Cannot delete CMS field

[isotope (Gordon Henry)]

https://preview.webflow.com/preview/carnival-info?preview=20e6ffefae0330af96553a3dcc2748ab

I’m trying to remove the following fields from the listings collection:

bedrooms

bathrooms

Square Feet
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I’ve attached a screenshot below that shows the error

I’m assuming it’s the same issue as this post

Can't Delete Field from Collection

I have tried and tried to delete a field from a collection. I get the message: “This field is currently used by either a Dynamic List on the site or inside a Collection page template. To delete this field, you’ll need to remove any references to it first.” I have gone through my website and removed ALL references but it still won’t let me delete it. Any ideas why please? Thanks, Benji Here is my public share link: LINK (how to access public share link)