How to unpublish product variants and options
While you can't delete product variants or options, you can unpublish them and completely remove them from your public catalog.
To get started head to your Products page and search for the product you would like to edit the variants for. You can use Search & Filter to narrow your search:
Note that you can use multiple filters to refine your search:
Once you find the product you would like to edit click on its name:
This will open up the product editor page:
Click on the Options tab. On the options page you can click on Unpublish next to the product variant or option you would like to unpublish:
If you ever want to bring the variant back just click Publish: