function plt_hide_sheet_wise_menus() {
//Hide the "Sheet Wise" menu.
remove_menu_page('sheet-wise');
//Hide the "Sheet Wise → Sheet Wise" menu.
remove_submenu_page('sheet-wise', 'sheet-wise');
//Hide the "Sheet Wise → Settings" menu.
remove_submenu_page('sheet-wise', 'sheet-wise-settings');
}
add_action('admin_menu', 'plt_hide_sheet_wise_menus', 11);