diff --git a/crates/ecstore/src/bucket/lifecycle/tier_sweeper.rs b/crates/ecstore/src/bucket/lifecycle/tier_sweeper.rs
index 6518451ff..ad2241629 100644
--- a/crates/ecstore/src/bucket/lifecycle/tier_sweeper.rs
+++ b/crates/ecstore/src/bucket/lifecycle/tier_sweeper.rs
@@ -15,8 +15,6 @@
 #![allow(unused_variables)]
 #![allow(unused_mut)]
 #![allow(unused_assignments)]
-#![allow(unused_must_use)]
-#![allow(clippy::all)]
 
 use super::runtime_boundary as runtime_sources;
 use crate::bucket::lifecycle::bucket_lifecycle_ops::ExpiryOp;
@@ -72,9 +70,11 @@ static REMOTE_DELETE_BREAKER: LazyLock<Mutex<RemoteDeleteBreaker>> = LazyLock::n
 });
 
 #[cfg(test)]
-static REMOTE_TIER_DELETE_TEST_HOOK: std::sync::LazyLock<
-    std::sync::Mutex<Option<Box<dyn Fn(&str, &str, &str) -> std::io::Result<()> + Send + Sync>>>,
-> = std::sync::LazyLock::new(|| std::sync::Mutex::new(None));
+type RemoteTierDeleteTestHook = Box<dyn Fn(&str, &str, &str) -> std::io::Result<()> + Send + Sync>;
+
+#[cfg(test)]
+static REMOTE_TIER_DELETE_TEST_HOOK: std::sync::LazyLock<std::sync::Mutex<Option<RemoteTierDeleteTestHook>>> =
+    std::sync::LazyLock::new(|| std::sync::Mutex::new(None));
 
 #[derive(Debug)]
 struct RemoteDeleteBreaker {
@@ -107,7 +107,7 @@ impl RemoteDeleteBreaker {
     fn prune(&mut self, now: Instant) {
         while let Some(ts) = self.failures.front().copied() {
             if now.duration_since(ts) > self.window {
-                self.failures.pop_front();
+                let _ = self.failures.pop_front();
             } else {
                 break;
             }
@@ -137,10 +137,10 @@ fn is_signer_header_error(err: &std::io::Error) -> bool {
         return false;
     }
 
-    if let Some(source) = err.get_ref() {
-        if error_chain_contains_signer_header_marker(source) {
-            return true;
-        }
+    if let Some(source) = err.get_ref()
+        && error_chain_contains_signer_header_marker(source)
+    {
+        return true;
     }
 
     let message = err.to_string().to_ascii_lowercase();
@@ -205,7 +205,7 @@ impl ObjSweeper {
 
     #[allow(dead_code, reason = "MinIO-parity surface with no caller in this port (backlog#1823)")]
     pub fn with_version(&mut self, vid: Option<Uuid>) -> &Self {
-        self.version_id = vid.clone();
+        self.version_id = vid;
         self
     }
 
@@ -219,7 +219,7 @@ impl ObjSweeper {
     #[allow(dead_code, reason = "MinIO-parity surface with no caller in this port (backlog#1823)")]
     pub fn get_opts(&self) -> lifecycle::ObjectOpts {
         let mut opts = ObjectOpts {
-            version_id: self.version_id.clone(),
+            version_id: self.version_id,
             versioned: self.versioned,
             version_suspended: self.suspended,
             ..Default::default()
@@ -388,8 +388,8 @@ impl Jentry {
 impl ExpiryOp for Jentry {
     fn op_hash(&self) -> u64 {
         let mut hasher = Sha256::new();
-        hasher.update(format!("{}", self.tier_name).as_bytes());
-        hasher.update(format!("{}", self.obj_name).as_bytes());
+        hasher.update(self.tier_name.as_bytes());
+        hasher.update(self.obj_name.as_bytes());
         xxh64::xxh64(hasher.finalize().as_slice(), XXHASH_SEED)
     }
 
