How to Remove Authenticator?2019-05-10 10:17:50
Remove your authenticator using the Steam Mobile App:
Step 1 - Open the Steam Mobile App and go to the Steam Guard page.
Step 2 - Select "Remove Authenticator".
Step 3 - Confirm that you want to remove the authenticator.
Note: removing the authenticator means any trades or Community Market listings will be held by Steam for up to 15 days.