Index: Riskeer/Integration/src/Riskeer.Integration.Forms/PropertyClasses/StandAlone/PipingStructureFailurePathProperties.cs
===================================================================
diff -u -r299be933b87eea233f728ae92b0ec1bcb38087c4 -rabf1d3474ec720db318ee0b614c639629143fa2a
--- Riskeer/Integration/src/Riskeer.Integration.Forms/PropertyClasses/StandAlone/PipingStructureFailurePathProperties.cs	(.../PipingStructureFailurePathProperties.cs)	(revision 299be933b87eea233f728ae92b0ec1bcb38087c4)
+++ Riskeer/Integration/src/Riskeer.Integration.Forms/PropertyClasses/StandAlone/PipingStructureFailurePathProperties.cs	(.../PipingStructureFailurePathProperties.cs)	(revision abf1d3474ec720db318ee0b614c639629143fa2a)
@@ -36,10 +36,9 @@
     {
         private const int namePropertyIndex = 1;
         private const int codePropertyIndex = 2;
-        private const int contributionPropertyIndex = 3;
-        private const int inAssemblyPropertyIndex = 4;
-        private const int nPropertyIndex = 5;
-        private const int applyLengthEffectInSectionPropertyIndex = 6;
+        private const int inAssemblyPropertyIndex = 3;
+        private const int nPropertyIndex = 4;
+        private const int applyLengthEffectInSectionPropertyIndex = 5;
 
         /// <summary>
         /// Creates a new instance of <see cref="PipingStructureFailurePathProperties"/>.
@@ -64,8 +63,7 @@
 
         private static bool ShouldHidePropertyWhenFailureMechanismNotPartOfAssembly(string propertyName)
         {
-            return nameof(Contribution).Equals(propertyName)
-                   || nameof(N).Equals(propertyName)
+            return nameof(N).Equals(propertyName)
                    || nameof(ApplyLengthEffectInSection).Equals(propertyName);
         }
 
@@ -130,19 +128,6 @@
             }
         }
 
-        [DynamicVisible]
-        [PropertyOrder(contributionPropertyIndex)]
-        [ResourcesCategory(typeof(RiskeerCommonFormsResources), nameof(RiskeerCommonFormsResources.Categories_General))]
-        [ResourcesDisplayName(typeof(RiskeerCommonFormsResources), nameof(RiskeerCommonFormsResources.FailurePath_Contribution_DisplayName))]
-        [ResourcesDescription(typeof(RiskeerCommonFormsResources), nameof(RiskeerCommonFormsResources.FailurePath_Contribution_Description))]
-        public double Contribution
-        {
-            get
-            {
-                return data.Contribution;
-            }
-        }
-
         [PropertyOrder(inAssemblyPropertyIndex)]
         [ResourcesCategory(typeof(RiskeerCommonFormsResources), nameof(RiskeerCommonFormsResources.Categories_General))]
         [ResourcesDisplayName(typeof(RiskeerCommonFormsResources), nameof(RiskeerCommonFormsResources.FailurePath_InAssembly_DisplayName))]
Index: Riskeer/Integration/test/Riskeer.Integration.Forms.Test/PropertyClasses/StandAlone/PipingStructureFailurePathPropertiesTest.cs
===================================================================
diff -u -r299be933b87eea233f728ae92b0ec1bcb38087c4 -rabf1d3474ec720db318ee0b614c639629143fa2a
--- Riskeer/Integration/test/Riskeer.Integration.Forms.Test/PropertyClasses/StandAlone/PipingStructureFailurePathPropertiesTest.cs	(.../PipingStructureFailurePathPropertiesTest.cs)	(revision 299be933b87eea233f728ae92b0ec1bcb38087c4)
+++ Riskeer/Integration/test/Riskeer.Integration.Forms.Test/PropertyClasses/StandAlone/PipingStructureFailurePathPropertiesTest.cs	(.../PipingStructureFailurePathPropertiesTest.cs)	(revision abf1d3474ec720db318ee0b614c639629143fa2a)
@@ -39,10 +39,9 @@
     {
         private const int namePropertyIndex = 0;
         private const int codePropertyIndex = 1;
-        private const int contributionPropertyIndex = 2;
-        private const int inAssemblyPropertyIndex = 3;
-        private const int nPropertyIndex = 4;
-        private const int applyLengthEffectInSectionPropertyIndex = 5;
+        private const int inAssemblyPropertyIndex = 2;
+        private const int nPropertyIndex = 3;
+        private const int applyLengthEffectInSectionPropertyIndex = 4;
 
         [Test]
         public void Constructor_DataIsNull_ThrowArgumentNullException()
@@ -72,7 +71,6 @@
             Assert.IsInstanceOf<ObjectProperties<PipingStructureFailureMechanism>>(properties);
             Assert.AreEqual(failureMechanism.Name, properties.Name);
             Assert.AreEqual(failureMechanism.Code, properties.Code);
-            Assert.AreEqual(failureMechanism.Contribution, properties.Contribution);
             Assert.AreEqual(failureMechanism.InAssembly, properties.InAssembly);
 
             GeneralInput generalInput = failureMechanism.GeneralInput;
@@ -97,7 +95,7 @@
 
             // Assert
             PropertyDescriptorCollection dynamicProperties = PropertiesTestHelper.GetAllVisiblePropertyDescriptors(properties);
-            Assert.AreEqual(6, dynamicProperties.Count);
+            Assert.AreEqual(5, dynamicProperties.Count);
 
             const string generalCategory = "Algemeen";
             const string lengthEffectCategory = "Lengte-effect";
@@ -116,13 +114,6 @@
                                                                             "Het label van het toetsspoor.",
                                                                             true);
 
-            PropertyDescriptor contributionProperty = dynamicProperties[contributionPropertyIndex];
-            PropertiesTestHelper.AssertRequiredPropertyDescriptorProperties(contributionProperty,
-                                                                            generalCategory,
-                                                                            "Faalkansbijdrage [%]",
-                                                                            "Procentuele bijdrage van dit toetsspoor aan de totale overstromingskans van het traject.",
-                                                                            true);
-
             PropertyDescriptor inAssemblyProperty = dynamicProperties[inAssemblyPropertyIndex];
             PropertiesTestHelper.AssertRequiredPropertyDescriptorProperties(inAssemblyProperty,
                                                                             generalCategory,
@@ -176,7 +167,7 @@
                                                                             "Het label van het toetsspoor.",
                                                                             true);
 
-            PropertyDescriptor inAssemblyProperty = dynamicProperties[inAssemblyPropertyIndex - 1];
+            PropertyDescriptor inAssemblyProperty = dynamicProperties[inAssemblyPropertyIndex];
             PropertiesTestHelper.AssertRequiredPropertyDescriptorProperties(inAssemblyProperty,
                                                                             generalCategory,
                                                                             "In assemblage",
@@ -251,7 +242,6 @@
             Assert.IsTrue(properties.DynamicVisibleValidationMethod(nameof(properties.Code)));
             Assert.IsTrue(properties.DynamicVisibleValidationMethod(nameof(properties.InAssembly)));
 
-            Assert.AreEqual(inAssembly, properties.DynamicVisibleValidationMethod(nameof(properties.Contribution)));
             Assert.AreEqual(inAssembly, properties.DynamicVisibleValidationMethod(nameof(properties.N)));
             Assert.AreEqual(inAssembly, properties.DynamicVisibleValidationMethod(nameof(properties.ApplyLengthEffectInSection)));