using Riskeer.Common.Data.FailureMechanism;
 using Riskeer.Common.Data.Hydraulics;
 using Riskeer.Common.Forms.Factories;
 using Riskeer.Common.Forms.Helpers;
@@ -52,11 +51,6 @@
         private MapPointData hydraulicBoundaryLocationsMapData;
         private MapLineData calculationsMapData;
 
-        private MapLineData sectionsMapData;
-        private MapPointData sectionsStartPointMapData;
-        private MapPointData sectionsEndPointMapData;
-
-        private Observer failureMechanismObserver;
         private Observer hydraulicBoundaryLocationsObserver;
         private Observer assessmentSectionObserver;
         private Observer referenceLineObserver;
@@ -128,7 +122,6 @@
 
         protected override void Dispose(bool disposing)
         {
-            failureMechanismObserver.Dispose();
             assessmentSectionObserver.Dispose();
             referenceLineObserver.Dispose();
             waterLevelCalculationsForFactorizedSignalingNormObserver.Dispose();
@@ -164,30 +157,16 @@
             surfaceLinesMapData = RiskeerMapDataFactory.CreateSurfaceLinesMapData();
             calculationsMapData = RiskeerMapDataFactory.CreateCalculationsMapData();
 
-            MapDataCollection sectionsMapDataCollection = RiskeerMapDataFactory.CreateSectionsMapDataCollection();
-            sectionsMapData = RiskeerMapDataFactory.CreateFailureMechanismSectionsMapData();
-            sectionsStartPointMapData = RiskeerMapDataFactory.CreateFailureMechanismSectionsStartPointMapData();
-            sectionsEndPointMapData = RiskeerMapDataFactory.CreateFailureMechanismSectionsEndPointMapData();
-
             mapDataCollection.Add(referenceLineMapData);
             mapDataCollection.Add(stochasticSoilModelsMapData);
             mapDataCollection.Add(surfaceLinesMapData);
 
-            sectionsMapDataCollection.Add(sectionsMapData);
-            sectionsMapDataCollection.Add(sectionsStartPointMapData);
-            sectionsMapDataCollection.Add(sectionsEndPointMapData);
-            mapDataCollection.Add(sectionsMapDataCollection);
-
             mapDataCollection.Add(hydraulicBoundaryLocationsMapData);
             mapDataCollection.Add(calculationsMapData);
         }
 
         private void CreateObservers()
         {
-            failureMechanismObserver = new Observer(UpdateFailureMechanismMapData)
-            {
-                Observable = FailureMechanism
-            };
             assessmentSectionObserver = new Observer(UpdateReferenceLineMapData)
             {
                 Observable = AssessmentSection
@@ -252,7 +231,6 @@
             SetHydraulicBoundaryLocationsMapData();
             SetReferenceLineMapData();
 
-            SetSectionsMapData();
             SetSurfaceLinesMapData();
             SetStochasticSoilModelsMapData();
         }
@@ -305,27 +283,6 @@
 
         #endregion
 
-        #region FailureMechanism MapData
-
-        private void UpdateFailureMechanismMapData()
-        {
-            SetSectionsMapData();
-            sectionsMapData.NotifyObservers();
-            sectionsStartPointMapData.NotifyObservers();
-            sectionsEndPointMapData.NotifyObservers();
-        }
-
-        private void SetSectionsMapData()
-        {
-            IEnumerable<FailureMechanismSection> failureMechanismSections = FailureMechanism.Sections;
-
-            sectionsMapData.Features = RiskeerMapDataFeaturesFactory.CreateFailureMechanismSectionFeatures(failureMechanismSections);
-            sectionsStartPointMapData.Features = RiskeerMapDataFeaturesFactory.CreateFailureMechanismSectionStartPointFeatures(failureMechanismSections);
-            sectionsEndPointMapData.Features = RiskeerMapDataFeaturesFactory.CreateFailureMechanismSectionEndPointFeatures(failureMechanismSections);
-        }
-
-        #endregion
-
         #region SurfaceLines MapData
 
         private void UpdateSurfaceLinesMapData()
Index: Riskeer/MacroStabilityInwards/src/Riskeer.MacroStabilityInwards.Service/MacroStabilityInwardsDataSynchronizationService.cs
===================================================================
diff -u -r3817cebd14b218c9a81fa83bbc55872c4a7dccb0 -re71edd5419b172c4f428cf6b71fe8f7fc78f507f
--- Riskeer/MacroStabilityInwards/src/Riskeer.MacroStabilityInwards.Service/MacroStabilityInwardsDataSynchronizationService.cs	(.../MacroStabilityInwardsDataSynchronizationService.cs)	(revision 3817cebd14b218c9a81fa83bbc55872c4a7dccb0)
+++ Riskeer/MacroStabilityInwards/src/Riskeer.MacroStabilityInwards.Service/MacroStabilityInwardsDataSynchronizationService.cs	(.../MacroStabilityInwardsDataSynchronizationService.cs)	(revision e71edd5419b172c4f428cf6b71fe8f7fc78f507f)
@@ -120,8 +120,7 @@
             }
 
             var changedObjects = new Collection<IObservable>();
-            object[] removedObjects = failureMechanism.Sections.OfType<object>()
-                                                      .Concat(failureMechanism.CalculationsGroup.GetAllChildrenRecursive())
+            object[] removedObjects = failureMechanism.CalculationsGroup.GetAllChildrenRecursive().OfType<object>()
                                                       .Concat(failureMechanism.StochasticSoilModels)
                                                       .Concat(failureMechanism.SurfaceLines)
                                                       .ToArray();