Tips on Customizing WP Client Reports

How to Hide WP Client Reports Admin Menus

function plt_hide_wp_client_reports_menus() {
	//Hide the "Dashboard → Reports" menu.
	remove_submenu_page('index.php', 'wp_client_reports');
	//Hide the "Settings → WP Client Reports" menu.
	remove_submenu_page('options-general.php', 'wp_client_reports');
}

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

Where do I put this code?

How to Hide the "Updates Run - Last 30 Days" Dashboard Widget

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

	//Remove the "Updates Run - Last 30 Days" widget.
	remove_meta_box('wp_client_reports_last30_widget', 'dashboard', 'normal');
}

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