How to Hide Embed OSM Admin Menus and Meta Boxes - PluginTests.com

How to Hide the "Embed OSM" Admin Menu

function plt_hide_embed_osm_menus() {
	//Hide the "Settings → Embed OSM" menu.
	remove_submenu_page('options-general.php', 'embed_osm');
}

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

Where do I put this code?

How to Hide the "Embed OSM shortcode" Meta Box

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

	//Hide the "Embed OSM shortcode" meta box.
	remove_meta_box('embed_osm', $screen->id, 'advanced');
}

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