Before you start:
Delete a broker using the command line on the system where the broker component is installed.
On UNIX systems and Linux,
you must set up your command-line environment before deleting a broker, by
running the product profile; refer to Environment variables after installation.
You can remove the broker from the broker topology using the workbench, but the physical broker will not be deleted until the broker is physically deleted from the command line.
Follow the link for the appropriate platform.