public function removeOrder($fieldToRemove)
    {
        $order = array();
        if (count($order) > 0) {
            foreach ($this->fields as $field => $direction) {
                if (strtolower($fieldToRemove) === strtolower($field)) {
                    continue;
                }
                $order[$field] = $direction;
            }
        }
        $this->fields = $order;
    }