Hello,
To edit or remove the default size guide chart, please follow these steps carefully:
Navigate to Theme Settings Shop > Scroll down and make sure the Size Guides option is enabled.
Navigate to Dashboard > Products > Size Guides > Edit the existing size guide or create a new one > You can modify the chart content or delete all chart columns/rows.
Assign the Size Guide to a Product or Category or open the product where you want the size guide to appear. In the Product Right side, locate the Size Guide dropdown. Choose the appropriate size guide, or leave it blank if you want it hidden.
Also ensure the option to hide the chart and use only the custom content is selected if you want to remove the table entirely.
If the size guide still shows the default chart, double-check that the size guide assigned to the product is the one you’ve edited. Also clear your site cache and browser cache to see the updated content.
Please follow this guide: https://xtemos.com/docs-topic/size-guides/
Best Regards,