Index: Riskeer/GrassCoverErosionInwards/src/Riskeer.GrassCoverErosionInwards.Forms/PropertyClasses/GrassCoverErosionInwardsFailurePathProperties.cs
===================================================================
diff -u -r26f427a7724ebe6e50c0d83fd87156df30f17e9c -rafeaf478e3ad4d4342bf96f999e228f53909cad5
--- Riskeer/GrassCoverErosionInwards/src/Riskeer.GrassCoverErosionInwards.Forms/PropertyClasses/GrassCoverErosionInwardsFailurePathProperties.cs	(.../GrassCoverErosionInwardsFailurePathProperties.cs)	(revision 26f427a7724ebe6e50c0d83fd87156df30f17e9c)
+++ Riskeer/GrassCoverErosionInwards/src/Riskeer.GrassCoverErosionInwards.Forms/PropertyClasses/GrassCoverErosionInwardsFailurePathProperties.cs	(.../GrassCoverErosionInwardsFailurePathProperties.cs)	(revision afeaf478e3ad4d4342bf96f999e228f53909cad5)
@@ -39,10 +39,9 @@
         private const int namePropertyIndex = 1;
         private const int codePropertyIndex = 2;
         private const int groupPropertyIndex = 3;
-        private const int contributionPropertyIndex = 4;
-        private const int inAssemblyPropertyIndex = 5;
-        private const int nPropertyIndex = 6;
-        private const int applyLengthEffectInSectionPropertyIndex = 7;
+        private const int inAssemblyPropertyIndex = 4;
+        private const int nPropertyIndex = 5;
+        private const int applyLengthEffectInSectionPropertyIndex = 6;
         private readonly IFailureMechanismPropertyChangeHandler<GrassCoverErosionInwardsFailureMechanism> propertyChangeHandler;
 
         /// <summary>
@@ -84,8 +83,7 @@
 
         private static bool ShouldHidePropertyWhenFailureMechanismNotPartOfAssembly(string propertyName)
         {
-            return nameof(Contribution).Equals(propertyName)
-                   || nameof(N).Equals(propertyName)
+            return nameof(N).Equals(propertyName)
                    || nameof(ApplyLengthEffectInSection).Equals(propertyName);
         }
 
@@ -147,19 +145,6 @@
             }
         }
 
-        [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/GrassCoverErosionInwards/test/Riskeer.GrassCoverErosionInwards.Forms.Test/PropertyClasses/GrassCoverErosionInwardsFailurePathPropertiesTest.cs
===================================================================
diff -u -r7f75801aa93da365268f2ac28952d141931a83df -rafeaf478e3ad4d4342bf96f999e228f53909cad5
--- Riskeer/GrassCoverErosionInwards/test/Riskeer.GrassCoverErosionInwards.Forms.Test/PropertyClasses/GrassCoverErosionInwardsFailurePathPropertiesTest.cs	(.../GrassCoverErosionInwardsFailurePathPropertiesTest.cs)	(revision 7f75801aa93da365268f2ac28952d141931a83df)
+++ Riskeer/GrassCoverErosionInwards/test/Riskeer.GrassCoverErosionInwards.Forms.Test/PropertyClasses/GrassCoverErosionInwardsFailurePathPropertiesTest.cs	(.../GrassCoverErosionInwardsFailurePathPropertiesTest.cs)	(revision afeaf478e3ad4d4342bf96f999e228f53909cad5)
@@ -41,10 +41,9 @@
         private const int namePropertyIndex = 0;
         private const int codePropertyIndex = 1;
         private const int groupPropertyIndex = 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;
 
         [Test]
         public void Constructor_ChangeHandlerNull_ThrowsArgumentNullException()
@@ -83,7 +82,6 @@
             Assert.AreEqual(failureMechanism.Name, properties.Name);
             Assert.AreEqual(failureMechanism.Code, properties.Code);
             Assert.AreEqual(failureMechanism.Group, properties.Group);
-            Assert.AreEqual(failureMechanism.Contribution, properties.Contribution);
             Assert.AreEqual(failureMechanism.InAssembly, properties.InAssembly);
 
             GeneralGrassCoverErosionInwardsInput generalInput = failureMechanism.GeneralInput;
@@ -114,7 +112,7 @@
 
             // Assert
             PropertyDescriptorCollection dynamicProperties = PropertiesTestHelper.GetAllVisiblePropertyDescriptors(properties);
-            Assert.AreEqual(7, dynamicProperties.Count);
+            Assert.AreEqual(6, dynamicProperties.Count);
 
             const string generalCategory = "Algemeen";
             const string lengthEffectCategory = "Lengte-effect";
@@ -140,13 +138,6 @@
                                                                             "De groep waar het toetsspoor toe behoort.",
                                                                             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,
@@ -212,7 +203,7 @@
                                                                             "De groep waar het toetsspoor toe behoort.",
                                                                             true);
 
-            PropertyDescriptor inAssemblyProperty = dynamicProperties[inAssemblyPropertyIndex - 1];
+            PropertyDescriptor inAssemblyProperty = dynamicProperties[inAssemblyPropertyIndex];
             PropertiesTestHelper.AssertRequiredPropertyDescriptorProperties(inAssemblyProperty,
                                                                             generalCategory,
                                                                             "In assemblage",
@@ -340,7 +331,6 @@
             Assert.IsTrue(properties.DynamicVisibleValidationMethod(nameof(properties.InAssembly)));
 
             Assert.AreEqual(inAssembly, properties.DynamicVisibleValidationMethod(nameof(properties.N)));
-            Assert.AreEqual(inAssembly, properties.DynamicVisibleValidationMethod(nameof(properties.Contribution)));
             Assert.AreEqual(inAssembly, properties.DynamicVisibleValidationMethod(nameof(properties.ApplyLengthEffectInSection)));
 
             mocks.VerifyAll();