Rihanna unfollows Chris Brown on Twitter after diss track drops

WTF took her so long?

It seems Rihanna has finally had enough of Chris Brown and committed the ultimate "forget you" act: unfollowing her abusive ex on Twitter after he released a new track chock-full of disses seemingly aimed at her.

According to TMZ.com, the song in question is a remix of Kanye West's "Way Too Cold" in which Brown freestyles: "Don't f--- with my old b-----s ... like a bad fur ...every industry n---- done had her."

He continues, "Trick or treat like a pumpkin ... just to smash her."

Hours after Brown released the track Wednesday, Rihanna hit "unfollow," prompting Brown to do the same.

If you ask us, Brown should be banned from the airwaves, from Twitter - and from ever opening his mouth.

Follow Style/Buzz/Special Sections Editor Perrie Samotin on Twitter: @PerrieWS