You can remove a passkey or security key that is no longer needed. After it is removed, it can no longer be used to sign in to the Alibaba Cloud console. You can re-register the device at any time.
Procedure
Log on to the Alibaba Cloud Management Console as a RAM user.
Hover over the profile picture in the upper-right corner and click Security Information.
In the Passkey section of the Security page, find the passkey that you want to remove and click Delete in the Operation column.
In the Delete the passkey dialog box, click OK.