If you no longer need a monitor and the data associated with the monitor, you can delete the monitor and the data that it collected. You cannot delete the monitor without deleting the data that the monitor collected, so be sure that you do not delete information that you still need.
To delete an SQL performance monitor and the data that is associated with it:
The monitor and the associated data are deleted.
Note: You need job control authority and read authority to the QUSRSYS schema to use the performance monitor.