You can stop watching a task (remove yourself from the watchers list) within the "Activities Tab".
Stop Watching a Task
- Click on “Activities” to open your activity box.
- Click and select the particular task you want to stop watching (it’s detail window will show-up at the bottom of the activities box).
- Within the Task Tools bar, click on the “Stop Watching” button.
Note: Once, you stop watching a task, it will be removed from your Activities box.