The Recovery partition is a separate partition on your computer's hard drive or SSD and is used to restore or reinstall the ...

On Windows 10, to delete a partition, you can use Disk Management, PowerShell, or Command Prompt, and in this guide, we’ll show you how.

If the Delete Volume option is greyed out for USB Flash drive on Windows 11/10, use the methods in this post to delete the partition.

If you must remove it to recover the usable space, I would suggest grabbing an image of the recovery partition and storing it. Then, should you need it, you can get it back again.