Index: Riskeer/Common/src/Riskeer.Common.Forms/Observers/CalculatableFailureMechanismResultObserver.cs
===================================================================
diff -u -r96ccefa48aa5c97c949f7a7858fcb4d3dc727a3a -r638ee88b04d4bf5f2ae2cee435286e063f7a4a5e
--- Riskeer/Common/src/Riskeer.Common.Forms/Observers/CalculatableFailureMechanismResultObserver.cs	(.../CalculatableFailureMechanismResultObserver.cs)	(revision 96ccefa48aa5c97c949f7a7858fcb4d3dc727a3a)
+++ Riskeer/Common/src/Riskeer.Common.Forms/Observers/CalculatableFailureMechanismResultObserver.cs	(.../CalculatableFailureMechanismResultObserver.cs)	(revision 638ee88b04d4bf5f2ae2cee435286e063f7a4a5e)
@@ -35,7 +35,7 @@
     /// <typeparam name="TCalculation">The type of the calculations in the <typeparamref name="TFailureMechanism"/>.</typeparam>
     public class CalculatableFailureMechanismResultObserver<TFailureMechanism, TSectionResult, TCalculation>
         : FailureMechanismResultObserver<TFailureMechanism, TSectionResult>
-        where TFailureMechanism : IFailureMechanism, IHasSectionResults<TSectionResult>, ICalculatableFailureMechanism
+        where TFailureMechanism : IFailureMechanism, ICalculatableFailureMechanism
         where TSectionResult : FailureMechanismSectionResult
         where TCalculation : ICalculation<ICalculationInput>
     {
Index: Riskeer/Common/src/Riskeer.Common.Forms/Observers/FailureMechanismResultObserver.cs
===================================================================
diff -u -r21d2f60ab46be218442b6116917a5633ff28daba -r638ee88b04d4bf5f2ae2cee435286e063f7a4a5e
--- Riskeer/Common/src/Riskeer.Common.Forms/Observers/FailureMechanismResultObserver.cs	(.../FailureMechanismResultObserver.cs)	(revision 21d2f60ab46be218442b6116917a5633ff28daba)
+++ Riskeer/Common/src/Riskeer.Common.Forms/Observers/FailureMechanismResultObserver.cs	(.../FailureMechanismResultObserver.cs)	(revision 638ee88b04d4bf5f2ae2cee435286e063f7a4a5e)
@@ -32,7 +32,7 @@
     /// <typeparam name="TFailureMechanism">The type of the failure mechanism to observe.</typeparam>
     /// <typeparam name="TSectionResult">The type of the section results in the failure mechanism.</typeparam>
     public class FailureMechanismResultObserver<TFailureMechanism, TSectionResult> : Observable, IDisposable
-        where TFailureMechanism : IFailureMechanism, IHasSectionResults<TSectionResult>
+        where TFailureMechanism : IFailureMechanism
         where TSectionResult : FailureMechanismSectionResult
     {
         private readonly Observer failureMechanismObserver;
Index: Riskeer/Integration/src/Riskeer.Integration.Forms/Observers/AssessmentSectionResultObserver.cs
===================================================================
diff -u -r149a6ea30952146f3ef7e513cedc5372f9e88495 -r638ee88b04d4bf5f2ae2cee435286e063f7a4a5e
--- Riskeer/Integration/src/Riskeer.Integration.Forms/Observers/AssessmentSectionResultObserver.cs	(.../AssessmentSectionResultObserver.cs)	(revision 149a6ea30952146f3ef7e513cedc5372f9e88495)
+++ Riskeer/Integration/src/Riskeer.Integration.Forms/Observers/AssessmentSectionResultObserver.cs	(.../AssessmentSectionResultObserver.cs)	(revision 638ee88b04d4bf5f2ae2cee435286e063f7a4a5e)
@@ -158,7 +158,7 @@
         }
 
         private Observer CreateCalculatableFailureMechanismObserver<TFailureMechanism, TSectionResult, TCalculation>(TFailureMechanism failureMechanism)
-            where TFailureMechanism : IFailureMechanism, IHasSectionResults<TSectionResult>, ICalculatableFailureMechanism
+            where TFailureMechanism : IFailureMechanism, ICalculatableFailureMechanism
             where TSectionResult : FailureMechanismSectionResult
             where TCalculation : ICalculation<ICalculationInput>
         {
@@ -170,7 +170,7 @@
         }
 
         private Observer CreateFailureMechanismObserver<TFailureMechanism, TSectionResult>(TFailureMechanism failureMechanism)
-            where TFailureMechanism : IFailureMechanism, IHasSectionResults<TSectionResult>
+            where TFailureMechanism : IFailureMechanism
             where TSectionResult : FailureMechanismSectionResult
         {
             return new Observer(NotifyObservers)