<!--
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    "DriverKit: 21.0 -"
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  "framework" : "AudioDriverKit",
  "identifier" : "/documentation/AudioDriverKit/IOUserAudioClockDevice/RemoveControl",
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  "title" : "RemoveControl"
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# RemoveControl

Removes a control from the clock device.

```
kern_return_t RemoveControl(IOUserAudioControl *in_control);
```

## Parameters

`in_control`

The [`IOUserAudioControl`](/documentation/AudioDriverKit/IOUserAudioControl) to remove from the clock device.

## Return Value

<doc://com.apple.documentation/documentation/DriverKit/kIOReturnSuccess> on success, or another value if an error occurs. For a list of error codes, see <doc://com.apple.documentation/documentation/DriverKit/error-codes>.

## Discussion

If removing the control succeeds, the control’s reference count decrements by one.

---

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