Good Morning @Imtheoner!
Thank you for reaching out to us in regards to your account usage. It’s definitely understandable you would like as much control as possible over your account records.
Depending on where you are viewing your text message, you can always delete your message when you no longer need or want it. Whether you are using our AT&T Messages feature, or deleting from your device, the deletion can be done at your desire.
For additional details on the AT&T Messages service, please click here. If you have any additional questions or concerns, please click here.
Have a wonderful rest of your day!
Shenoah, AT&T Community Specialist