While SUN/Oracle never delete old deprecated methods that were deprecated many years before, we should consider it. Leaving crap around an interface distracts from its usefulness.
Object getObjectsById(Object oids, boolean validate);
void makeTransientAll(Object pcs, boolean useFetchPlan);
void retrieveAll(Object pcs, boolean useFetchPlan);
These were all deprecated the order of 6 yrs ago!