Tips on Customizing WP Event Manager – Events Calendar, Registrations, Sell Tickets with WooCommerce

How to Hide WP Event Manager Admin Menus

function plt_hide_wp_event_manager_menus() {
	//Hide "Event Manager".
	remove_menu_page('edit.php?post_type=event_listing');
	//Hide "Event Manager → All Events".
	remove_submenu_page('edit.php?post_type=event_listing', 'edit.php?post_type=event_listing');
	//Hide "Event Manager → Add Event".
	remove_submenu_page('edit.php?post_type=event_listing', 'post-new.php?post_type=event_listing');
	//Hide "Event Manager → Event Categories".
	remove_submenu_page('edit.php?post_type=event_listing', 'edit-tags.php?taxonomy=event_listing_category&post_type=event_listing');
	//Hide "Event Manager → Event Types".
	remove_submenu_page('edit.php?post_type=event_listing', 'edit-tags.php?taxonomy=event_listing_type&post_type=event_listing');
	//Hide "Event Manager → Organizers".
	remove_submenu_page('edit.php?post_type=event_listing', 'edit.php?post_type=event_organizer');
	//Hide "Event Manager → Venues".
	remove_submenu_page('edit.php?post_type=event_listing', 'edit.php?post_type=event_venue');
	//Hide "Event Manager → Field Editor".
	remove_submenu_page('edit.php?post_type=event_listing', 'event-manager-form-editor');
	//Hide "Event Manager → Settings".
	remove_submenu_page('edit.php?post_type=event_listing', 'event-manager-settings');
	//Hide "Event Manager → Shortcodes".
	remove_submenu_page('edit.php?post_type=event_listing', 'event-manager-shortcodes');
	//Hide "Event Manager → Add-ons".
	remove_submenu_page('edit.php?post_type=event_listing', 'event-manager-addons');
}

add_action('admin_menu', 'plt_hide_wp_event_manager_menus', 13);

Where do I put this code?

How to Hide WP Event Manager Meta Boxes

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

	//Hide the "Event Data" meta box.
	remove_meta_box('event_manager_data', $screen->id, 'normal');
	//Hide the "Event Types" meta box.
	remove_meta_box('event_listing_type', $screen->id, 'side');
	//Hide the "Event Categories" meta box.
	remove_meta_box('event_listing_category', $screen->id, 'side');
	//Hide the "Organizer Data" meta box.
	remove_meta_box('event_organizer_data', $screen->id, 'normal');
	//Hide the "Venue Data" meta box.
	remove_meta_box('event_venue_data', $screen->id, 'normal');
}

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