/** * Respond to configuration deletion. * * This may be used when modules need to clean up data that is no longer needed * that is related to the configuration being deleted. * * @param Config $active_config * The configuration object for the settings being deleted. */ function hook_config_delete(Config $active_config) { if (strpos($active_config->getName(), 'image.style') === 0) { $image_style_name = $active_config->get('name'); config('mymodule.image_style_addons.' . $image_style_name)->delete(); } }