Index: Riskeer/Integration/src/Riskeer.Integration.Plugin/Properties/Resources.Designer.cs
===================================================================
diff -u -reba50216c7c95008e2f5ea4dc238551bfc01d878 -r7f9e873cc6686f11129e65e56371f8f7930d8264
--- Riskeer/Integration/src/Riskeer.Integration.Plugin/Properties/Resources.Designer.cs	(.../Resources.Designer.cs)	(revision eba50216c7c95008e2f5ea4dc238551bfc01d878)
+++ Riskeer/Integration/src/Riskeer.Integration.Plugin/Properties/Resources.Designer.cs	(.../Resources.Designer.cs)	(revision 7f9e873cc6686f11129e65e56371f8f7930d8264)
@@ -495,6 +495,18 @@
         }
         
         /// <summary>
+        ///   Looks up a localized string similar to Als u deze doelkans verwijdert, dan wordt de uitvoer van alle ervan afhankelijke berekeningen verwijderd.
+        ///
+        ///Weet u zeker dat u wilt doorgaan?.
+        /// </summary>
+        public static string RiskeerPlugin_GetTreeNodeInfos_HydraulicBoundaryDatabaseUpdateHandler_Confirm_remove_TargetProbability {
+            get {
+                return ResourceManager.GetString("RiskeerPlugin_GetTreeNodeInfos_HydraulicBoundaryDatabaseUpdateHandler_Confirm_rem" +
+                        "ove_TargetProbability", resourceCulture);
+            }
+        }
+        
+        /// <summary>
         ///   Looks up a localized string similar to Als u voorlandprofielen importeert, dan worden de  resultaten van alle berekeningen in dit toetsspoor die voorlandprofielen gebruiken verwijderd.
         ///
         ///Weet u zeker dat u wilt doorgaan?.
Index: Riskeer/Integration/src/Riskeer.Integration.Plugin/Properties/Resources.resx
===================================================================
diff -u -reba50216c7c95008e2f5ea4dc238551bfc01d878 -r7f9e873cc6686f11129e65e56371f8f7930d8264
--- Riskeer/Integration/src/Riskeer.Integration.Plugin/Properties/Resources.resx	(.../Resources.resx)	(revision eba50216c7c95008e2f5ea4dc238551bfc01d878)
+++ Riskeer/Integration/src/Riskeer.Integration.Plugin/Properties/Resources.resx	(.../Resources.resx)	(revision 7f9e873cc6686f11129e65e56371f8f7930d8264)
@@ -303,4 +303,9 @@
     <data name="Zip_file_filter_Description" xml:space="preserve">
         <value>zip archief</value>
     </data>
+    <data name="RiskeerPlugin_GetTreeNodeInfos_HydraulicBoundaryDatabaseUpdateHandler_Confirm_remove_TargetProbability" xml:space="preserve">
+        <value>Als u deze doelkans verwijdert, dan wordt de uitvoer van alle ervan afhankelijke berekeningen verwijderd.
+
+Weet u zeker dat u wilt doorgaan?</value>
+    </data>
 </root>
\ No newline at end of file
Index: Riskeer/Integration/src/Riskeer.Integration.Plugin/RiskeerPlugin.cs
===================================================================
diff -u -reba50216c7c95008e2f5ea4dc238551bfc01d878 -r7f9e873cc6686f11129e65e56371f8f7930d8264
--- Riskeer/Integration/src/Riskeer.Integration.Plugin/RiskeerPlugin.cs	(.../RiskeerPlugin.cs)	(revision eba50216c7c95008e2f5ea4dc238551bfc01d878)
+++ Riskeer/Integration/src/Riskeer.Integration.Plugin/RiskeerPlugin.cs	(.../RiskeerPlugin.cs)	(revision 7f9e873cc6686f11129e65e56371f8f7930d8264)
@@ -1039,6 +1039,7 @@
                 Text = context => noProbabilityValueDoubleConverter.ConvertToString(context.WrappedData.TargetProbability),
                 Image = context => RiskeerCommonFormsResources.GenericInputOutputIcon,
                 EnsureVisibleOnCreate = (context, o) => true,
+                BeforeNodeRemoveText = context => Resources.RiskeerPlugin_GetTreeNodeInfos_HydraulicBoundaryDatabaseUpdateHandler_Confirm_remove_TargetProbability,
                 CanRemove = (context, o) => true,
                 OnNodeRemoved = WaterLevelHydraulicBoundaryCalculationsForUserDefinedTargetProbabilityOnNodeRemoved,
                 ContextMenuStrip = WaterLevelCalculationsForUserDefinedTargetProbabilityContextMenuStrip,
@@ -1061,6 +1062,7 @@
                 Text = context => noProbabilityValueDoubleConverter.ConvertToString(context.WrappedData.TargetProbability),
                 Image = context => RiskeerCommonFormsResources.GenericInputOutputIcon,
                 EnsureVisibleOnCreate = (context, o) => true,
+                BeforeNodeRemoveText = context => Resources.RiskeerPlugin_GetTreeNodeInfos_HydraulicBoundaryDatabaseUpdateHandler_Confirm_remove_TargetProbability,
                 CanRemove = (context, o) => true,
                 OnNodeRemoved = HydraulicBoundaryCalculationsForUserDefinedTargetProbabilityOnNodeRemoved,
                 ContextMenuStrip = WaveHeightCalculationsForUserDefinedTargetProbabilityContextMenuStrip,
Index: Riskeer/Integration/test/Riskeer.Integration.Plugin.Test/TreeNodeInfos/WaterLevelCalculationsForUserDefinedTargetProbabilityContextTreeNodeInfoTest.cs
===================================================================
diff -u -r14e0d9ad8a8996b447a17f09f34faf2f70a62a3d -r7f9e873cc6686f11129e65e56371f8f7930d8264
--- Riskeer/Integration/test/Riskeer.Integration.Plugin.Test/TreeNodeInfos/WaterLevelCalculationsForUserDefinedTargetProbabilityContextTreeNodeInfoTest.cs	(.../WaterLevelCalculationsForUserDefinedTargetProbabilityContextTreeNodeInfoTest.cs)	(revision 14e0d9ad8a8996b447a17f09f34faf2f70a62a3d)
+++ Riskeer/Integration/test/Riskeer.Integration.Plugin.Test/TreeNodeInfos/WaterLevelCalculationsForUserDefinedTargetProbabilityContextTreeNodeInfoTest.cs	(.../WaterLevelCalculationsForUserDefinedTargetProbabilityContextTreeNodeInfoTest.cs)	(revision 7f9e873cc6686f11129e65e56371f8f7930d8264)
@@ -92,6 +92,7 @@
                 Assert.IsNull(info.CanRename);
                 Assert.IsNull(info.OnNodeRenamed);
                 Assert.IsNotNull(info.CanRemove);
+                Assert.IsNotNull(info.BeforeNodeRemoveText);
                 Assert.IsNotNull(info.OnNodeRemoved);
                 Assert.IsNull(info.CanCheck);
                 Assert.IsNull(info.CheckedState);
@@ -176,6 +177,26 @@
         }
 
