Go to Chat Room.
![](https://media.screensteps.com/image_assets/assets/004/914/145/original/9fb5db69-1b21-45d3-9789-5c22f3336dc6.png)
In the target Sakai site, select the Chat Room tool from the Tool Menu.
Select Clear History.
![](https://media.screensteps.com/image_assets/assets/004/914/149/original/6b6bf7c3-4b36-4e86-bce5-3e7f59f9578d.png)
Select Clear History beneath the title of the relevant chat room.
Select Delete.
![](https://media.screensteps.com/image_assets/assets/004/914/151/original/f9d96053-2e38-497f-8f21-c533bcf56c79.png)
Select Delete to confirm the permanent removal of all chat messages from the room.