Wordpress disable update notifications in admin console

<?php //in active theme open file functions.php and add following code add_filter('pre_site_transient_update_core',create_function('$a', "return null;")); wp_clear_scheduled_hook('wp_version_check'); remove_action( 'load-update-core.php', 'wp_update_plugins' ); add_filter( 'pre_site_transient_update_plugins', create_function( '$a', "return null;" ) );