You might know that by default GMAIL saves your chat history you do by using Gtalk or GMAIL, So when you are chatting with your friends it will be saved under CHAT section in GMAIL of both.
You might don’t want to save that history due to any reason, So here is the solution :-
- Loin to your GMAIL account,
- Now click on Setting on the top-left corner and then click on Chat tab,
- Now tick option saying Never Save Chat Gmail and then hit SAVE,