Index: Ringtoets/Common/src/Ringtoets.Common.Forms/ChangeHandlers/FailureMechanismPropertyChangeHandler.cs
===================================================================
diff -u -rb3b6c13cf736c134476b3db34281332d01ca86b1 -rf0bc2d83fb676a240b7ec789dfe72306eb99952a
--- Ringtoets/Common/src/Ringtoets.Common.Forms/ChangeHandlers/FailureMechanismPropertyChangeHandler.cs	(.../FailureMechanismPropertyChangeHandler.cs)	(revision b3b6c13cf736c134476b3db34281332d01ca86b1)
+++ Ringtoets/Common/src/Ringtoets.Common.Forms/ChangeHandlers/FailureMechanismPropertyChangeHandler.cs	(.../FailureMechanismPropertyChangeHandler.cs)	(revision f0bc2d83fb676a240b7ec789dfe72306eb99952a)
@@ -46,10 +46,12 @@
             {
                 throw new ArgumentNullException(nameof(failureMechanism));
             }
+
             if (value == null)
             {
                 throw new ArgumentNullException(nameof(value));
             }
+
             if (setValue == null)
             {
                 throw new ArgumentNullException(nameof(setValue));
@@ -76,17 +78,6 @@
         }
 
         /// <summary>
-        /// Gets the message that is shown when conformation is inquired.
-        /// </summary>
-        protected virtual string ConfirmationMessage
-        {
-            get
-            {
-                return Resources.FailureMechanismPropertyChangeHandler_Confirm_change_composition_and_clear_dependent_data;
-            }
-        }
-
-        /// <summary>
         /// Checks whether a call to <see cref="PropertyChanged"/> would have any effect in the given
         /// <paramref name="failureMechanism"/>.
         /// </summary>
@@ -101,6 +92,7 @@
             {
                 throw new ArgumentNullException(nameof(failureMechanism));
             }
+
             return failureMechanism.Calculations.Any(c => c.HasOutput);
         }
 
@@ -118,24 +110,27 @@
             {
                 throw new ArgumentNullException(nameof(failureMechanism));
             }
+
             var affected = new List<IObservable>();
             foreach (ICalculation calculation in failureMechanism.Calculations.Where(c => c.HasOutput))
             {
                 affected.Add(calculation);
                 calculation.ClearOutput();
             }
+
             return affected;
         }
 
         /// <summary>
         /// Checks to see if the change of the failure mechanism property should occur or not.
         /// </summary>
         /// <returns><c>true</c> if the change should occur, <c>false</c> otherwise.</returns>
-        private bool ConfirmPropertyChange()
+        private static bool ConfirmPropertyChange()
         {
-            DialogResult result = MessageBox.Show(ConfirmationMessage,
+            DialogResult result = MessageBox.Show(Resources.FailureMechanismPropertyChangeHandler_Confirm_change_composition_and_clear_dependent_data,
                                                   CoreCommonBaseResources.Confirm,
                                                   MessageBoxButtons.OKCancel);
+
             return result == DialogResult.OK;
         }
     }
Index: Ringtoets/DuneErosion/src/Ringtoets.DuneErosion.Forms/DuneErosionFailureMechanismPropertyChangeHandler.cs
===================================================================
diff -u -r4062ca930dec6759be8a7fe8cfc3dd9493da2e50 -rf0bc2d83fb676a240b7ec789dfe72306eb99952a
--- Ringtoets/DuneErosion/src/Ringtoets.DuneErosion.Forms/DuneErosionFailureMechanismPropertyChangeHandler.cs	(.../DuneErosionFailureMechanismPropertyChangeHandler.cs)	(revision 4062ca930dec6759be8a7fe8cfc3dd9493da2e50)
+++ Ringtoets/DuneErosion/src/Ringtoets.DuneErosion.Forms/DuneErosionFailureMechanismPropertyChangeHandler.cs	(.../DuneErosionFailureMechanismPropertyChangeHandler.cs)	(revision f0bc2d83fb676a240b7ec789dfe72306eb99952a)
@@ -24,7 +24,6 @@
 using Core.Common.Base;
 using Ringtoets.Common.Forms.ChangeHandlers;
 using Ringtoets.DuneErosion.Data;
-using Ringtoets.DuneErosion.Forms.Properties;
 using Ringtoets.DuneErosion.Service;
 
 namespace Ringtoets.DuneErosion.Forms
@@ -35,14 +34,6 @@
     /// </summary>
     public class DuneErosionFailureMechanismPropertyChangeHandler : FailureMechanismPropertyChangeHandler<DuneErosionFailureMechanism>
     {
-        protected override string ConfirmationMessage
-        {
-            get
-            {
-                return Resources.DuneErosionFailureMechanismPropertyChangeHandler_Confirm_change_and_clearing_dune_locations;
-            }
-        }
-
         protected override bool RequiresConfirmation(DuneErosionFailureMechanism failureMechanism)
         {
             return base.RequiresConfirmation(failureMechanism)
Index: Ringtoets/DuneErosion/src/Ringtoets.DuneErosion.Forms/Properties/Resources.Designer.cs
===================================================================
diff -u -rd59ca522f9ee649512998572c7635bf27ed0d1c3 -rf0bc2d83fb676a240b7ec789dfe72306eb99952a
--- Ringtoets/DuneErosion/src/Ringtoets.DuneErosion.Forms/Properties/Resources.Designer.cs	(.../Resources.Designer.cs)	(revision d59ca522f9ee649512998572c7635bf27ed0d1c3)
+++ Ringtoets/DuneErosion/src/Ringtoets.DuneErosion.Forms/Properties/Resources.Designer.cs	(.../Resources.Designer.cs)	(revision f0bc2d83fb676a240b7ec789dfe72306eb99952a)
@@ -82,18 +82,6 @@
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to Als u deze parameter wijzigt, zal de uitvoer van alle randvoorwaarden locaties in dit toetsspoor verwijderd worden.
