diff --git a/crates/protos/src/artifact_inventory.rs b/crates/protos/src/artifact_inventory.rs
index c56877e01..015e2b04d 100644
--- a/crates/protos/src/artifact_inventory.rs
+++ b/crates/protos/src/artifact_inventory.rs
@@ -236,9 +236,7 @@ mod tests {
         };
         let frame = ArtifactInventoryFrame {
             sequence: 0,
-            payload: Some(Payload::Entries(ArtifactInventoryEntries {
-                versions: vec![entry.clone()],
-            })),
+            payload: Some(Payload::Entries(ArtifactInventoryEntries { versions: vec![entry] })),
             response_proof: vec![1; 32].into(),
         };
         let canonical = canonical_frame(&baseline, &frame).expect("baseline frame");
diff --git a/crates/protos/src/lib.rs b/crates/protos/src/lib.rs
index 4d4ce1a32..55fea9b9d 100644
--- a/crates/protos/src/lib.rs
+++ b/crates/protos/src/lib.rs
@@ -1927,7 +1927,7 @@ mod disk_mutation_canonical_tests {
         );
         let signed = SealArtifactAttemptPutsResponse {
             response_proof: vec![9; 32].into(),
-            ..baseline.clone()
+            ..baseline
         };
         assert_eq!(
             canonical_seal_artifact_attempt_puts_response_body(&request, &signed).expect("proof exclusion"),
@@ -2063,7 +2063,7 @@ mod disk_mutation_canonical_tests {
         );
         let signed = SealArtifactAttemptPutsResponse {
             response_proof: vec![9; 32].into(),
-            ..baseline.clone()
+            ..baseline
         };
         assert_eq!(
             canonical_seal_artifact_attempt_repairs_response_body(&request, &signed).expect("proof exclusion"),
diff --git a/rustfs/src/admin/handlers/plugin_delegation.rs b/rustfs/src/admin/handlers/plugin_delegation.rs
index fbc250d80..090777a46 100644
--- a/rustfs/src/admin/handlers/plugin_delegation.rs
+++ b/rustfs/src/admin/handlers/plugin_delegation.rs
@@ -611,9 +611,7 @@ mod tests {
         .expect("valid replay request");
         assert!(valid_replay_run_input(&input));
         for raw in [
-            format!(
-                r#"{{"version":1,"origin_run_id":"00000000-0000-0000-0000-000000000000","idempotency_key":"k","deadline_unix_micros":123}}"#
-            ),
+            r#"{"version":1,"origin_run_id":"00000000-0000-0000-0000-000000000000","idempotency_key":"k","deadline_unix_micros":123}"#.to_string(),
             format!(r#"{{"version":1,"origin_run_id":"{run_id}","idempotency_key":"","deadline_unix_micros":123}}"#),
             format!(r#"{{"version":1,"origin_run_id":"{run_id}","idempotency_key":"k","deadline_unix_micros":0}}"#),
             format!(
diff --git a/rustfs/src/storage/rpc/node_service/disk.rs b/rustfs/src/storage/rpc/node_service/disk.rs
index 35b253ec3..3fc72b79c 100644
--- a/rustfs/src/storage/rpc/node_service/disk.rs
+++ b/rustfs/src/storage/rpc/node_service/disk.rs
@@ -4828,8 +4828,7 @@ mod legacy_artifact_tests {
             captured
                 .begin_legacy_local_path_delete(&disk_ref, "path-instance", LegacyPathDeleteOperation::Delete, None)
                 .await
-                .err()
-                .expect("captured bootstrap cannot upgrade"),
+                .expect_err("captured bootstrap cannot upgrade"),
             DiskError::FileAccessDenied
         );
     }
@@ -5790,8 +5789,7 @@ mod legacy_artifact_tests {
                 captured
                     .begin_legacy_local_part_mutation(&disk_ref, source, fixture.destination(), stage.operation())
                     .await
-                    .err()
-                    .expect("captured bootstrap cannot upgrade"),
+                    .expect_err("captured bootstrap cannot upgrade"),
                 DiskError::FileAccessDenied
             );
             let admitted = ready
@@ -6335,8 +6333,7 @@ mod legacy_artifact_tests {
             captured
                 .begin_legacy_local_rename_file(&disk_ref, source, destination, true)
                 .await
-                .err()
-                .expect("captured bootstrap cannot upgrade"),
+                .expect_err("captured bootstrap cannot upgrade"),
             DiskError::FileAccessDenied
         );
         let admitted = ready
@@ -6876,7 +6873,7 @@ mod legacy_artifact_tests {
         else {
             panic!("typed inspection reply");
         };
-        assert_eq!(serde_json::to_value(&state.state).expect("serialized recovery state"), "NewPrepared");
+        assert_eq!(serde_json::to_value(state.state).expect("serialized recovery state"), "NewPrepared");
         assert_eq!(state.current_digest, state.journal.as_ref().expect("durable journal").target_digest);
         assert!(!physical.join("xl.meta").exists(), "real selected version was removed");
         assert_ne!(path_delete_snapshot(physical), *before, "forward operation must change physical state");
@@ -6895,7 +6892,7 @@ mod legacy_artifact_tests {
         else {
             panic!("typed rollback reply");
         };
-        assert_eq!(serde_json::to_value(&restored.state).expect("serialized recovery state"), "Absent");
+        assert_eq!(serde_json::to_value(restored.state).expect("serialized recovery state"), "Absent");
         assert_eq!(
             path_delete_snapshot(physical),
             *before,
diff --git a/rustfs/src/storage/rpc/node_service/inventory_tests.rs b/rustfs/src/storage/rpc/node_service/inventory_tests.rs
index 6d1da1ea6..c00c7ae3b 100644
--- a/rustfs/src/storage/rpc/node_service/inventory_tests.rs
+++ b/rustfs/src/storage/rpc/node_service/inventory_tests.rs
@@ -256,8 +256,7 @@ async fn artifact_inventory_remote_stream_requires_signed_completion() {
         let error = client
             .inventory_artifact_attempt(request)
             .await
-            .err()
-            .expect("body-unbound or tampered request rejected over real HMAC transport");
+            .expect_err("body-unbound or tampered request rejected over real HMAC transport");
         assert_eq!(error.code(), tonic::Code::PermissionDenied);
     }
     let (result, frames) = scan(&fixture, ArtifactInventoryPhase::ArtifactInventoryScan, Duration::from_secs(30)).await;