---
title: "DELETE /2015-03-31/functions/{FunctionName}"
method: DELETE
path: "/2015-03-31/functions/{FunctionName}"
---

# DELETE /2015-03-31/functions/{FunctionName}

`DELETE /2015-03-31/functions/{FunctionName}`

Deletes a Lambda function. To delete a specific function version, use the `Qualifier` parameter. Otherwise, all versions and aliases are deleted.

To delete Lambda event source mappings that invoke a function, use DeleteEventSourceMapping. For Amazon Web Services and resources that invoke your function directly, delete the trigger in the service where you originally configured it.

## Path parameters

- `FunctionName` string, required

## Query parameters

- `Qualifier` string

## Response `204`

Success

## Other responses

- `480` — ServiceException
- `481` — ResourceNotFoundException
- `482` — TooManyRequestsException
- `483` — InvalidParameterValueException
- `484` — ResourceConflictException

---

[API](https://skmtc.net/aws/apis/lambda.md) · [All operations](https://skmtc.net/aws/apis/lambda/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/aws/lambda/versions/2d9fde023ce9/schema)