-        ///
-        ///Weet u zeker dat u wilt doorgaan?.
-        /// </summary>
-        internal static string DuneErosionFailureMechanismPropertyChangeHandler_Confirm_change_and_clearing_dune_locations {
-            get {
-                return ResourceManager.GetString("DuneErosionFailureMechanismPropertyChangeHandler_Confirm_change_and_clearing_dune" +
-                        "_locations", resourceCulture);
-            }
-        }
-        
-        /// <summary>
         ///   Looks up a localized string similar to Nummer van het kustvak waar de locatie onderdeel van uitmaakt..
         /// </summary>
         internal static string DuneLocation_CoastalAreaId_Description {
Index: Ringtoets/DuneErosion/src/Ringtoets.DuneErosion.Forms/Properties/Resources.resx
===================================================================
diff -u -rd59ca522f9ee649512998572c7635bf27ed0d1c3 -rf0bc2d83fb676a240b7ec789dfe72306eb99952a
--- Ringtoets/DuneErosion/src/Ringtoets.DuneErosion.Forms/Properties/Resources.resx	(.../Resources.resx)	(revision d59ca522f9ee649512998572c7635bf27ed0d1c3)
+++ Ringtoets/DuneErosion/src/Ringtoets.DuneErosion.Forms/Properties/Resources.resx	(.../Resources.resx)	(revision f0bc2d83fb676a240b7ec789dfe72306eb99952a)
@@ -117,11 +117,6 @@
   <resheader name="writer">
     <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
   </resheader>
-  <data name="DuneErosionFailureMechanismPropertyChangeHandler_Confirm_change_and_clearing_dune_locations" xml:space="preserve">
-    <value>Als u deze parameter wijzigt, zal de uitvoer van alle randvoorwaarden locaties in dit toetsspoor verwijderd worden.
-
-Weet u zeker dat u wilt doorgaan?</value>
-  </data>
   <data name="DuneLocation_CoastalAreaId_Description" xml:space="preserve">
     <value>Nummer van het kustvak waar de locatie onderdeel van uitmaakt.</value>
   </data>
Index: Ringtoets/DuneErosion/test/Ringtoets.DuneErosion.Forms.Test/DuneErosionFailureMechanismPropertyChangeHandlerTest.cs
===================================================================
diff -u -r4f0327ca4210c79dda99c0b249782d03b1e176d3 -rf0bc2d83fb676a240b7ec789dfe72306eb99952a
--- Ringtoets/DuneErosion/test/Ringtoets.DuneErosion.Forms.Test/DuneErosionFailureMechanismPropertyChangeHandlerTest.cs	(.../DuneErosionFailureMechanismPropertyChangeHandlerTest.cs)	(revision 4f0327ca4210c79dda99c0b249782d03b1e176d3)
+++ Ringtoets/DuneErosion/test/Ringtoets.DuneErosion.Forms.Test/DuneErosionFailureMechanismPropertyChangeHandlerTest.cs	(.../DuneErosionFailureMechanismPropertyChangeHandlerTest.cs)	(revision f0bc2d83fb676a240b7ec789dfe72306eb99952a)
@@ -120,7 +120,7 @@
             if (dialogBoxWillBeShown)
             {
                 Assert.AreEqual("Bevestigen", title);
-                string expectedMessage = "Als u deze parameter wijzigt, zal de uitvoer van alle randvoorwaarden locaties in dit toetsspoor verwijderd worden." + Environment.NewLine +
+                string expectedMessage = "Als u deze parameter wijzigt, zal de uitvoer van alle berekeningen in dit toetsspoor verwijderd worden." + Environment.NewLine +
                                          Environment.NewLine +
                                          "Weet u zeker dat u wilt doorgaan?";
                 Assert.AreEqual(expectedMessage, message);
