Is saying "an obsolete remnant" or "an old remnant" redundant (or tautologous), or can the adjective be necessary to convey what I'm trying to say?
(I imagined "remnant" already carries the connotation of "obsolete" to some extent, but looking at Wiktionary, maybe that is not the case.)
Bonus question: Is there a better noun for "something that's remaining or left behind, yet obsolete"?