diff --git a/crates/proto/src/serialize/txt/zone.rs b/crates/proto/src/serialize/txt/zone.rs
index 58393d20..1c5dcdf6 100644
--- a/crates/proto/src/serialize/txt/zone.rs
+++ b/crates/proto/src/serialize/txt/zone.rs
@@ -179,7 +179,7 @@ impl<'a> Parser<'a> {
 
                             // @ is a placeholder for specifying the current origin
                             Token::At => {
-                                current_name = origin.clone(); // TODO a COW or RC would reduce copies...
+                                current_name.clone_from(&origin); // TODO a COW or RC would reduce copies...
                                 State::TtlClassType
                             }
 
diff --git a/crates/resolver/src/name_server/name_server_pool.rs b/crates/resolver/src/name_server/name_server_pool.rs
index 10f68fac..b8b4c5c9 100644
--- a/crates/resolver/src/name_server/name_server_pool.rs
+++ b/crates/resolver/src/name_server/name_server_pool.rs
@@ -79,7 +79,7 @@ where
                 #[cfg(feature = "dns-over-rustls")]
                 let ns_config = {
                     let mut ns_config = ns_config.clone();
-                    ns_config.tls_config = config.client_config().clone();
+                    ns_config.tls_config.clone_from(config.client_config());
                     ns_config
                 };
                 #[cfg(not(feature = "dns-over-rustls"))]
@@ -97,7 +97,7 @@ where
                 #[cfg(feature = "dns-over-rustls")]
                 let ns_config = {
                     let mut ns_config = ns_config.clone();
-                    ns_config.tls_config = config.client_config().clone();
+                    ns_config.tls_config.clone_from(config.client_config());
                     ns_config
                 };
                 #[cfg(not(feature = "dns-over-rustls"))]