diff --git a/axum-macros/src/debug_handler.rs b/axum-macros/src/debug_handler.rs
index 66abd6ff..74366aa4 100644
--- a/axum-macros/src/debug_handler.rs
+++ b/axum-macros/src/debug_handler.rs
@@ -365,7 +365,7 @@ fn check_future_send(item_fn: &ItemFn) -> TokenStream {
         match &item_fn.sig.output {
             syn::ReturnType::Default => {
                 return syn::Error::new_spanned(
-                    &item_fn.sig.fn_token,
+                    item_fn.sig.fn_token,
                     "Handlers must be `async fn`s",
                 )
                 .into_compile_error();
diff --git a/axum/benches/benches.rs b/axum/benches/benches.rs
index 9cf47e29..13295a3c 100644
--- a/axum/benches/benches.rs
+++ b/axum/benches/benches.rs
@@ -162,19 +162,19 @@ impl BenchmarkBuilder {
         cmd.arg("--host");
         cmd.arg(format!("http://{}{}", addr, self.path.unwrap_or("")));
 
-        cmd.args(&["--connections", "10"]);
-        cmd.args(&["--threads", "10"]);
+        cmd.args(["--connections", "10"]);
+        cmd.args(["--threads", "10"]);
 
         if on_ci() {
             // don't slow down CI by running the benchmarks for too long
             // but do run them for a bit
-            cmd.args(&["--duration", "1s"]);
+            cmd.args(["--duration", "1s"]);
         } else {
-            cmd.args(&["--duration", "10s"]);
+            cmd.args(["--duration", "10s"]);
         }
 
         if let Some(method) = self.method {
-            cmd.args(&["--method", method]);
+            cmd.args(["--method", method]);
         }
 
         for (key, value) in self.headers.into_iter().flatten() {
@@ -183,7 +183,7 @@ impl BenchmarkBuilder {
         }
 
         if let Some(body) = self.body {
-            cmd.args(&["--body", body]);
+            cmd.args(["--body", body]);
         }
 
         eprintln!("Running {:?} benchmark", self.name);
@@ -209,7 +209,7 @@ impl BenchmarkBuilder {
 fn install_rewrk() {
     println!("installing rewrk");
     let mut cmd = Command::new("cargo");
-    cmd.args(&[
+    cmd.args([
         "install",
         "rewrk",
         "--git",
diff --git a/axum/src/extract/matched_path.rs b/axum/src/extract/matched_path.rs
index 1e35544e..fa4d50b3 100644
--- a/axum/src/extract/matched_path.rs
+++ b/axum/src/extract/matched_path.rs
@@ -60,7 +60,7 @@ pub struct MatchedPath(pub(crate) Arc<str>);
 impl MatchedPath {
     /// Returns a `str` representation of the path.
     pub fn as_str(&self) -> &str {
-        &*self.0
+        &self.0
     }
 }
 
diff --git a/axum/src/extract/ws.rs b/axum/src/extract/ws.rs
index a48f9a73..dbc38905 100644
--- a/axum/src/extract/ws.rs
+++ b/axum/src/extract/ws.rs
@@ -579,7 +579,7 @@ fn sign(key: &[u8]) -> HeaderValue {
     let mut sha1 = Sha1::default();
     sha1.update(key);
     sha1.update(&b"258EAFA5-E914-47DA-95CA-C5AB0DC85B11"[..]);
-    let b64 = Bytes::from(base64::encode(&sha1.finalize()));
+    let b64 = Bytes::from(base64::encode(sha1.finalize()));
     HeaderValue::from_maybe_shared(b64).expect("base64 is a valid value")
 }
 
diff --git a/axum/src/util.rs b/axum/src/util.rs
index b494159c..f7fc6ae1 100644
--- a/axum/src/util.rs
+++ b/axum/src/util.rs
@@ -16,7 +16,7 @@ impl PercentDecodedStr {
     }
 
     pub(crate) fn as_str(&self) -> &str {
-        &*self.0
+        &self.0
     }
 
     pub(crate) fn into_inner(self) -> Arc<str> {