matrix removal?

[gelat]

I would like to always strip out (Bonus Track) from a title.

I made a replacement matrix, replace this was (Bonus Track) and WITH THIS I left blank.

Result was it deleted Bonus Track, but left me with empty parentheses like this ( )

[Skunky]

did you possibly have the "ignore ()" box checked?

[jtclipper]

You might need to uncheck the regex