1. to officially cancel or withdraw previously established guidelines, rules, or instructions
The company decided to revoke guidelines that were outdated.
A empresa decidiu revogar as diretrizes que estavam desatualizadas.
2. to nullify or annul formal directions or standards that were in effect
The government will revoke guidelines for air travel restrictions.
O governo vai revogar as diretrizes para restrições de viagens aéreas.