| Method | DELETE /_config/section/key | |
| Request | None | |
| Response | Previous value | |
| Admin Privileges Required | no | |
| Query Arguments | Argument | rev | 
| Description | Current revision of the document for validation | |
| Optional | yes | |
| Type | string | |
| HTTP Headers | Header | If-Match | 
| Description | Current revision of the document for validation | |
| Optional | yes | |
| Return Codes | ||
| 409 | Supplied revision is incorrect or missing | |
Deletes a configuration value. The returned JSON will be the value of the configuration parameter before it was deleted. For example, to delete the UUID parameter:
DELETE http://couchdb:5984/_config/uuids/algorithm Content-Type: application/json
The returned value is the last configured UUID function:
"random"