Thank you for your votes and comments on this feature. The team is in the process of finalizing designs for deleting private chat threads. I will update as we have more progress to share.
An error occurred while saving the commentSteven commented
Since Teams is being selling as the new "future" for UC, why this basic feature is not available since the beginning? This is ridiculous. A LOT of bugs to fix.. Nothing to surprise. This is MSFT
Removing the Conversation Tab is being reviewed by the feature team.
For deleting chat messages, please following progress here: https://microsoftteams.uservoice.com/forums/555103/suggestions/33535006.