function remove_menus(){

    //Find admin...
    $admin_url = get_admin_url();

    //Find php-files in admin path
    //and create an array of them
    $admin_files = array();
    foreach (glob("*.php") as $file) {
            if($file == '.' || $file == '..') continue;
            $admin_files[] = $file;
    }

    //Remove all menupages for all files in wp-admin folder
    foreach($admin_files as $af) {
        remove_menu_page( $af );
    }

    //Get all registered post types
    // types will be a list of the post type names
    $types = get_post_types();

    //Remove pages for all registered post types as well
    foreach( $types as $type ) {
        remove_menu_page( 'edit.php?post_type=' . $type);
    }

    //Get plugins and remove them from menu
    $plugins = get_plugins();
    foreach($plugins as $p) {
        remove_menu_page( strtolower($p['Name'] ) );
    }

}
add_action( 'admin_init', 'remove_menus' ,99);

//Get plugins
 $plugins = get_plugins();
 foreach($plugins as $p) {
     remove_menu_page( strtolower($p['Name'] ) );
 }

remove_menu_page('wpseo_dashboard');