supererogatory

Performed or observed beyond the required or expected degree.

Superfluous; unnecessary.

Partaking of supererogation; performed to an extent not enjoined or not required by duty; unnecessary; superfluous.

Performed to an extent not enjoined, or not required, by duty or necessity.

Pertaining to supererogation; doing more than is required, especially with reference to good works in Roman Catholicism

more than is needed, desired, or required