public function delete($buildId)
    {
        $this->requireAdmin();

        $build = BuildFactory::getBuildById($buildId);

        if (empty($build)) {
            throw new NotFoundException(Lang::get('build_x_not_found', $buildId));
        }

        $this->buildService->deleteBuild($build);

        $response = new b8\Http\Response\RedirectResponse();
        $response->setHeader('Location', PHPCI_URL.'project/view/' . $build->getProjectId());
        return $response;
    }