@@ -436,7 +436,7 @@ async fn delete_object_from_remote_tier_raw_with_manager(
     tier_name: &str,
     tier_config_mgr: &Arc<tokio::sync::RwLock<TierConfigMgr>>,
 ) -> Result<(), std::io::Error> {
-    let lease = TierConfigMgr::acquire_operation_lease(&tier_config_mgr, tier_name)
+    let lease = TierConfigMgr::acquire_operation_lease(tier_config_mgr, tier_name)
         .await
         .map_err(std::io::Error::other)?;
     delete_object_from_remote_tier_raw_with_lease(obj_name, rv_id, &lease, false, true).await
diff --git a/crates/ecstore/src/services/tier/tier_admin.rs b/crates/ecstore/src/services/tier/tier_admin.rs
index 32cd844a0..6c3bc1c4a 100644
--- a/crates/ecstore/src/services/tier/tier_admin.rs
+++ b/crates/ecstore/src/services/tier/tier_admin.rs
@@ -15,8 +15,6 @@
 #![allow(unused_variables)]
 #![allow(unused_mut)]
 #![allow(unused_assignments)]
-#![allow(unused_must_use)]
-#![allow(clippy::all)]
 
 use serde::{Deserialize, Deserializer, Serialize, Serializer, de};
 
@@ -145,7 +143,7 @@ mod tests {
 
         assert_eq!(creds.access_key, "access");
         assert_eq!(creds.secret_key, "secret");
-        assert_eq!(creds.creds_json.as_slice(), &service_account[..]);
+        assert_eq!(creds.creds_json.as_slice(), service_account);
 
         let wire = serde_json::to_value(&creds).expect("madmin tier credentials should encode");
         assert_eq!(wire["access"], "access");
@@ -162,7 +160,7 @@ mod tests {
         .expect("the former RustFS field names and byte-array encoding should remain readable");
         assert_eq!(legacy.access_key, "legacy-access");
         assert_eq!(legacy.secret_key, "legacy-secret");
-        assert_eq!(legacy.creds_json.as_slice(), &service_account[..]);
+        assert_eq!(legacy.creds_json.as_slice(), service_account);
     }
 
     #[test]
diff --git a/crates/ecstore/src/services/tier/warm_backend_aliyun.rs b/crates/ecstore/src/services/tier/warm_backend_aliyun.rs
index 27fb7decd..f08c8fe2e 100644
--- a/crates/ecstore/src/services/tier/warm_backend_aliyun.rs
+++ b/crates/ecstore/src/services/tier/warm_backend_aliyun.rs
@@ -15,8 +15,6 @@
 #![allow(unused_variables)]
 #![allow(unused_mut)]
 #![allow(unused_assignments)]
-#![allow(unused_must_use)]
-#![allow(clippy::all)]
 
 use std::collections::HashMap;
 
diff --git a/crates/ecstore/src/services/tier/warm_backend_azure.rs b/crates/ecstore/src/services/tier/warm_backend_azure.rs
index ed9ef0cf8..073501e65 100644
--- a/crates/ecstore/src/services/tier/warm_backend_azure.rs
+++ b/crates/ecstore/src/services/tier/warm_backend_azure.rs
@@ -15,8 +15,6 @@
 #![allow(unused_variables)]
 #![allow(unused_mut)]
 #![allow(unused_assignments)]
-#![allow(unused_must_use)]
-#![allow(clippy::all)]
 
 use std::collections::HashMap;
 
diff --git a/crates/ecstore/src/services/tier/warm_backend_gcs.rs b/crates/ecstore/src/services/tier/warm_backend_gcs.rs
index 03c2df988..1aa6b538c 100644
--- a/crates/ecstore/src/services/tier/warm_backend_gcs.rs
+++ b/crates/ecstore/src/services/tier/warm_backend_gcs.rs
@@ -15,8 +15,6 @@
 #![allow(unused_variables)]
 #![allow(unused_mut)]
 #![allow(unused_assignments)]
-#![allow(unused_must_use)]
-#![allow(clippy::all)]
 
 use std::collections::{HashMap, HashSet};
 use std::future::Future;
@@ -146,11 +144,11 @@ pub struct WarmBackendGCS {
 
 impl WarmBackendGCS {
     pub async fn new(conf: &TierGCS, tier: &str) -> Result<Self, std::io::Error> {
-        if conf.creds == "" {
+        if conf.creds.is_empty() {
             return Err(std::io::Error::other("both access and secret keys are required"));
         }
 
-        if conf.bucket == "" {
+        if conf.bucket.is_empty() {
             return Err(std::io::Error::other("no bucket name was provided"));
         }
 
