Systems and methods are provided for deleting messages. The systems and methods include operations for: establishing, by a computing device, a communication session between a plurality of users, the communication session being associated with a first feature of a plurality of features of a messaging application; automatically deleting a first set of messages exchanged in the communication session based on a default deletion policy of the first feature; changing the default deletion policy of the first feature to a second deletion policy; and automatically deleting a second set of messages exchanged in the communication session based on the second deletion policy instead of the default deletion policy.