wp-includes/nav-menu.php:115Unregisters a navigation menu location for a theme.
$locationstringboolfunction unregister_nav_menu( $location ) { global $_wp_registered_nav_menus; if ( is_array( $_wp_registered_nav_menus ) && isset( $_wp_registered_nav_menus[ $location ] ) ) { unset( $_wp_registered_nav_menus[ $location ] ); if ( empty( $_wp_registered_nav_menus ) ) { _remove_theme_support( 'menus' ); } return true; } return false;}Introduced in 3.1.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/nav-menu.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.