daw/inc/tweaks.php

<?php

remove_action('wp_head', 'index_rel_link' ); 
remove_action('wp_head', 'rel_canonical');
remove_action('wp_head', 'start_post_rel_link', 10, 0 );
remove_action('wp_head', 'adjacent_posts_rel_link_wp_head', 10, 0); 
remove_action('wp_head', 'wp_shortlink_wp_head', 10, 0 );
remove_action('wp_head', 'parent_post_rel_link', 10, 0 );
remove_action('wp_head', 'rsd_link');
remove_action('wp_head', 'wlwmanifest_link');
remove_action('wp_head', 'wp_generator');
remove_action('wp_head', 'feed_links_extra', 3 );
remove_action('wp_head', 'feed_links', 2 );

function dw_remove_wp_ver_css_js( $src ) {
    if ( strpos( $src, 'ver=' ) )
        $src = remove_query_arg( 'ver', $src );
    return $src;
}
add_filter( 'style_loader_src', 'dw_remove_wp_ver_css_js', 9999 );
add_filter( 'script_loader_src', 'dw_remove_wp_ver_css_js', 9999 );


function dw_hide() {
    ?>
    <style type="text/css" media="screen">
    #footer {display:none;}
	#contextual-help-link-wrap {display: none;}
	#wpadminbar {display: none;}
	body.admin-bar #wpcontent, body.admin-bar #adminmenu {padding-top:0;}
	html.wp-toolbar{padding-top:0;}
	#postexcerpt p {display: none;}
    </style>
<?php }
add_action( 'admin_head', 'dw_hide' );

?>