@@ -195,11 +193,11 @@ impl WarmBackendGCS {
     }
 
     pub fn get_dest(&self, object: &str) -> String {
-        let mut dest_obj = object.to_string();
-        if self.prefix != "" {
-            dest_obj = format!("{}/{}", &self.prefix, object);
+        if self.prefix.is_empty() {
+            object.to_string()
+        } else {
+            format!("{}/{}", self.prefix, object)
         }
-        return dest_obj;
     }
 }
 
@@ -223,7 +221,7 @@ impl WarmBackend for WarmBackendGCS {
         let bucket = gcs_bucket_resource_name(&self.bucket);
         let Ok(res) = Box::pin(
             self.client
-                .write_object(&bucket, &self.get_dest(object), Bytes::from(d))
+                .write_object(&bucket, self.get_dest(object), Bytes::from(d))
                 .send_buffered(),
         )
         .await
@@ -240,7 +238,7 @@ impl WarmBackend for WarmBackendGCS {
 
     async fn get(&self, object: &str, rv: &str, opts: WarmBackendGetOpts) -> Result<ReadCloser, std::io::Error> {
         let bucket = gcs_bucket_resource_name(&self.bucket);
-        let mut req = self.client.read_object(&bucket, &self.get_dest(object));
+        let mut req = self.client.read_object(&bucket, self.get_dest(object));
         let mut max_response_bytes = None;
         if let Some(generation) = parse_generation(rv)? {
             req = req.set_generation(generation);
diff --git a/crates/ecstore/src/services/tier/warm_backend_huaweicloud.rs b/crates/ecstore/src/services/tier/warm_backend_huaweicloud.rs
index 73ced2cef..e626f6c9f 100644
--- a/crates/ecstore/src/services/tier/warm_backend_huaweicloud.rs
+++ b/crates/ecstore/src/services/tier/warm_backend_huaweicloud.rs
@@ -15,8 +15,6 @@
 #![allow(unused_variables)]
 #![allow(unused_mut)]
 #![allow(unused_assignments)]
-#![allow(unused_must_use)]
-#![allow(clippy::all)]
 
 use std::collections::HashMap;
 
diff --git a/crates/ecstore/src/services/tier/warm_backend_minio.rs b/crates/ecstore/src/services/tier/warm_backend_minio.rs
index 020c2e319..6baef149b 100644
--- a/crates/ecstore/src/services/tier/warm_backend_minio.rs
+++ b/crates/ecstore/src/services/tier/warm_backend_minio.rs
@@ -15,8 +15,6 @@
 #![allow(unused_variables)]
 #![allow(unused_mut)]
 #![allow(unused_assignments)]
-#![allow(unused_must_use)]
-#![allow(clippy::all)]
 
 use std::collections::HashMap;
 
diff --git a/crates/ecstore/src/services/tier/warm_backend_r2.rs b/crates/ecstore/src/services/tier/warm_backend_r2.rs
index 071ccefad..79a47d600 100644
--- a/crates/ecstore/src/services/tier/warm_backend_r2.rs
+++ b/crates/ecstore/src/services/tier/warm_backend_r2.rs
@@ -15,8 +15,6 @@
 #![allow(unused_variables)]
 #![allow(unused_mut)]
 #![allow(unused_assignments)]
-#![allow(unused_must_use)]
-#![allow(clippy::all)]
 
 use std::collections::HashMap;
 
diff --git a/crates/ecstore/src/services/tier/warm_backend_rustfs.rs b/crates/ecstore/src/services/tier/warm_backend_rustfs.rs
index 32821c427..0bb19bcdf 100644
--- a/crates/ecstore/src/services/tier/warm_backend_rustfs.rs
+++ b/crates/ecstore/src/services/tier/warm_backend_rustfs.rs
@@ -15,8 +15,6 @@
 #![allow(unused_variables)]
 #![allow(unused_mut)]
 #![allow(unused_assignments)]
-#![allow(unused_must_use)]
-#![allow(clippy::all)]
 
 use std::collections::HashMap;
 
diff --git a/crates/ecstore/src/services/tier/warm_backend_tencent.rs b/crates/ecstore/src/services/tier/warm_backend_tencent.rs
index 20eb7ee81..8045b3332 100644
--- a/crates/ecstore/src/services/tier/warm_backend_tencent.rs
+++ b/crates/ecstore/src/services/tier/warm_backend_tencent.rs
@@ -15,8 +15,6 @@
 #![allow(unused_variables)]
 #![allow(unused_mut)]
 #![allow(unused_assignments)]
-#![allow(unused_must_use)]
-#![allow(clippy::all)]
 
