Index: Ringtoets/AssemblyTool/src/Ringtoets.AssemblyTool.IO/Model/SerializableFailureMechanismSectionCollection.cs
===================================================================
diff -u -rc2889f9bc178f329da2719bf6655334835720c01 -ref87a2a1f2537d2fba2b95c20171d0f27a160670
--- Ringtoets/AssemblyTool/src/Ringtoets.AssemblyTool.IO/Model/SerializableFailureMechanismSectionCollection.cs	(.../SerializableFailureMechanismSectionCollection.cs)	(revision c2889f9bc178f329da2719bf6655334835720c01)
+++ Ringtoets/AssemblyTool/src/Ringtoets.AssemblyTool.IO/Model/SerializableFailureMechanismSectionCollection.cs	(.../SerializableFailureMechanismSectionCollection.cs)	(revision ef87a2a1f2537d2fba2b95c20171d0f27a160670)
@@ -1,4 +1,4 @@
-// Copyright (C) Stichting Deltares 2017. All rights reserved.
+// Copyright (C) Stichting Deltares 2017. All rights reserved.
 //
 // This file is part of Ringtoets.
 //
@@ -40,26 +40,7 @@
         /// Creates a new instance of <see cref="SerializableFailureMechanismSectionCollection"/>.
         /// </summary>
         /// <param name="id">The unique ID of the sections.</param>
-        /// <param name="totalAssemblyResult">The total assembly result the sections belong to.</param>
-        /// <exception cref="ArgumentNullException">Thrown when <paramref name="totalAssemblyResult"/> is <c>null</c>.</exception>
         /// <exception cref="ArgumentException">Thrown when <paramref name="id"/> is invalid.</exception>
-        public SerializableFailureMechanismSectionCollection(string id,
-                                                             SerializableTotalAssemblyResult totalAssemblyResult)
-            : this(id)
-        {
-            if (totalAssemblyResult == null)
-            {
-                throw new ArgumentNullException(nameof(totalAssemblyResult));
-            }
-
-            TotalAssemblyResultId = totalAssemblyResult.Id;
-        }
-
-        /// <summary>
-        /// Creates a new instance of <see cref="SerializableFailureMechanismSectionCollection"/>.
-        /// </summary>
-        /// <param name="id">The unique ID of the sections.</param>
-        /// <exception cref="ArgumentException">Thrown when <paramref name="id"/> is invalid.</exception>
         private SerializableFailureMechanismSectionCollection(string id)
         {
             if (!SerializableIdValidator.Validate(id))
Index: Ringtoets/AssemblyTool/test/Ringtoets.AssemblyTool.IO.Test/Model/SerializableFailureMechanismSectionCollectionTest.cs
===================================================================
diff -u -rc2889f9bc178f329da2719bf6655334835720c01 -ref87a2a1f2537d2fba2b95c20171d0f27a160670
--- Ringtoets/AssemblyTool/test/Ringtoets.AssemblyTool.IO.Test/Model/SerializableFailureMechanismSectionCollectionTest.cs	(.../SerializableFailureMechanismSectionCollectionTest.cs)	(revision c2889f9bc178f329da2719bf6655334835720c01)
+++ Ringtoets/AssemblyTool/test/Ringtoets.AssemblyTool.IO.Test/Model/SerializableFailureMechanismSectionCollectionTest.cs	(.../SerializableFailureMechanismSectionCollectionTest.cs)	(revision ef87a2a1f2537d2fba2b95c20171d0f27a160670)
@@ -24,7 +24,6 @@
 using NUnit.Framework;
 using Ringtoets.AssemblyTool.IO.Model;
 using Ringtoets.AssemblyTool.IO.Model.DataTypes;
-using Ringtoets.AssemblyTool.IO.Model.Enums;
 using Ringtoets.AssemblyTool.IO.TestUtil;
 
 namespace Ringtoets.AssemblyTool.IO.Test.Model
@@ -53,47 +52,27 @@
 
         [Test]
         [TestCaseSource(typeof(InvalidIdTestHelper), nameof(InvalidIdTestHelper.InvalidIdCases))]
-        public void ConstructorWithTotalAssemblyResult_InvalidId_ThrowsArgumentException(string invalidId)
+        public void Constructor_WithInvalidId_ThrowsArgumentException(string invalidId)
         {
             // Call
-            TestDelegate call = () => new SerializableFailureMechanismSectionCollection(invalidId,
-                                                                                        new SerializableTotalAssemblyResult());
+            TestDelegate call = () => new SerializableFailureMechanismSectionCollection(invalidId);
 
             // Assert
             const string expectedMessage = "'id' must have a value and consist only of alphanumerical characters, '-', '_' or '.'.";
             TestHelper.AssertThrowsArgumentExceptionAndTestMessage<ArgumentException>(call, expectedMessage);
         }
 
         [Test]
-        public void ConstructorWithTotalAssemblyResult_FailureMechanismNull_ThrowsArgumentNullException()
+        public void Constructor_WithValidData_ReturnsExpectedValues()
         {
-            // Call
-            TestDelegate call = () => new SerializableFailureMechanismSectionCollection("id", null);
-
-            // Assert
-            var exception = Assert.Throws<ArgumentNullException>(call);
-            Assert.AreEqual("totalAssemblyResult", exception.ParamName);
-        }
-
-        [Test]
-        public void ConstructorWithTotalAssemblyResult_WithValidData_ReturnsExpectedValues()
-        {
             // Setup
             const string id = "collectionId";
 
