Index: Riskeer/Integration/src/Riskeer.Integration.IO/Handlers/IHydraulicBoundaryDataUpdateHandler.cs
===================================================================
diff -u -r904828e9ff05079392f92097fbaf35b7baf3f7ca -r4aff98e3e603140a94d763fda332fab9eb00303b
--- Riskeer/Integration/src/Riskeer.Integration.IO/Handlers/IHydraulicBoundaryDataUpdateHandler.cs	(.../IHydraulicBoundaryDataUpdateHandler.cs)	(revision 904828e9ff05079392f92097fbaf35b7baf3f7ca)
+++ Riskeer/Integration/src/Riskeer.Integration.IO/Handlers/IHydraulicBoundaryDataUpdateHandler.cs	(.../IHydraulicBoundaryDataUpdateHandler.cs)	(revision 4aff98e3e603140a94d763fda332fab9eb00303b)
@@ -44,7 +44,6 @@
         /// update with.</param>
         /// <param name="excludedLocationIds">The location ids that should be excluded.</param>
         /// <param name="hrdFilePath">The file path of the hydraulic boundary database.</param>
-        /// <param name="hlcdFilePath">The file path of the hydraulic location configuration database.</param>
         /// <returns>All objects that have been affected by the update.</returns>
         /// <exception cref="ArgumentNullException">Thrown when any parameter is <c>null</c>.</exception>
         /// <exception cref="ArgumentException">Thrown when the <paramref name="hydraulicBoundaryData"/> cannot be updated with
@@ -53,8 +52,7 @@
                                         ReadHydraulicBoundaryDatabase readHydraulicBoundaryDatabase,
                                         ReadHydraulicLocationConfigurationDatabase readHydraulicLocationConfigurationDatabase,
                                         IEnumerable<long> excludedLocationIds,
-                                        string hrdFilePath,
-                                        string hlcdFilePath);
+                                        string hrdFilePath);
 
         /// <summary>
         /// Perform post-update actions.
Index: Riskeer/Integration/src/Riskeer.Integration.Plugin/Handlers/HydraulicBoundaryDataUpdateHandler.cs
===================================================================
diff -u -r904828e9ff05079392f92097fbaf35b7baf3f7ca -r4aff98e3e603140a94d763fda332fab9eb00303b
--- Riskeer/Integration/src/Riskeer.Integration.Plugin/Handlers/HydraulicBoundaryDataUpdateHandler.cs	(.../HydraulicBoundaryDataUpdateHandler.cs)	(revision 904828e9ff05079392f92097fbaf35b7baf3f7ca)
+++ Riskeer/Integration/src/Riskeer.Integration.Plugin/Handlers/HydraulicBoundaryDataUpdateHandler.cs	(.../HydraulicBoundaryDataUpdateHandler.cs)	(revision 4aff98e3e603140a94d763fda332fab9eb00303b)
@@ -22,7 +22,6 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
-using System.Windows.Forms;
 using Core.Common.Base;
 using Riskeer.Common.Data.Hydraulics;
 using Riskeer.DuneErosion.Plugin.Handlers;
@@ -31,7 +30,6 @@
 using Riskeer.Integration.Data;
 using Riskeer.Integration.IO.Handlers;
 using Riskeer.Integration.Plugin.Helpers;
-using Riskeer.Integration.Plugin.Properties;
 using Riskeer.Integration.Service;
 using CoreCommonBaseResources = Core.Common.Base.Properties.Resources;
 
@@ -71,7 +69,7 @@
 
         public IEnumerable<IObservable> Update(HydraulicBoundaryData hydraulicBoundaryData, ReadHydraulicBoundaryDatabase readHydraulicBoundaryDatabase,
                                                ReadHydraulicLocationConfigurationDatabase readHydraulicLocationConfigurationDatabase,
-                                               IEnumerable<long> excludedLocationIds, string hrdFilePath, string hlcdFilePath)
+                                               IEnumerable<long> excludedLocationIds, string hrdFilePath)
         {
             if (hydraulicBoundaryData == null)
             {
@@ -98,11 +96,6 @@
                 throw new ArgumentNullException(nameof(hrdFilePath));
             }
 
-            if (hlcdFilePath == null)
-            {
-                throw new ArgumentNullException(nameof(hlcdFilePath));
-            }
-
             if (!IsValidReadHydraulicLocationConfigurationDatabase(readHydraulicLocationConfigurationDatabase))
             {
                 string errorMessage = $"{nameof(readHydraulicLocationConfigurationDatabase)} must be null or contain exactly one item for " +
@@ -141,7 +134,7 @@
             HydraulicLocationConfigurationDatabaseUpdateHelper.UpdateHydraulicLocationConfigurationDatabase(
                 hydraulicBoundaryData.HydraulicLocationConfigurationDatabase,
                 readHydraulicLocationConfigurationDatabase.ReadHydraulicLocationConfigurationSettings?.Single(),
-                hlcdFilePath);
+                hydraulicBoundaryData.HydraulicLocationConfigurationDatabase.FilePath);
 
             return changedObjects;
         }