diff --git a/clients/rust/src/lib.rs b/clients/rust/src/lib.rs
index 608481c9..3a050392 100644
--- a/clients/rust/src/lib.rs
+++ b/clients/rust/src/lib.rs
@@ -26,5 +26,3 @@ pub const MAX_EDITION_MARKER_SIZE: usize = 32;
 
 /// Number of bits used by a edition marker.
 pub const EDITION_MARKER_BIT_SIZE: u64 = 248;
-
-impl Copy for types::Key {}
diff --git a/clients/rust/src/traits.rs b/clients/rust/src/traits.rs
index d0344ddb..10c63137 100644
--- a/clients/rust/src/traits.rs
+++ b/clients/rust/src/traits.rs
@@ -296,3 +296,7 @@ impl UpdateArgs {
         }
     }
 }
+
+// Key
+
+impl Copy for Key {}