How to Hide Members Admin Menus

function plt_hide_members_menus() {
	//Hide "Members".
	remove_menu_page('members');
	//Hide "Members → Roles".
	remove_submenu_page('members', 'roles');
	//Hide "Members → Add New Role".
	remove_submenu_page('members', 'members');
	//Hide "Members → Settings".
	remove_submenu_page('members', 'members-settings');
	//Hide "Members → Add-Ons".
	remove_submenu_page('members', 'members-settings&view=add-ons');
	//Hide "Members → Payments".
	remove_submenu_page('members', 'members-payments');
	//Hide "Members → About Us".
	remove_submenu_page('members', 'members-about');
	//Hide "Members → Growth Tools".
	remove_submenu_page('members', 'members-growth-tools');
}

add_action('admin_menu', 'plt_hide_members_menus', 10000);

Where do I put this code?