Remove the ?___store=default from the URL In Magento

How do you remove the ?___store=default from the URL In Magento?

Open Link.php in app/code/core/Mage/Catalog/Block/Widget/Link.php

GOTO Line 91: $this->_href = $this->_href . $symbol .”___store=” . $store->getCode();

And change it to: $this->_href = $this->_href;