Index: Ringtoets/GrassCoverErosionOutwards/src/Ringtoets.GrassCoverErosionOutwards.Forms/GrassCoverErosionOutwardsFailureMechanismPropertyChangeHandler.cs
===================================================================
diff -u -r5082e699ef14479e2941b92533fa2cf0696475b7 -rf0bc2d83fb676a240b7ec789dfe72306eb99952a
--- Ringtoets/GrassCoverErosionOutwards/src/Ringtoets.GrassCoverErosionOutwards.Forms/GrassCoverErosionOutwardsFailureMechanismPropertyChangeHandler.cs	(.../GrassCoverErosionOutwardsFailureMechanismPropertyChangeHandler.cs)	(revision 5082e699ef14479e2941b92533fa2cf0696475b7)
+++ Ringtoets/GrassCoverErosionOutwards/src/Ringtoets.GrassCoverErosionOutwards.Forms/GrassCoverErosionOutwardsFailureMechanismPropertyChangeHandler.cs	(.../GrassCoverErosionOutwardsFailureMechanismPropertyChangeHandler.cs)	(revision f0bc2d83fb676a240b7ec789dfe72306eb99952a)
@@ -24,7 +24,6 @@
 using Core.Common.Base;
 using Ringtoets.Common.Forms.ChangeHandlers;
 using Ringtoets.GrassCoverErosionOutwards.Data;
-using Ringtoets.GrassCoverErosionOutwards.Forms.Properties;
 using Ringtoets.GrassCoverErosionOutwards.Service;
 
 namespace Ringtoets.GrassCoverErosionOutwards.Forms
@@ -35,14 +34,6 @@
     /// </summary>
     public class GrassCoverErosionOutwardsFailureMechanismPropertyChangeHandler : FailureMechanismPropertyChangeHandler<GrassCoverErosionOutwardsFailureMechanism>
     {
-        protected override string ConfirmationMessage
-        {
-            get
-            {
-                return Resources.GrassCoverErosionOutwardsFailureMechanismPropertyChangeHandler_Confirm_change_composition_and_clear_dependent_data;
-            }
-        }
-
         protected override bool RequiresConfirmation(GrassCoverErosionOutwardsFailureMechanism failureMechanism)
         {
             return base.RequiresConfirmation(failureMechanism)
Index: Ringtoets/GrassCoverErosionOutwards/src/Ringtoets.GrassCoverErosionOutwards.Forms/Properties/Resources.Designer.cs
===================================================================
diff -u -rff9310dfe6748389a43127fc88ad137fc6b7fd03 -rf0bc2d83fb676a240b7ec789dfe72306eb99952a
--- Ringtoets/GrassCoverErosionOutwards/src/Ringtoets.GrassCoverErosionOutwards.Forms/Properties/Resources.Designer.cs	(.../Resources.Designer.cs)	(revision ff9310dfe6748389a43127fc88ad137fc6b7fd03)
+++ Ringtoets/GrassCoverErosionOutwards/src/Ringtoets.GrassCoverErosionOutwards.Forms/Properties/Resources.Designer.cs	(.../Resources.Designer.cs)	(revision f0bc2d83fb676a240b7ec789dfe72306eb99952a)
@@ -82,18 +82,6 @@
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to Als u deze parameter wijzigt, zal de uitvoer van alle randvoorwaarden locaties en berekeningen in dit toetsspoor verwijderd worden.
-        ///
-        ///Weet u zeker dat u wilt doorgaan?.
-        /// </summary>
-        public static string GrassCoverErosionOutwardsFailureMechanismPropertyChangeHandler_Confirm_change_composition_and_clear_dependent_data {
-            get {
-                return ResourceManager.GetString("GrassCoverErosionOutwardsFailureMechanismPropertyChangeHandler_Confirm_change_com" +
-                        "position_and_clear_dependent_data", resourceCulture);
-            }
-        }
-        
-        /// <summary>
         ///   Looks up a localized string similar to Gras.
