Index: Core/Common/src/Core.Common.Gui/Commands/GuiExportHandler.cs
===================================================================
diff -u -rc7a95384b7c921de2ea281456f6d56b048754b12 -r070692ebdda1dca2393f7471f6eafa229f8c4bad
--- Core/Common/src/Core.Common.Gui/Commands/GuiExportHandler.cs	(.../GuiExportHandler.cs)	(revision c7a95384b7c921de2ea281456f6d56b048754b12)
+++ Core/Common/src/Core.Common.Gui/Commands/GuiExportHandler.cs	(.../GuiExportHandler.cs)	(revision 070692ebdda1dca2393f7471f6eafa229f8c4bad)
@@ -26,7 +26,6 @@
 using System.Windows.Forms;
 using Core.Common.Base.IO;
 using Core.Common.Gui.Forms;
-using Core.Common.Gui.Helpers;
 using Core.Common.Gui.Plugin;
 using Core.Common.Gui.Properties;
 using Core.Common.Util.Reflection;
@@ -43,7 +42,6 @@
 
         private readonly IWin32Window dialogParent;
         private readonly IEnumerable<ExportInfo> exportInfos;
-        private readonly DialogBasedInquiryHelper inquiryHelper;
 
         /// <summary>
         /// Initializes a new instance of the <see cref="GuiExportHandler"/> class.
@@ -54,8 +52,6 @@
         {
             this.dialogParent = dialogParent;
             this.exportInfos = exportInfos;
-
-            inquiryHelper = new DialogBasedInquiryHelper(dialogParent);
         }
 
         public bool CanExportFrom(object source)
@@ -132,7 +128,7 @@
                        : exportInfo.Name;
         }
 
-        private void ExportItem(ExportInfo exportInfo, object source)
+        private static void ExportItem(ExportInfo exportInfo, object source)
         {
             string exportFilePath = exportInfo.GetExportPath();
 
Index: Riskeer/Piping/src/Riskeer.Piping.Plugin/PipingPlugin.cs
===================================================================
diff -u -r3cc23c40d1904a58a7d4ded98d4785c70a3d6d40 -r070692ebdda1dca2393f7471f6eafa229f8c4bad
--- Riskeer/Piping/src/Riskeer.Piping.Plugin/PipingPlugin.cs	(.../PipingPlugin.cs)	(revision 3cc23c40d1904a58a7d4ded98d4785c70a3d6d40)
+++ Riskeer/Piping/src/Riskeer.Piping.Plugin/PipingPlugin.cs	(.../PipingPlugin.cs)	(revision 070692ebdda1dca2393f7471f6eafa229f8c4bad)
@@ -28,7 +28,6 @@
 using Core.Common.Controls.TreeView;
 using Core.Common.Gui.ContextMenu;
 using Core.Common.Gui.Forms.ProgressDialog;
-using Core.Common.Gui.Helpers;
 using Core.Common.Gui.Plugin;
 using Core.Common.Util;
 using Riskeer.Common.Data.AssessmentSection;