Как отключить режим отладки в sympony framework

imports:
- { resource: config.yml }

framework:
router: { resource: "%kernel.root_dir%/config/routing_dev.yml" }
profiler: { only_exceptions: false }

web_profiler:
toolbar: true
intercept_redirects: false

monolog:
handlers:
main:
type: stream
path: "%kernel.logs_dir%/%kernel.environment%.log"
level: debug
firephp:
type: firephp
level: info

assetic:
use_controller: true

#swiftmailer:
# delivery_address: me@example.com

RewriteEngine On

#
# RewriteBase /
#

RewriteCond %{REQUEST_FILENAME} !-f
RewriteRule ^(.*)$ app_dev.php [QSA,L]