How To Remove the Akismet Widget

It might be coming handy to you if you would like to unclutter the widgets interface of your wordpress blog: here is how to remove the Akismet Widget (that displays the number of spam blocked – hardly something you want your visitors to see).

Add this to your functions.php file:

function unregister_widgets(){
unregister_widget( 'Akismet_Widget' );
}
add_action( 'widgets_init', 'unregister_widgets' );

Here is a list of all sorts of widgets that you might want to remove (add them to the hereabove function):

unregister_widget( 'WP_Widget_Pages' );
unregister_widget( 'WP_Widget_Calendar' );
unregister_widget( 'WP_Widget_Archives' );
unregister_widget( 'WP_Widget_Links' );
unregister_widget( 'WP_Widget_Categories' );
unregister_widget( 'WP_Widget_Recent_Posts' );
unregister_widget( 'WP_Widget_Search' );
unregister_widget( 'WP_Widget_Tag_Cloud' );
unregister_widget( 'WP_Widget_Meta' );
unregister_widget( 'WP_Widget_Recent_Comments' );
unregister_widget( 'WP_Nav_Menu_Widget' );
unregister_widget( 'WP_Widget_RSS' );
			unregister_widget( 'WP_Widget_Akismet' );
			unregister_widget( 'Akismet_Widget' );

http://wordpress.org/extend/plugins/akismet/