{
final StarzPreferences starzPreferences = model.getStarzPreferences();
final UserPreferences userPreferences = model.getUserPreferences();
starzPreferences.removePropertyChangeListener(propertyChangeDispatcher);
userPreferences.removePropertyChangeListener(propertyChangeDispatcher);
navigator.setViewModel(null);
navigator.setGuidesSet(null);
navigator.guideSelected(null);
navigator.feedSelected(null);