# Delete a lifecycle policy

**DELETE /_ilm/policy/{policy}**

You cannot delete policies that are currently in use. If the policy is being used to manage any indices, the request fails and returns an error.

## Required authorization

* Cluster privileges: `manage_ilm`



## Servers
- http://api.example.com: http://api.example.com ()


## Authentication methods
- Api key auth
- Basic auth
- Bearer auth


## Parameters

### Path parameters
- **policy** (string)
  Identifier for the policy.

### Query parameters
- **master_timeout** (string)
  Period to wait for a connection to the master node. If no response is received before the timeout expires, the request fails and returns an error.
- **timeout** (string)
  Period to wait for a response. If no response is received before the timeout expires, the request fails and returns an error.


## Responses
### 200


#### Body: application/json (object)
- **acknowledged** (boolean)
  For a successful response, this value is always true. On failure, an exception is returned instead.


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