Index: /trunk/src/org/openstreetmap/josm/gui/dialogs/LayerListDialog.java
===================================================================
--- /trunk/src/org/openstreetmap/josm/gui/dialogs/LayerListDialog.java	(revision 13284)
+++ /trunk/src/org/openstreetmap/josm/gui/dialogs/LayerListDialog.java	(revision 13285)
@@ -829,6 +829,4 @@
             for (int row : sel) {
                 Layer l1 = layers.get(row);
-                Layer l2 = layers.get(row-1);
-                mapView.moveLayer(l2, row);
                 mapView.moveLayer(l1, row-1);
             }
@@ -865,7 +863,5 @@
             for (int row : sel) {
                 Layer l1 = layers.get(row);
-                Layer l2 = layers.get(row+1);
                 mapView.moveLayer(l1, row+1);
-                mapView.moveLayer(l2, row);
             }
             fireTableDataChanged();