Index: applications/editors/josm/plugins/public_transport/src/org/openstreetmap/josm/plugins/public_transport/dialogs/GTFSImporterDialog.java
===================================================================
--- applications/editors/josm/plugins/public_transport/src/org/openstreetmap/josm/plugins/public_transport/dialogs/GTFSImporterDialog.java	(revision 33769)
+++ applications/editors/josm/plugins/public_transport/src/org/openstreetmap/josm/plugins/public_transport/dialogs/GTFSImporterDialog.java	(revision 33770)
@@ -19,5 +19,5 @@
 
 public class GTFSImporterDialog extends AbstractImporterDialog<GTFSImporterAction> {
-    private JTable gtfsStopTable = null;
+    private final JTable gtfsStopTable = new JTable();
 
     public GTFSImporterDialog(GTFSImporterAction controller) {
@@ -229,5 +229,4 @@
      controller.getFocusWaypointDeleteAction());*/
 
-        gtfsStopTable = new JTable();
         JScrollPane tableSP = new JScrollPane(gtfsStopTable);
 
Index: applications/editors/josm/plugins/public_transport/src/org/openstreetmap/josm/plugins/public_transport/dialogs/StopImporterDialog.java
===================================================================
--- applications/editors/josm/plugins/public_transport/src/org/openstreetmap/josm/plugins/public_transport/dialogs/StopImporterDialog.java	(revision 33769)
+++ applications/editors/josm/plugins/public_transport/src/org/openstreetmap/josm/plugins/public_transport/dialogs/StopImporterDialog.java	(revision 33770)
@@ -32,7 +32,7 @@
     private JList<TrackReference> tracksList = null;
 
-    private JTable stoplistTable = null;
-
-    private JTable waypointTable = null;
+    private final JTable stoplistTable = new JTable();
+
+    private final JTable waypointTable = new JTable();
 
     public StopImporterDialog(StopImporterAction controller) {
@@ -278,5 +278,4 @@
                 controller.getFocusStoplistDeleteAction());
 
-        stoplistTable = new JTable();
         JScrollPane tableSP = new JScrollPane(stoplistTable);
 
@@ -411,5 +410,4 @@
                 controller.getFocusWaypointDeleteAction());
 
-        waypointTable = new JTable();
         tableSP = new JScrollPane(waypointTable);