diff --git a/core/src/layers/logging.rs b/core/src/layers/logging.rs
index ec929e50d63b..30ec40ebb689 100644
--- a/core/src/layers/logging.rs
+++ b/core/src/layers/logging.rs
@@ -230,7 +230,7 @@ impl LoggingInterceptor for DefaultLoggingInterceptor {
 
 struct LoggingContext<'a>(&'a [(&'a str, &'a str)]);
 
-impl<'a> Display for LoggingContext<'a> {
+impl Display for LoggingContext<'_> {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         for (i, (k, v)) in self.0.iter().enumerate() {
             if i > 0 {
diff --git a/core/src/layers/metrics.rs b/core/src/layers/metrics.rs
index 94ec8ba7ad54..8e577536d894 100644
--- a/core/src/layers/metrics.rs
+++ b/core/src/layers/metrics.rs
@@ -176,7 +176,7 @@ struct OperationLabels<'a> {
     error: Option<ErrorKind>,
 }
 
-impl<'a> OperationLabels<'a> {
+impl OperationLabels<'_> {
     /// labels:
     ///
     /// 1. `["scheme", "namespace", "root", "operation"]`
diff --git a/core/src/raw/oio/write/append_write.rs b/core/src/raw/oio/write/append_write.rs
index 06c72cc5e2cc..9ff3d06b7c1a 100644
--- a/core/src/raw/oio/write/append_write.rs
+++ b/core/src/raw/oio/write/append_write.rs
@@ -65,7 +65,6 @@ pub struct AppendWriter<W: AppendWrite> {
 /// # Safety
 ///
 /// wasm32 is a special target that we only have one event-loop for this state.
-
 impl<W: AppendWrite> AppendWriter<W> {
     /// Create a new AppendWriter.
     pub fn new(inner: W) -> Self {
diff --git a/core/src/raw/oio/write/multipart_write.rs b/core/src/raw/oio/write/multipart_write.rs
index 2ce71ef4fe78..b692303c5b60 100644
--- a/core/src/raw/oio/write/multipart_write.rs
+++ b/core/src/raw/oio/write/multipart_write.rs
@@ -141,7 +141,6 @@ pub struct MultipartWriter<W: MultipartWrite> {
 /// # Safety
 ///
 /// wasm32 is a special target that we only have one event-loop for this state.
-
 impl<W: MultipartWrite> MultipartWriter<W> {
     /// Create a new MultipartWriter.
     pub fn new(inner: W, executor: Option<Executor>, concurrent: usize) -> Self {
diff --git a/core/src/raw/serde_util.rs b/core/src/raw/serde_util.rs
index f34833a47d1c..f64bebab6a0f 100644
--- a/core/src/raw/serde_util.rs
+++ b/core/src/raw/serde_util.rs
@@ -95,7 +95,7 @@ impl Iterator for Pairs {
 /// Pair is used to hold both key and value of a config for better error output.
 struct Pair(String, String);
 
-impl<'de> IntoDeserializer<'de, de::value::Error> for Pair {
+impl IntoDeserializer<'_, de::value::Error> for Pair {
     type Deserializer = Self;
 
     fn into_deserializer(self) -> Self::Deserializer {
diff --git a/core/src/services/hdfs_native/backend.rs b/core/src/services/hdfs_native/backend.rs
index 131d93f814b9..11a43a0378f2 100644
--- a/core/src/services/hdfs_native/backend.rs
+++ b/core/src/services/hdfs_native/backend.rs
@@ -32,7 +32,6 @@ use crate::*;
 
 /// [Hadoop Distributed File System (HDFS™)](https://hadoop.apache.org/) support.
 /// Using [Native Rust HDFS client](https://github.com/Kimahriman/hdfs-native).
-
 impl Configurator for HdfsNativeConfig {
     type Builder = HdfsNativeBuilder;
     fn into_builder(self) -> Self::Builder {
diff --git a/core/src/services/pcloud/lister.rs b/core/src/services/pcloud/lister.rs
index 86ade4dd580e..c3486b68a88d 100644
--- a/core/src/services/pcloud/lister.rs
+++ b/core/src/services/pcloud/lister.rs
@@ -84,10 +84,10 @@ impl oio::PageList for PcloudLister {
                     return Ok(());
                 }
 
-                return Err(Error::new(
+                Err(Error::new(
                     ErrorKind::Unexpected,
                     String::from_utf8_lossy(&bs.to_bytes()),
-                ));
+                ))
             }
             _ => Err(parse_error(resp)),
         }
diff --git a/core/src/services/swift/error.rs b/core/src/services/swift/error.rs
index c9880194b53b..73afa41645c7 100644
--- a/core/src/services/swift/error.rs
+++ b/core/src/services/swift/error.rs
@@ -61,10 +61,10 @@ pub(super) fn parse_error(resp: Response<Buffer>) -> Error {
 }
 
 fn parse_error_response(resp: &Bytes) -> String {
-    return match de::from_reader::<_, ErrorResponse>(resp.clone().reader()) {
+    match de::from_reader::<_, ErrorResponse>(resp.clone().reader()) {
         Ok(swift_err) => swift_err.p,
         Err(_) => String::from_utf8_lossy(resp).into_owned(),
-    };
+    }
 }
 
 #[cfg(test)]