When decommissioning a device and removing it out of production, it is best practice to

“When decommissioning an Axis device, always perform a factory restore to securely remove all configuration, user data, and stored information from the device.”

— Axis Decommissioning Guide

“A factory restore erases all user data and settings, returning the device to its original state, which is necessary before removing the device from service.”

— Axis Communications Academy, Network Video Fundamentals, 2022