function bbp_remove_user_favorite( $user_id, $topic_id ) {
	$user_id  = bbp_get_user_id( $user_id, false, false );
	$topic_id = bbp_get_topic_id( $topic_id );

	// Bail if not enough info
	if ( empty( $user_id ) || empty( $topic_id ) ) {
		return false;
	}

	// Bail if not already a favorite
	if ( ! bbp_is_user_favorite( $user_id, $topic_id ) ) {
		return false;
	}

	// Bail if remove fails
	if ( ! bbp_remove_user_from_object( $topic_id, $user_id, '_bbp_favorite' ) ) {
		return false;
	}

	do_action( 'bbp_remove_user_favorite', $user_id, $topic_id );

	return true;
}