How to Hide ElasticPress Admin Menus

function plt_hide_elasticpress_menus() {
	//Hide "ElasticPress".
	remove_menu_page('elasticpress');
	//Hide "ElasticPress → Features".
	remove_submenu_page('elasticpress', 'elasticpress');
	//Hide "ElasticPress → Settings".
	remove_submenu_page('elasticpress', 'elasticpress-settings');
	//Hide "ElasticPress → Sync".
	remove_submenu_page('elasticpress', 'elasticpress-sync');
	//Hide "ElasticPress → Index Health".
	remove_submenu_page('elasticpress', 'elasticpress-health');
	//Hide "ElasticPress → Status Report".
	remove_submenu_page('elasticpress', 'elasticpress-status-report');
	//Hide "ElasticPress → Search Fields  Weighting".
	remove_submenu_page('elasticpress', 'elasticpress-weighting');
	//Hide "ElasticPress → Synonyms".
	remove_submenu_page('elasticpress', 'elasticpress-synonyms');
	//Hide "ElasticPress → Custom Results".
	remove_submenu_page('elasticpress', 'edit.php?post_type=ep-pointer');
}

add_action('admin_menu', 'plt_hide_elasticpress_menus', 51);
Where do I put this code?