Using qmgr to remove a queue attribute

To clear the queue attribute in qmgr, you should use the command "unset". For example, you wish to clear acl_users attribute

# qmgr -c "unset queue default_queue acl_users"

where -c = execute single command and exit qmgr.

You will notice that the attribute has been removed by verifying with this command

# qmgr -c "p s"