wcml_load_multi_currency_in_ajax

/**
 * Add this code to the functions.php file of your theme.
 */
add_filter( 'wcml_load_multi_currency_in_ajax', 'do_not_load_multi_currency_in_ajax', 10, 1 );

function do_not_load_multi_currency_in_ajax( $load ) {

    if ( is_checkout() ) { 
        $load = false; // If this is the checkout page, do not load multi-currency filters in AJAX actions
    }

    return $load;

}