has nothing to do with; is unrelated to
Tu sais bien que ça n'a rien à voir.
You know very well that it has nothing to do with it.
— Faute d'amour (2017)
Ça n'a rien à voir, Chris, ferme-la, putain.
That has nothing to do with it, Chris. Shut the fuck up.
— Bacurau (2019)
Ça n'a rien à voir, je voulais vous poser quelques questions.
That has nothing to do with it. I wanted to ask you a few questions.
— The Mask (1994)
On se parlait, ça n'a rien à voir.
We were talking to each other; it has nothing to do with that.
— La Vie d'Adèle - Chapitres 1 et 2 (2013)
No, it has nothing to do with it.