diff --git a/rust/iphone/objc/nick_name.rs b/rust/iphone/objc/nick_name.rs
index b9408f8..e3c8f22 100644
--- a/rust/iphone/objc/nick_name.rs
+++ b/rust/iphone/objc/nick_name.rs
@@ -9,7 +9,6 @@ use objc::{class, msg_send};
 use crate::iphone::util::id;
 
 #[repr(transparent)]
-#[derive(Clone)]
 pub struct NickName(pub Arc<RwLock<id>>);
 
 impl Debug for NickName {