cashier

ax (or axe), bounce, can, discharge, dismiss, fire, muster out, pink-slip, release, remove, retire, sack, terminate, turn off

cast (off), chuck, deep-six, discard, ditch, dump, eighty-six (or 86), exorcise (also exorcize), fling (off or away), jettison, junk, lay by, lose, pitch, reject, scrap, shed, shuck (off), slough (off) also sluff (off) , throw away, throw out, toss, unload