WP: Remove metaboxes from posts and pages editor.

Remove admin metaboxes

<?php 
/* Remove metaboxes for POSTS - uncomment to activate
*/
function remove_my_post_metaboxes() {
// under the editor
  //remove_meta_box( 'authordiv','post','normal' ); // Author Metabox
  //remove_meta_box( 'commentstatusdiv','post','normal' ); // Comments Status Metabox
  //remove_meta_box( 'commentsdiv','post','normal' ); // Comments Metabox
  remove_meta_box( 'postcustom','post','normal' ); // Custom Fields Metabox
  //remove_meta_box( 'postexcerpt','post','normal' ); // Excerpt Metabox
  remove_meta_box( 'revisionsdiv','post','normal' ); // Revisions Metabox
  //remove_meta_box( 'slugdiv','post','normal' ); // Slug Metabox
  remove_meta_box( 'trackbacksdiv','post','normal' ); // Trackback Metabox
// sidebar
  //remove_meta_box( 'categorydiv','post','normal' ); // Categories Metabox
  //remove_meta_box( 'formatdiv','post','normal' ); // Formats Metabox
  //remove_meta_box( 'postimagediv','post','normal' ); // Featured Image Metabox
  //remove_meta_box( 'submitdiv','post','normal' ); // Submit Metabox (?)
  //remove_meta_box( 'tagsdiv-post_tag','post','normal' ); // Tags Metabox
}
//add_action('admin_menu','remove_my_post_metaboxes'); // uncomment to activate

/* Remove metaboxes from PAGES - uncomment to activate
*/
function remove_my_page_metaboxes() {
	remove_meta_box( 'postcustom','page','normal' ); // Custom Fields Metabox
	//remove_meta_box( 'postexcerpt','page','normal' ); // Excerpt Metabox
	remove_meta_box( 'commentstatusdiv','page','normal' ); // Comments Metabox
	remove_meta_box( 'trackbacksdiv','page','normal' ); // Talkback Metabox
	//remove_meta_box( 'slugdiv','page','normal' ); // Slug Metabox
	//remove_meta_box( 'authordiv','page','normal' ); // Author Metabox
}
add_action('admin_menu','remove_my_page_metaboxes');