Index: /trunk/src/org/openstreetmap/josm/gui/dialogs/LayerListDialog.java
===================================================================
--- /trunk/src/org/openstreetmap/josm/gui/dialogs/LayerListDialog.java	(revision 15257)
+++ /trunk/src/org/openstreetmap/josm/gui/dialogs/LayerListDialog.java	(revision 15258)
@@ -1063,6 +1063,6 @@
                         OffsetBookmark offsetBookmark = abstractTileSourceLayer.getDisplaySettings().getOffsetBookmark();
                         if (offsetBookmark != null) {
-                            offsetBookmark.setDisplacement(EastNorth.ZERO);
-                            abstractTileSourceLayer.getDisplaySettings().setOffsetBookmark(offsetBookmark);
+                            abstractTileSourceLayer.getDisplaySettings().setOffsetBookmark(null);
+                            MainApplication.getMenu().imageryMenu.refreshOffsetMenu();
                         }
                     }