Stop Location-Based Automated Verifications in Salesforce Authenticator (Version 2 or Later) | Salesforce
You can remove a location from your list of trusted locations to turn off automated verification from there.
|Available in: Both Salesforce Classic and Lightning Experience|
|Two-factor authentication with Salesforce Authenticator available in: Group, Professional, Enterprise, Performance, Unlimited, Developer, and Contact Manager Editions|
Open the Salesforce Authenticator app on your mobile device.
In your Connected Accounts list, tap your username to go to the account detail page.
In Trusted Locations, tap View All.
Swipe left on the location you want to stop trusting.
Tap Delete or Stop Trusting, whichever appears.
The app asks you to confirm that you want to turn off automated verifications from this location.
Tap Stop Trusting.