Index: DamClients/DamUI/trunk/src/DamClientsLibrary/Deltares.Dam.Data/DataPlugins/DataPluginImporter.cs
===================================================================
diff -u -r2529 -r2556
--- DamClients/DamUI/trunk/src/DamClientsLibrary/Deltares.Dam.Data/DataPlugins/DataPluginImporter.cs	(.../DataPluginImporter.cs)	(revision 2529)
+++ DamClients/DamUI/trunk/src/DamClientsLibrary/Deltares.Dam.Data/DataPlugins/DataPluginImporter.cs	(.../DataPluginImporter.cs)	(revision 2556)
@@ -401,11 +401,8 @@
         public void ImportDataForDikeRings(IEnumerable<string> dikeRingIds,
             DamEngine.Data.Standard.Calculation.ProgressDelegate progress)
         {
-            foreach (var dike in waterBoard.Dikes)
-            {
-                dike.Locations.Clear();
-            }
             isAllDataImported = false;
+            isDikeRingAndLocationDataImported = false;
             ImportAllData(dikeRingIds, progress);
         }