diff --git a/ssh-connection/src/lib.rs b/ssh-connection/src/lib.rs
index 45c6f35..30652a7 100644
--- a/ssh-connection/src/lib.rs
+++ b/ssh-connection/src/lib.rs
@@ -490,7 +490,7 @@ impl ServerChannelsState {
     /// Send a single data packet.
     /// The caller needs to ensure the windowing and packet size requirements are upheld.
     fn send_data_packet(&mut self, channel_number: ChannelNumber, data: &[u8]) {
-        assert!(data.len() > 0, "Trying to send empty data packet");
+        assert!(!data.is_empty(), "Trying to send empty data packet");
 
         trace!(%channel_number, amount = %data.len(), "Sending channel data");
         let channel = self.channel(channel_number).unwrap();
diff --git a/ssh-transport/src/client.rs b/ssh-transport/src/client.rs
index 6ebffd7..78553be 100644
--- a/ssh-transport/src/client.rs
+++ b/ssh-transport/src/client.rs
@@ -89,13 +89,13 @@ impl ClientConnection {
         self.packet_transport.recv_bytes(bytes)?;
 
         while let Some(packet) = self.packet_transport.recv_next_packet() {
-            let packet_type = packet.payload.get(0).unwrap_or(&0xFF);
+            let packet_type = packet.payload.first().unwrap_or(&0xFF);
             let packet_type_string = numbers::packet_type_to_string(*packet_type);
 
             trace!(%packet_type, %packet_type_string, packet_len = %packet.payload.len(), "Received packet");
 
             // Handle some packets ignoring the state.
-            match packet.payload.get(0).copied() {
+            match packet.payload.first().copied() {
                 Some(numbers::SSH_MSG_DISCONNECT) => {
                     // <https://datatracker.ietf.org/doc/html/rfc4253#section-11.1>
                     let mut disconnect = Parser::new(&packet.payload[1..]);
diff --git a/ssh-transport/src/crypto.rs b/ssh-transport/src/crypto.rs
index 43bf4d8..310ea0a 100644
--- a/ssh-transport/src/crypto.rs
+++ b/ssh-transport/src/crypto.rs
@@ -228,7 +228,7 @@ pub struct AlgorithmNegotiation<T> {
 }
 
 impl<T: AlgorithmName> AlgorithmNegotiation<T> {
-    pub fn find<'a>(mut self, peer_supports: &str) -> Result<T> {
+    pub fn find(mut self, peer_supports: &str) -> Result<T> {
         for client_alg in peer_supports.split(',') {
             if let Some(alg) = self
                 .supported
@@ -455,7 +455,7 @@ fn derive_key(
 
     for i in 0..(padded_key_size / sha2len) {
         let mut hash = <sha2::Sha256 as sha2::Digest>::new();
-        encode_mpint_for_hash(&k, |data| hash.update(data));
+        encode_mpint_for_hash(k, |data| hash.update(data));
         hash.update(h);
 
         if i == 0 {
diff --git a/ssh-transport/src/numbers.rs b/ssh-transport/src/numbers.rs
index d830086..c26031d 100644
--- a/ssh-transport/src/numbers.rs
+++ b/ssh-transport/src/numbers.rs
@@ -84,7 +84,7 @@ pub fn packet_type_to_string(packet_type: u8) -> &'static str {
         98 => "SSH_MSG_CHANNEL_REQUEST",
         99 => "SSH_MSG_CHANNEL_SUCCESS",
         100 => "SSH_MSG_CHANNEL_FAILURE",
-        _ => return "<unknown>",
+        _ => "<unknown>",
     }
 }
 
diff --git a/ssh-transport/src/server.rs b/ssh-transport/src/server.rs
index 574e977..5b0bf55 100644
--- a/ssh-transport/src/server.rs
+++ b/ssh-transport/src/server.rs
@@ -78,13 +78,13 @@ impl ServerConnection {
         self.packet_transport.recv_bytes(bytes)?;
 
         while let Some(packet) = self.packet_transport.recv_next_packet() {
-            let packet_type = packet.payload.get(0).unwrap_or(&0xFF);
+            let packet_type = packet.payload.first().unwrap_or(&0xFF);
             let packet_type_string = numbers::packet_type_to_string(*packet_type);
 
             trace!(%packet_type, %packet_type_string, packet_len = %packet.payload.len(), "Received packet");
 
             // Handle some packets ignoring the state.
-            match packet.payload.get(0).copied() {
+            match packet.payload.first().copied() {
                 Some(numbers::SSH_MSG_DISCONNECT) => {
                     // <https://datatracker.ietf.org/doc/html/rfc4253#section-11.1>
                     let mut disconnect = Parser::new(&packet.payload[1..]);
@@ -217,7 +217,7 @@ impl ServerConnection {
                     let pub_hostkey = server_host_key_algorithm.public_key();
 
                     let hash = crypto::key_exchange_hash(
-                        &client_identification,
+                        client_identification,
                         SERVER_IDENTIFICATION,
                         client_kexinit,
                         server_kexinit,