If you prefer to do this on a desktop, you can also manage your Alexa history by going to Amazon’s dedicated Alexa Privacy page. Here, you can follow the same steps as above to view, listen, and clear your Alexa voice prompts as needed.
To wipe out your entire Alexa history, you can also access Amazon’s Manage Your Content and Devices and select your Android device. Here, you can click Manage voice recordings to erase everything with one click.
Read More.. Source The Verge