Translation of "Unrelated" in Spanish

It doesn't matter that a lot of people have dogs, it's just unrelated.

No importa que muchas personas tengan perros, simplemente no es el tema del grupo.

You've got to have a strong will to study something unrelated to your job after you've finished working.

Tienes que tener una firme voluntad de estudiar algo no relacionado con tu trabajo después de haber terminado de trabajar.