nugatory

Of little or no importance; trifling.

Unavailing, futile, or invalid.

Trifling; futile; worthless: without significance.

Of no force or effect; inoperative; ineffectual; vain.

Trifling; vain; futile; insignificant.

Of no force; inoperative; ineffectual.

Trivial, trifling or of little importance.

Ineffective, invalid or futile.

Having no force, inoperative, ineffectual.

Removable from a computer program with safety, but harmless if retained.