-            var totalAssemblyResult = new SerializableTotalAssemblyResult("resultId",
-                                                                          new SerializableAssessmentProcess(),
-                                                                          new SerializableFailureMechanismAssemblyResult(),
-                                                                          new SerializableFailureMechanismAssemblyResult(),
-                                                                          new SerializableAssessmentSectionAssemblyResult());
-
             // Call
-            var collection = new SerializableFailureMechanismSectionCollection(id,
-                                                                               totalAssemblyResult);
+            var collection = new SerializableFailureMechanismSectionCollection(id);
 
             // Assert
             Assert.AreEqual(id, collection.Id);
-            Assert.AreEqual(totalAssemblyResult.Id, collection.TotalAssemblyResultId);
         }
     }
 }
\ No newline at end of file
Index: Ringtoets/AssemblyTool/test/Ringtoets.AssemblyTool.IO.Test/SerializableAssemblyWriterTest.cs
===================================================================
diff -u -r1aeaee420d2c163dbb591a53f09994d838ef763f -ref87a2a1f2537d2fba2b95c20171d0f27a160670
--- Ringtoets/AssemblyTool/test/Ringtoets.AssemblyTool.IO.Test/SerializableAssemblyWriterTest.cs	(.../SerializableAssemblyWriterTest.cs)	(revision 1aeaee420d2c163dbb591a53f09994d838ef763f)
+++ Ringtoets/AssemblyTool/test/Ringtoets.AssemblyTool.IO.Test/SerializableAssemblyWriterTest.cs	(.../SerializableAssemblyWriterTest.cs)	(revision ef87a2a1f2537d2fba2b95c20171d0f27a160670)
@@ -317,7 +317,7 @@
                                                                       SerializableAssessmentType.CombinedAssessment,
                                                                       SerializableFailureMechanismSectionCategoryGroup.IIIv));
 
-            var sections2 = new SerializableFailureMechanismSectionCollection("vakindeling_gecombineerd", totalAssemblyResult);
+            var sections2 = new SerializableFailureMechanismSectionCollection("vakindeling_gecombineerd");
             var section2 = new SerializableFailureMechanismSection(
                 "vak_gecombineerd_1",
                 sections2,
Index: Ringtoets/Integration/test/Ringtoets.Integration.IO.Test/Creators/AggregatedSerializableCombinedFailureMechanismSectionAssembliesCreatorTest.cs
===================================================================
diff -u -rc2e1b46490dfdc848647c515e3ea04c1f7f69535 -ref87a2a1f2537d2fba2b95c20171d0f27a160670
--- Ringtoets/Integration/test/Ringtoets.Integration.IO.Test/Creators/AggregatedSerializableCombinedFailureMechanismSectionAssembliesCreatorTest.cs	(.../AggregatedSerializableCombinedFailureMechanismSectionAssembliesCreatorTest.cs)	(revision c2e1b46490dfdc848647c515e3ea04c1f7f69535)
+++ Ringtoets/Integration/test/Ringtoets.Integration.IO.Test/Creators/AggregatedSerializableCombinedFailureMechanismSectionAssembliesCreatorTest.cs	(.../AggregatedSerializableCombinedFailureMechanismSectionAssembliesCreatorTest.cs)	(revision ef87a2a1f2537d2fba2b95c20171d0f27a160670)
@@ -107,7 +107,6 @@
             SerializableFailureMechanismSectionCollection serializableFailureMechanismSectionCollection = aggregate.FailureMechanismSectionCollection;
             Assert.AreEqual("Vi.0", serializableFailureMechanismSectionCollection.Id);
             Assert.AreEqual(totalAssemblyResult.Id, serializableFailureMechanismSectionCollection.TotalAssemblyResultId);
-            Assert.IsNull(serializableFailureMechanismSectionCollection.FailureMechanismId);
 
             AssertCombinedFailureMechanismSectionAssemblies(combinedSectionAssemblies,
                                                             serializableFailureMechanismSectionCollection,
Index: Ringtoets/Integration/test/Ringtoets.Integration.IO.Test/Creators/AggregatedSerializableCombinedFailureMechanismSectionAssemblyCreatorTest.cs
===================================================================
diff -u -r3265c6b7b2cb65fd707b885d698bf106eb2a3307 -ref87a2a1f2537d2fba2b95c20171d0f27a160670
--- Ringtoets/Integration/test/Ringtoets.Integration.IO.Test/Creators/AggregatedSerializableCombinedFailureMechanismSectionAssemblyCreatorTest.cs	(.../AggregatedSerializableCombinedFailureMechanismSectionAssemblyCreatorTest.cs)	(revision 3265c6b7b2cb65fd707b885d698bf106eb2a3307)
+++ Ringtoets/Integration/test/Ringtoets.Integration.IO.Test/Creators/AggregatedSerializableCombinedFailureMechanismSectionAssemblyCreatorTest.cs	(.../AggregatedSerializableCombinedFailureMechanismSectionAssemblyCreatorTest.cs)	(revision ef87a2a1f2537d2fba2b95c20171d0f27a160670)
@@ -111,8 +111,7 @@
             SerializableTotalAssemblyResult serializableTotalAssembly = CreateSerializableTotalAssembly(serializableTotalAssemblyResultId);
 
             const string serializableSectionCollectionId = "serializableSectionCollectionId";
-            var serializableSectionCollection = new SerializableFailureMechanismSectionCollection(serializableSectionCollectionId,
-                                                                                                  new SerializableTotalAssemblyResult());
+            var serializableSectionCollection = new SerializableFailureMechanismSectionCollection(serializableSectionCollectionId);
 
             var idGenerator = new IdentifierGenerator();