To delete a parser template, send this API request to your Zephyr server:
DELETE http://{your-zephyr}/flex/services/rest/latest/parsertemplate/{template-id}
Here --
your-zephyr is an IP address or host name of your Zephyr instance.
template-id is the id of the desired template. You get this id when you created a template.
Note: You are not allowed to delete pre-configured templates.