private function removeProperty($name)
    {
        $properties = null;
        try {
            $properties = $this->getPropValue($this->getProject(), 'properties');
            if ($properties !== null) {
                unset($properties[$name]);
                $this->setPropValue($properties, $this->getProject(), 'properties');
            }
        } catch (Exception $e) {
        }
        try {
            $properties = $this->getPropValue($this->getProject(), 'userProperties');
            if ($properties !== null) {
                unset($properties[$name]);
                $this->setPropValue($properties, $this->getProject(), 'userProperties');
            }
        } catch (Exception $e) {
        }
    }