# UnregisterTransformChange(Transform, ITransformChangedCallback)

> Unregister a transform watched to stop calling the specified callback when a transform changes. See PhysicsEvents.TransformChangeEvent for the types of transform changes that are watched for.

## Definition

* **Type:** Method
* **Namespace:** [Unity.U2D.Physics](/engine/6000.6/script-reference/unity/u2d/physics.md)
* **Assembly:** UnityEngine.PhysicsCore2DModule

```csharp
public static void UnregisterTransformChange(Transform transform, PhysicsCallbacks.ITransformChangedCallback callback)
```

### Parameters

**** (\[Transform]\(/engine/6000.6/script-reference/unityengine/transform)): The transform to stop watching changes on.**** (\[ITransformChangedCallback]\(/engine/6000.6/script-reference/unity/u2d/physics/physicscallbacks/itransformchangedcallback)): The callback to stop being called when a transform change is detected.