Tips on Customizing CP Multi View Event Calendar

How to Hide Calendar Event Multi View Admin Menus

function plt_hide_cp_multi_view_calendar_menus() {
	//Hide "Settings → CP Multi View Calendar".
	remove_submenu_page('options-general.php', 'cp_multiviewsettings');

	//Hide "CP Multi View Calendar".
	remove_menu_page('cp_multiview');
	//Hide "CP Multi View Calendar → Manage Calendars".
	remove_submenu_page('cp_multiview', 'cp_multiview_manage');
	//Hide "CP Multi View Calendar → Publish Wizard".
	remove_submenu_page('cp_multiview', 'cp_multiview_publishwizard');
	//Hide "CP Multi View Calendar → Help: Sample Views".
	remove_submenu_page('cp_multiview', 'cp_multiview_samples');
	//Hide "CP Multi View Calendar → Help: CSS Styles".
	remove_submenu_page('cp_multiview', 'cp_multiview_css');
	//Hide "CP Multi View Calendar → Help: Publishing Views".
	remove_submenu_page('cp_multiview', 'cp_multiview_publishing');
	//Hide "CP Multi View Calendar → Help: Online Demo".
	remove_submenu_page('cp_multiview', 'cp_multiview_demo');
	//Hide "CP Multi View Calendar → Export/Import iCal".
	remove_submenu_page('cp_multiview', 'cp_multiview_ical');
	//Hide "CP Multi View Calendar → Upgrade".
	remove_submenu_page('cp_multiview', 'cp_multiview_upgrade');
}

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

Where do I put this code?

How to Hide the "CP Multi View Calendar" Meta Box

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

	//Hide the "CP Multi View Calendar" meta box.
	remove_meta_box('cp_multiviewbox', $screen->id, 'normal');
}

add_action('add_meta_boxes', 'plt_hide_cp_multi_view_calendar_metaboxes', 20);