That’s where 1Password, the password manager, and its Travel Mode feature come into play. Although it can’t remove everything, Travel Mode can erase a lot. When you turn on Travel Mode, your selected vaults aren’t only hidden; 1Password claims they’re entirely removed from your device. A Password Manager Is a Golden GooseThe legality and scope of device searches at the border are complex. Broadly speaking, CBP can’t deny entry to US citizens or green card holders if they don’t comply with a device search.