Index: trunk/src/org/openstreetmap/josm/gui/io/SaveLayersDialog.java
===================================================================
--- trunk/src/org/openstreetmap/josm/gui/io/SaveLayersDialog.java	(revision 14357)
+++ trunk/src/org/openstreetmap/josm/gui/io/SaveLayersDialog.java	(revision 14358)
@@ -276,8 +276,5 @@
     private static void warn(String msg, List<SaveLayerInfo> infos, String title) {
         JPanel panel = new LayerListWarningMessagePanel(msg, infos);
-        // For unit test coverage in headless mode
-        if (!GraphicsEnvironment.isHeadless()) {
-            JOptionPane.showConfirmDialog(MainApplication.getMainFrame(), panel, title, JOptionPane.DEFAULT_OPTION, JOptionPane.WARNING_MESSAGE);
-        }
+        JOptionPane.showConfirmDialog(MainApplication.getMainFrame(), panel, title, JOptionPane.DEFAULT_OPTION, JOptionPane.WARNING_MESSAGE);
     }