Como remover um componente de um objeto na unidade
Destroy(GetComponent<TheComponentYouWantToDestroy>());
Pixel Freak
Destroy(GetComponent<TheComponentYouWantToDestroy>());//Use Destroy() for removing components
// Kills the game object
Destroy (gameObject);
// Removes this script instance from the game object
Destroy (this);
// Removes the rigidbody from the game object
Destroy (GetComponent<Rigidbody>());
// Kills the game object in 5 seconds after loading the object
Destroy (gameObject, 5);