[Plugin: Comprehensive Google Map Plugin] can you totally disable the infowindow?

I just want a very simple marker with no infowindow (“bubble”).

I have the settings:
addmarkermashupbubble=false
addmarkermashup=false

what do I need to do to totally disable the infowindow/bubble? I’m happy to modify/delete stuff from the plugin files — if I only knew where to look!

Thanks.
-nr.

http://wordpress.org/extend/plugins/comprehensive-google-map-plugin/