Amazon now lets you tell Alexa to delete your voice recordings
You’ll now be able to say, “Alexa, delete everything I said today.”
Amazon stores recordings of every request you’ve made to an Alexa device (theoretically, to help improve the voice recognition service and other features). Despite this being largely unnecessary, Amazon doesn’t provide a way to disable the long-term storage of voice recordings or have them deleted on a regular basis.
Full article: Amazon now lets you tell Alexa to delete your voice recordings – The Verge