         [Test]
+        public void BeforeRemoveNodeText_Always_ReturnsConfirmationMessage()
+        {
+            // Setup
+            using (var plugin = new RiskeerPlugin())
+            {
+                TreeNodeInfo info = GetInfo(plugin);
+
+                // Call
+                string beforeNodeRemoveText = info.BeforeNodeRemoveText(null);
+
+                // Assert
+                string expectedText = "Als u deze doelkans verwijdert, dan wordt de uitvoer van alle ervan afhankelijke berekeningen verwijderd."
+                                      + Environment.NewLine
+                                      + Environment.NewLine
+                                      + "Weet u zeker dat u wilt doorgaan?";
+                Assert.AreEqual(expectedText, beforeNodeRemoveText);
+            }
+        }
+
+        [Test]
         public void OnNodeRemoved_WithContexts_RemovesItemAndNotifiesObservers()
         {
             // Setup
Index: Riskeer/Integration/test/Riskeer.Integration.Plugin.Test/TreeNodeInfos/WaveHeightCalculationsForUserDefinedTargetProbabilityContextTreeNodeInfoTest.cs
===================================================================
diff -u -r5be9a0a80e227564f3c625f434437b4dd99fcfb7 -r7f9e873cc6686f11129e65e56371f8f7930d8264
--- Riskeer/Integration/test/Riskeer.Integration.Plugin.Test/TreeNodeInfos/WaveHeightCalculationsForUserDefinedTargetProbabilityContextTreeNodeInfoTest.cs	(.../WaveHeightCalculationsForUserDefinedTargetProbabilityContextTreeNodeInfoTest.cs)	(revision 5be9a0a80e227564f3c625f434437b4dd99fcfb7)
+++ Riskeer/Integration/test/Riskeer.Integration.Plugin.Test/TreeNodeInfos/WaveHeightCalculationsForUserDefinedTargetProbabilityContextTreeNodeInfoTest.cs	(.../WaveHeightCalculationsForUserDefinedTargetProbabilityContextTreeNodeInfoTest.cs)	(revision 7f9e873cc6686f11129e65e56371f8f7930d8264)
@@ -84,6 +84,7 @@
                 Assert.IsNull(info.CanRename);
                 Assert.IsNull(info.OnNodeRenamed);
                 Assert.IsNotNull(info.CanRemove);
+                Assert.IsNotNull(info.BeforeNodeRemoveText);
                 Assert.IsNotNull(info.OnNodeRemoved);
                 Assert.IsNull(info.CanCheck);
                 Assert.IsNull(info.CheckedState);
@@ -168,6 +169,26 @@
         }
 
         [Test]
+        public void BeforeRemoveNodeText_Always_ReturnsConfirmationMessage()
+        {
+            // Setup
+            using (var plugin = new RiskeerPlugin())
+            {
+                TreeNodeInfo info = GetInfo(plugin);
+
+                // Call
+                string beforeNodeRemoveText = info.BeforeNodeRemoveText(null);
+
+                // Assert
+                string expectedText = "Als u deze doelkans verwijdert, dan wordt de uitvoer van alle ervan afhankelijke berekeningen verwijderd."
+                                      + Environment.NewLine
+                                      + Environment.NewLine
+                                      + "Weet u zeker dat u wilt doorgaan?";
+                Assert.AreEqual(expectedText, beforeNodeRemoveText);
+            }
+        }
+
+        [Test]
         public void OnNodeRemoved_WithContexts_RemovesItemAndNotifiesObservers()
         {
             // Setup