Recaptcha联系表格7和Mailchimp表格在一页WP

Hi I have 2 forms on one page. Contact form 7 and a Mailchimp form

Mailchimp form recaptcha does not work because I think it is appearing twice:

Contact Form 7

<script type="text/javascript" async src="https://www.gstatic.com/recaptcha/api2/r20170213115309/recaptcha__en.js"></script>

Mailchimp form

<script type="text/javascript" async src="https://www.gstatic.com/recaptcha/api2/r20170213115309/recaptcha__en.js"></script>

Errors in console:

Uncaught Error: ReCAPTCHA placeholder element must be empty

On pages without contact form 7 the Mailchimp recaptcha works fine.

Any ideas? do I have to deregister the contact form 7 script in functions file? Or can I do with jquery?

I managed a hack workaround.

By loading recaptcha on all pages except the contact form page so contact form 7 and mailchimp share same script and not load twice. I added this to the head.php in WP

if( !is_page( array( 'contact-australia',))){ ?>
    <script src="https://www.google.com/recaptcha/api.js" async ></script>
<?php } ?>

you can try to use Contact Form 7 MailChimp Extension https://uk.wordpress.org/plugins/contact-form-7-mailchimp-extension/