How can I remove size information from Google Merchant product descriptions?

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Hello,

I hope you're doing well.

I've observed that some of the products listed on my Google store are displaying size variants within the product description, while others are not displaying sizes. The ones not displaying sizes are those with only one size available on my website. However, I would like to remove the size information from all product listings. Could you please advise me on how to go about doing this?

Thank you in advance for your assistance.