Remove button from frontend editor ?

Using bbpress + TinyMCE advanced.
IS there any way to remove the Shortcake button to be displayed in front end editor ?

eg there : http://www.cwowd.com/forum-communaute/topic/a-venir-valeria-card-kingdoms-flames-and-frost-ks-le-18-octobre/page/18/#post-170766

best regards,
Thierry