After joining a group chat, you can decide whether you want to remain a member or leave it.

To leave a chat:

1. Go to your Chat Page
2. Open the chat you don't want to follow anymore
3. Click the Info icon in the top right corner of the chat's main dashboard. The Chat information sidebar menu will appear on the right
4. Scroll to the bottom of the Chat information window and click Leave chat. The pop-up window with "Do you want to leave this chat?" question will appear.
5. Click Yes, leave.