Magento – Search or Quick Search in the header removed / delete

Who, for example, only one product on the page, may have no real use for a search. These can be removed with a code change from the header. Header.phtml this the file is in the folder / app / design / frontend /[base or default]/IhrTemplate / template / page / html open and there ca. in line 38 the range <?php echo $this->getChildHtml(‘topSearch’) ?>   deleted or…