         /// </summary>
         public static string GrassCoverErosionOutwardsWaveConditionsInputContext_RevetmentType {
Index: Ringtoets/GrassCoverErosionOutwards/src/Ringtoets.GrassCoverErosionOutwards.Forms/Properties/Resources.resx
===================================================================
diff -u -rff9310dfe6748389a43127fc88ad137fc6b7fd03 -rf0bc2d83fb676a240b7ec789dfe72306eb99952a
--- Ringtoets/GrassCoverErosionOutwards/src/Ringtoets.GrassCoverErosionOutwards.Forms/Properties/Resources.resx	(.../Resources.resx)	(revision ff9310dfe6748389a43127fc88ad137fc6b7fd03)
+++ Ringtoets/GrassCoverErosionOutwards/src/Ringtoets.GrassCoverErosionOutwards.Forms/Properties/Resources.resx	(.../Resources.resx)	(revision f0bc2d83fb676a240b7ec789dfe72306eb99952a)
@@ -126,11 +126,6 @@
   <data name="GrassCoverErosionOutwardsWaveConditionsInputContext_RevetmentType" xml:space="preserve">
     <value>Gras</value>
   </data>
-  <data name="GrassCoverErosionOutwardsFailureMechanismPropertyChangeHandler_Confirm_change_composition_and_clear_dependent_data" xml:space="preserve">
-    <value>Als u deze parameter wijzigt, zal de uitvoer van alle randvoorwaarden locaties en berekeningen in dit toetsspoor verwijderd worden.
-
-Weet u zeker dat u wilt doorgaan?</value>
-  </data>
   <data name="MetaData_WaterLevelCalculationForFactorizedLowerLimitNorm" xml:space="preserve">
     <value>h(Vv-&gt;VIv)</value>
   </data>
Index: Ringtoets/GrassCoverErosionOutwards/test/Ringtoets.GrassCoverErosionOutwards.Forms.Test/GrassCoverErosionOutwardsFailureMechanismPropertyChangeHandlerTest.cs
===================================================================
diff -u -rda7bb9a6d96d7118d6dcdc2ee17a11d5b43f44c7 -rf0bc2d83fb676a240b7ec789dfe72306eb99952a
--- Ringtoets/GrassCoverErosionOutwards/test/Ringtoets.GrassCoverErosionOutwards.Forms.Test/GrassCoverErosionOutwardsFailureMechanismPropertyChangeHandlerTest.cs	(.../GrassCoverErosionOutwardsFailureMechanismPropertyChangeHandlerTest.cs)	(revision da7bb9a6d96d7118d6dcdc2ee17a11d5b43f44c7)
+++ Ringtoets/GrassCoverErosionOutwards/test/Ringtoets.GrassCoverErosionOutwards.Forms.Test/GrassCoverErosionOutwardsFailureMechanismPropertyChangeHandlerTest.cs	(.../GrassCoverErosionOutwardsFailureMechanismPropertyChangeHandlerTest.cs)	(revision f0bc2d83fb676a240b7ec789dfe72306eb99952a)
@@ -127,7 +127,7 @@
             if (dialogBoxWillBeShown)
             {
                 Assert.AreEqual("Bevestigen", title);
-                string expectedMessage = "Als u deze parameter wijzigt, zal de uitvoer van alle randvoorwaarden locaties en berekeningen in dit toetsspoor verwijderd worden." + Environment.NewLine +
+                string expectedMessage = "Als u deze parameter wijzigt, zal de uitvoer van alle berekeningen in dit toetsspoor verwijderd worden." + Environment.NewLine +
                                          Environment.NewLine +
                                          "Weet u zeker dat u wilt doorgaan?";
                 Assert.AreEqual(expectedMessage, message);
Index: Ringtoets/GrassCoverErosionOutwards/test/Ringtoets.GrassCoverErosionOutwards.Forms.Test/PropertyClasses/GrassCoverErosionOutwardsWaveConditionsOutputPropertiesTest.cs
===================================================================
diff -u -rff9310dfe6748389a43127fc88ad137fc6b7fd03 -rf0bc2d83fb676a240b7ec789dfe72306eb99952a
--- Ringtoets/GrassCoverErosionOutwards/test/Ringtoets.GrassCoverErosionOutwards.Forms.Test/PropertyClasses/GrassCoverErosionOutwardsWaveConditionsOutputPropertiesTest.cs	(.../GrassCoverErosionOutwardsWaveConditionsOutputPropertiesTest.cs)	(revision ff9310dfe6748389a43127fc88ad137fc6b7fd03)
+++ Ringtoets/GrassCoverErosionOutwards/test/Ringtoets.GrassCoverErosionOutwards.Forms.Test/PropertyClasses/GrassCoverErosionOutwardsWaveConditionsOutputPropertiesTest.cs	(.../GrassCoverErosionOutwardsWaveConditionsOutputPropertiesTest.cs)	(revision f0bc2d83fb676a240b7ec789dfe72306eb99952a)
@@ -112,7 +112,7 @@
             PropertyDescriptor itemsProperty = dynamicProperties[0];
             PropertiesTestHelper.AssertRequiredPropertyDescriptorProperties(itemsProperty,
                                                                             "Resultaat",
-                                                                            "Hydraulische randvoorwaarden voor gras",
+                                                                            "Hydraulische belastingen voor gras",
                                                                             "Berekende hydraulische belastingen voor gras.",
                                                                             true);
         }