Index: Riskeer/DuneErosion/src/Riskeer.DuneErosion.Plugin/DuneErosionPlugin.cs
===================================================================
diff -u -r213525804adf104fec4b23ef79fd8a5002959663 -r28b81d2eb49702bc42fb4cbe5200614c629a193f
--- Riskeer/DuneErosion/src/Riskeer.DuneErosion.Plugin/DuneErosionPlugin.cs	(.../DuneErosionPlugin.cs)	(revision 213525804adf104fec4b23ef79fd8a5002959663)
+++ Riskeer/DuneErosion/src/Riskeer.DuneErosion.Plugin/DuneErosionPlugin.cs	(.../DuneErosionPlugin.cs)	(revision 28b81d2eb49702bc42fb4cbe5200614c629a193f)
@@ -44,7 +44,6 @@
 using Riskeer.Common.Forms.Views;
 using Riskeer.Common.Plugin;
 using Riskeer.Common.Plugin.FileImporters;
-using Riskeer.Common.Service;
 using Riskeer.DuneErosion.Data;
 using Riskeer.DuneErosion.Forms.GuiServices;
 using Riskeer.DuneErosion.Forms.PresentationObjects;
@@ -646,17 +645,10 @@
                                                      DuneLocationCalculationActivityFactory.CreateCalculationActivities(failureMechanism, assessmentSection));
                 });
 
-            string validationText = HydraulicBoundaryDataConnectionValidator.Validate(assessmentSection.HydraulicBoundaryData);
-
-            if (string.IsNullOrEmpty(validationText) && !failureMechanism.DuneLocations.Any())
+            if (!failureMechanism.DuneLocations.Any())
             {
-                validationText = Resources.DuneErosionPlugin_CreateCalculateAllItem_No_calculatable_locations_present;
-            }
-
-            if (!string.IsNullOrEmpty(validationText))
-            {
                 calculateAllItem.Enabled = false;
-                calculateAllItem.ToolTipText = validationText;
+                calculateAllItem.ToolTipText = Resources.DuneErosionPlugin_CreateCalculateAllItem_No_calculatable_locations_present;
             }
 
             return calculateAllItem;