Disable updates for a specific WordPress plugin Blog

add_filter('site_transient_update_plugins', 'post_schedule_remove_update_nag');
// Disable updates for this plugin
function post_schedule_remove_update_nag($value) {
if(isset($value->response[ plugin_basename(__FILE__) ])) { unset($value->response[ plugin_basename(__FILE__) ]); }
return $value;
}

Use it whisely 🙂

Source: http://dd32.id.au/2011/03/01/disable-plugin-update-notification-for-a-specific-plugin-in-wordpress-3-1/