 use std::collections::HashMap;
 
diff --git a/scripts/ecstore-module-lint-register.txt b/scripts/ecstore-module-lint-register.txt
index bf777b0f7..3bf9bd823 100644
--- a/scripts/ecstore-module-lint-register.txt
+++ b/scripts/ecstore-module-lint-register.txt
@@ -20,8 +20,6 @@
 crates/ecstore/src/bucket/lifecycle/tier_last_day_stats.rs|clippy::all
 crates/ecstore/src/bucket/lifecycle/tier_last_day_stats.rs|unused_must_use
 crates/ecstore/src/bucket/lifecycle/tier_last_day_stats.rs|unused_variables
-crates/ecstore/src/bucket/lifecycle/tier_sweeper.rs|clippy::all
-crates/ecstore/src/bucket/lifecycle/tier_sweeper.rs|unused_must_use
 crates/ecstore/src/bucket/lifecycle/tier_sweeper.rs|unused_variables
 crates/s3-client/src/api_error_response.rs|clippy::all
 crates/s3-client/src/api_error_response.rs|unused_must_use
@@ -74,36 +72,18 @@ crates/ecstore/src/services/event_notification.rs|unused_variables
 crates/ecstore/src/services/tier/tier.rs|clippy::all
 crates/ecstore/src/services/tier/tier.rs|unused_must_use
 crates/ecstore/src/services/tier/tier.rs|unused_variables
-crates/ecstore/src/services/tier/tier_admin.rs|clippy::all
-crates/ecstore/src/services/tier/tier_admin.rs|unused_must_use
 crates/ecstore/src/services/tier/tier_admin.rs|unused_variables
 crates/ecstore/src/services/tier/warm_backend.rs|clippy::all
 crates/ecstore/src/services/tier/warm_backend.rs|unused_must_use
 crates/ecstore/src/services/tier/warm_backend.rs|unused_variables
-crates/ecstore/src/services/tier/warm_backend_aliyun.rs|clippy::all
-crates/ecstore/src/services/tier/warm_backend_aliyun.rs|unused_must_use
 crates/ecstore/src/services/tier/warm_backend_aliyun.rs|unused_variables
-crates/ecstore/src/services/tier/warm_backend_azure.rs|clippy::all
-crates/ecstore/src/services/tier/warm_backend_azure.rs|unused_must_use
 crates/ecstore/src/services/tier/warm_backend_azure.rs|unused_variables
-crates/ecstore/src/services/tier/warm_backend_gcs.rs|clippy::all
-crates/ecstore/src/services/tier/warm_backend_gcs.rs|unused_must_use
 crates/ecstore/src/services/tier/warm_backend_gcs.rs|unused_variables
-crates/ecstore/src/services/tier/warm_backend_huaweicloud.rs|clippy::all
-crates/ecstore/src/services/tier/warm_backend_huaweicloud.rs|unused_must_use
 crates/ecstore/src/services/tier/warm_backend_huaweicloud.rs|unused_variables
-crates/ecstore/src/services/tier/warm_backend_minio.rs|clippy::all
-crates/ecstore/src/services/tier/warm_backend_minio.rs|unused_must_use
 crates/ecstore/src/services/tier/warm_backend_minio.rs|unused_variables
-crates/ecstore/src/services/tier/warm_backend_r2.rs|clippy::all
-crates/ecstore/src/services/tier/warm_backend_r2.rs|unused_must_use
 crates/ecstore/src/services/tier/warm_backend_r2.rs|unused_variables
-crates/ecstore/src/services/tier/warm_backend_rustfs.rs|clippy::all
-crates/ecstore/src/services/tier/warm_backend_rustfs.rs|unused_must_use
 crates/ecstore/src/services/tier/warm_backend_rustfs.rs|unused_variables
 crates/ecstore/src/services/tier/warm_backend_s3.rs|clippy::all
 crates/ecstore/src/services/tier/warm_backend_s3.rs|unused_must_use
 crates/ecstore/src/services/tier/warm_backend_s3.rs|unused_variables
-crates/ecstore/src/services/tier/warm_backend_tencent.rs|clippy::all
-crates/ecstore/src/services/tier/warm_backend_tencent.rs|unused_must_use
 crates/ecstore/src/services/tier/warm_backend_tencent.rs|unused_variables