> ## Documentation Index
> Fetch the complete documentation index at: https://docs-old.tilebox.com/llms.txt
> Use this file to discover all available pages before exploring further.

# WorkflowClient.unpublish_release

```python theme={"system"}
def WorkflowClient.unpublish_release(
    workflow_or_slug: Workflow | str,
    release_or_id: WorkflowRelease | UUID | str,
) -> None
```

Remove a workflow release from the set of published releases.

## Parameters

**workflow\_or\_slug** `Workflow | str` *required*

The workflow or workflow slug containing the release to remove.

**release\_or\_id** `WorkflowRelease | UUID | str` *required*

The workflow release or release ID to remove.

```python Python theme={"system"}
workflow_client.unpublish_release(workflow, release.id)
```


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