Remove custom menu pages for admin users

Question

I've added some custom menù pages to my WordPress dashboard using the add_menu_page() function. I need to remove these pages for super admin roles, but the remove_menu_page() seems not working. This is the code I have in my plugin

    function remove_default_menu_pages()
    {
        if( !current_user_can( 'manage_options' ) ){
            remove_menu_page( 'index.php' );
            remove_menu_page( 'edit.php?post_type=page' );
            remove_menu_page( 'edit.php' );
            remove_menu_page( 'edit-comments.php' );
            remove_menu_page( 'themes.php' );
            remove_menu_page( 'plugins.php' );
            remove_menu_page( 'users.php' );
            remove_menu_page( 'upload.php' );
            remove_menu_page( 'tools.php' );
            remove_menu_page( 'options-general.php' );
            remove_menu_page( 'profile.php' );
            //remove_menu_page( 'admin.php?page=authorizer' );
        } 
        //TOFIX
        remove_menu_page( 'admin.php?page=dashboard' );
        remove_menu_page( 'admin.php?page=messages' );
        remove_menu_page( 'admin.php?page=contacts' );
        remove_menu_page( 'admin.php?page=calendar' );
        remove_menu_page( 'admin.php?page=filemanager' );
        remove_menu_page( 'admin.php?page=learning-center' );
        remove_menu_page( 'admin.php?page=polls' );
    }
    add_action( 'admin_menu', 'remove_default_menu_pages' );

Is there something wrong into the code or I need a separate function?

Answer 1

Try to use the slug of the pages as parameter, e.g. remove_menu_page( 'dashboard' ); instead of remove_menu_page( 'admin.php?page=dashboard' );.