necessary

unnecessary, unwanted, nonproductive, superfluous, duplicative, unessential, needless, unused, wasteful, unproductive, useless, extraneous, outdated, costly, burdensome, undesirable, underused, inefficient, obsolete, bloated, counterproductive, unrequested, underutilized, pointless, excessive, unwarranted, undesired, unsightly, unrequired, outmoded, inessential, unusable, antiquated, unwise, willy nilly, leftover, excess, nonessential, cumbersome, overzealous, unprofitable, onerous, harmful, unintended, inefficacious, noncritical, overburdened, unsalable, overpack, tedious, illogical, inappropriate, frivolous, inconvenient, overtaxed, unsupportable, overloaded, worthless, overstuffed, ineffective, misguided, unworthy, unrecoverable, unserviceable, necessary, overpriced, unuseable, pork barrel, nonmandatory, obsolescing, undedicated, expensive, nonworking, improper, overindulgent, thoughtless, shortsighted, overburdensome, avoidable, substandard, unpractical, exorbitant, undercharge, anachronistic, unwieldy, antipollution, unallowable, unconscionable, overgenerous, overabundant, unaesthetic, unapproved, incompatible, valueless, noncompliant, extra, unrepairable, uneconomical, obsolescent, nonviable, clunky, impractical, additional, needed, available, unavailable, ancillary, redundant, outsourced, expendable, purchased, salable, utilized, highquality, irreplaceable, scarce

deadwood, fifth wheel, redundance, redundancy

excess, extra, gratuitous, inessential, needless, redundant, reserve, spare, supererogatory, superfluous, supernumerary, surplus, uncalled-for, unnecessary