diff --git a/rpc/src/v1/types/hash.rs b/rpc/src/v1/types/hash.rs
index 9a51b063061..bc80876103f 100644
--- a/rpc/src/v1/types/hash.rs
+++ b/rpc/src/v1/types/hash.rs
@@ -25,6 +25,7 @@ use ethereum_types::{H64 as Eth64, H160 as Eth160, H256 as Eth256, H520 as Eth52
 macro_rules! impl_hash {
 	($name: ident, $other: ident, $size: expr) => {
 		/// Hash serialization
+		#[derive(Copy, Clone)]
 		pub struct $name(pub [u8; $size]);
 
 		impl Eq for $name { }
@@ -99,14 +100,6 @@ macro_rules! impl_hash {
 			}
 		}
 
-		impl Clone for $name {
-			fn clone(&self) -> Self {
-				let mut r = [0; $size];
-				r.copy_from_slice(&self.0);
-				$name(r)
-			}
-		}
-
 		impl serde::Serialize for $name {
 			fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
 			where S: serde::Serializer {