function bp_blogs_post_type_comments_avoid_duplicates( $retval ) {
	/**
	 * Only limit the display when Post type comments are synced with
	 * activity comments.
	 */
	if ( bp_disable_blogforum_comments() ) {
		return $retval;
	}

	if ( 'activity_comment' !== bp_get_activity_type() ) {
		return $retval;
	}

	// Check the parent activity.
	$parent_activity = new BP_Activity_Activity( bp_get_activity_item_id() );

	if ( isset( $parent_activity->type ) && bp_activity_post_type_get_tracking_arg( $parent_activity->type, 'post_type' ) ) {
		$retval = 0;
	}

	return $retval;
}