Disable Magento 1.9 Footer Links blocks

# cat /www/magento1.9.1/app/design/frontend/mytheme/default/layout/local.xml

<?xml version="1.0"?>
<layout version="0.1.0">
    <default>
        <remove name="footer_links"/>
        <remove name="footer_links2"/>
 <remove name="footer_links3"/>
 <remove name="footer_links4"/>
    </default>
</layout>