Should you need to remove a diagram from your model, you can do this by making it active and selecting Delete from the Diagram Menu. You can also achieve this by selecting Delete from the diagrams context menu in the Tree View
Se ten que eliminar un diagrama do seu modelo, poderá facelo se o activa e escolle Borrar no menú Diagrama. Tamén pode facer isto se escolle Borrar no menú contextual do diagrama na Vista en árbore