unnecessary
US /ʌnˈnes.ə.ser.i/
UK /ʌnˈnes.ə.ser.i/

1.
inutile, superfluo
not needed; superfluous
:
•
It's unnecessary to bring a coat; it's warm outside.
È inutile portare un cappotto; fa caldo fuori.
•
The extra paperwork was completely unnecessary.
La documentazione aggiuntiva era completamente inutile.