Tips on Customizing eKMap Store Locator

How to Hide eKMap StoreMap Admin Menus

function plt_hide_ekmap_store_locator_menus() {
	//Hide "eKMap Store Locator".
	remove_menu_page('ekmap-storelocator');
	//Hide "eKMap Store Locator → Danh sách bản đồ".
	remove_submenu_page('ekmap-storelocator', 'ekmap-storelocator');
	//Hide "eKMap Store Locator → Thêm".
	remove_submenu_page('ekmap-storelocator', 'add-ekmap-storelocator');
	//Hide "eKMap Store Locator → Api Key".
	remove_submenu_page('ekmap-storelocator', 'ekmap-storelocator-api-key');
	//Hide "eKMap Store Locator → Sửa".
	remove_submenu_page('ekmap-storelocator', 'edit-ekmap-storelocator');
}

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

Where do I put this code?

How to Hide eKMap StoreMap Meta Boxes

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

	//Hide the "Infomation" meta box.
	remove_meta_box('ekmap_data_metabox', $screen->id, 'advanced');
	//Hide the "Infomation" meta box.
	remove_meta_box('ekmap_marker_data_metabox', $screen->id, 'advanced');
}

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