Tips on Customizing Duplicator – WordPress Migration & Backup Plugin

How to Hide Duplicator Admin Menus

function plt_hide_duplicator_menus() {
	//Hide "Duplicator".
	remove_menu_page('duplicator');
	//Hide "Duplicator → Packages".
	remove_submenu_page('duplicator', 'duplicator');
	//Hide "Duplicator → Import".
	remove_submenu_page('duplicator', 'duplicator-import');
	//Hide "Duplicator → SchedulesNEW!".
	remove_submenu_page('duplicator', 'duplicator-schedules');
	//Hide "Duplicator → Storage".
	remove_submenu_page('duplicator', 'duplicator-storage');
	//Hide "Duplicator → Tools".
	remove_submenu_page('duplicator', 'duplicator-tools');
	//Hide "Duplicator → Settings".
	remove_submenu_page('duplicator', 'duplicator-settings');
	//Hide "Duplicator → About Us".
	remove_submenu_page('duplicator', 'duplicator-about-us');
	//Hide "Duplicator → Upgrade to Pro".
	remove_submenu_page('duplicator', 'https://duplicator.com/lite-upgrade/?utm_medium=admin-menu&utm_content=Upgrade+to+Pro&utm_source=WordPress&utm_campaign=liteplugin');
}

add_action('admin_menu', 'plt_hide_duplicator_menus', 11);

Where do I put this code?

How to Hide the "Duplicator" Dashboard Widget

function plt_hide_duplicator_dashboard_widgets() {
	$screen = get_current_screen();
	if ( !$screen ) {
		return;
	}

	//Remove the "Duplicator" widget.
	remove_meta_box('duplicator_dashboard_widget', 'dashboard', 'normal');
}

add_action('wp_dashboard_setup', 'plt_hide_duplicator_dashboard_widgets', 20);