---
title: thunder.extend.deregister_executor
canonical: >-
  https://lightning.ai/docs/thunder/stable/api-reference/thunder.extend.deregister_executor
---
# thunder.extend.deregister_executor {#thunder-extend-deregister-executor}

### `thunder.extend.deregister_executor(ex)` {#thunder.extend.deregister_executor}

[\[source\]](https://github.com/Lightning-AI/lightning-thunder/blob/0.2.6/thunder/extend/__init__.py#L612-L619)

Return type:

[`None`](https://docs.python.org/3/builtins/constants.html#None "(in Python v3.15)")

Parameters:

**ex** ([_collections.abc.Hashable_](https://docs.python.org/3/library/collections.abc.html#collections.abc.Hashable "(in Python v3.15)") _|_ [_thunder.extend.Executor_](/docs/thunder/0.2.6/api-reference/thunder.extend.Executor.md#thunder.extend.Executor "thunder.extend.Executor")) –

---

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