How to remove Zopim widget?

I’m trying to get rid of an Zopim widget on my website. I discontinued an account with them, but a widget is still on my website. Couldn’t find any zopim code in my theme liquid, no snippet. Two Shopify gurus couldn’t do it ether.
Any suggestions??
Thank you!

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This might be helpful:

http://forum.webflow.com/t/deactivation-of-zopim-live-chat/9150