/**
 * Remove meta boxes.
 */
function remove_meta_boxes() {
    // Only proceed if user does not have admin role.
    if (!current_user_can('manage_options')) { 
	remove_meta_box( 'submitdiv', 'post', 'normal' ); // Publish meta box
	remove_meta_box( 'commentsdiv', 'post', 'normal' ); // Comments meta box
	remove_meta_box( 'revisionsdiv', 'post', 'normal' ); // Revisions meta box
	remove_meta_box( 'authordiv', 'post', 'normal' ); // Author meta box
	remove_meta_box( 'slugdiv', 'post', 'normal' );	// Slug meta box
	remove_meta_box( 'tagsdiv-post_tag', 'post', 'side' ); // Post tags meta box
	remove_meta_box( 'categorydiv', 'post', 'side' ); // Category meta box
	remove_meta_box( 'postexcerpt', 'post', 'normal' ); // Excerpt meta box
	remove_meta_box( 'formatdiv', 'post', 'normal' ); // Post format meta box
	remove_meta_box( 'trackbacksdiv', 'post', 'normal' ); // Trackbacks meta box
	remove_meta_box( 'postcustom', 'post', 'normal' ); // Custom fields meta box
	remove_meta_box( 'commentstatusdiv', 'post', 'normal' ); // Comment status meta box
	remove_meta_box( 'postimagediv', 'post', 'side' ); // Featured image meta box	
	remove_meta_box( 'pageparentdiv', 'page', 'side' ); // Page attributes meta box
    }
}
add_action( 'add_meta_boxes', 'remove_meta_boxes' );

Remove meta boxes from the Wordpress admin area. Useful for simplifying Wordpress' admin interface for your clients. Add this snippet to your Wordpress theme's functions.php file.

Wordpress: Hide Admin Meta Boxes

wordpress

PHP