How to remove WordPress admin bar from front end

In the following process you can  remove WordPress 3.1 admin bar

WordPress 3.1 introduced a new feature: the admin bar. It is very useful, but if you like to remove it. Please follow the instruction.

Paste the following piece of code into your functions.php file, save it to remove admin bar.

wp_deregister_script('admin-bar');
wp_deregister_style('admin-bar');
remove_action('wp_footer','wp_admin_bar_render',1000);