to mention it
No vale la pena mencionarlo.
It's not worth mentioning.
Olvidé mencionarlo.
I forgot to mention it.
— Kal Ho Naa Ho (2003)
No pensé en mencionarlo.
I didn't think to mention it.
— El Maquinista (2004)
Debió olvidarse de mencionarlo.
He must have forgotten to mention it.
— Un buen ladrón (2025)