Removes facebook avatar metas saved by wp fb autoconnect plugin when a Buddypress user upload a new avatar

gistfile1.php

/**
 * Removes facebook avatar URL save in user metas by wp fb autoconnect plugin
 * requires Buddypress & wp-fb-autoconnect
 * @global type $bp
 */
function remove_facebook_avatar () {
	global $bp;
	delete_user_meta($bp->displayed_user->id, 'facebook_avatar_full');
	delete_user_meta($bp->displayed_user->id, 'facebook_avatar_thumb');
}
add_action( 'xprofile_avatar_uploaded', 'remove_facebook_avatar' );