public class DestroyMesh : MonoBehaviour { [ContextMenu("StartDestroyMesh")] public void StartDestroyMesh() { MeshCollider[] mr = this.transform.GetComponentsInChildren<MeshCollider>(); for (int i = 0; i < mr.Length; i++) { DestroyImmediate(mr[i]); } } private void Start() { StartDestroyMesh(); } }