diff --git a/windows_kext/driver/src/connection_cache.rs b/windows_kext/driver/src/connection_cache.rs
index 6e149508..665e60f4 100644
--- a/windows_kext/driver/src/connection_cache.rs
+++ b/windows_kext/driver/src/connection_cache.rs
@@ -59,7 +59,7 @@ impl ConnectionCache {
         process_connection: fn(&ConnectionV4) -> Option<T>,
     ) -> Option<T> {
         let _guard = self.lock_v4.read_lock();
-        self.connections_v4.read(&key, process_connection)
+        self.connections_v4.read(key, process_connection)
     }
 
     pub fn read_connection_v6<T>(
@@ -68,7 +68,7 @@ impl ConnectionCache {
         process_connection: fn(&ConnectionV6) -> Option<T>,
     ) -> Option<T> {
         let _guard = self.lock_v6.read_lock();
-        self.connections_v6.read(&key, process_connection)
+        self.connections_v6.read(key, process_connection)
     }
 
     pub fn end_connection_v4(&mut self, key: Key) -> Option<ConnectionV4> {
diff --git a/windows_kext/driver/src/connection_map.rs b/windows_kext/driver/src/connection_map.rs
index 282da153..bf2210f8 100644
--- a/windows_kext/driver/src/connection_map.rs
+++ b/windows_kext/driver/src/connection_map.rs
@@ -111,7 +111,7 @@ impl<T: Connection + Clone> ConnectionMap<T> {
 
     pub fn end(&mut self, key: Key) -> Option<T> {
         if let Some(connections) = self.0.get_mut(&key.small()) {
-            for (_, conn) in connections.iter_mut().enumerate() {
+            for conn in connections.iter_mut() {
                 if conn.remote_equals(&key) {
                     conn.end(wdk::utils::get_system_timestamp_ms());
                     return Some(conn.clone());
@@ -124,7 +124,7 @@ impl<T: Connection + Clone> ConnectionMap<T> {
     pub fn end_all_on_port(&mut self, key: (IpProtocol, u16)) -> Option<Vec<T>> {
         if let Some(connections) = self.0.get_mut(&key) {
             let mut vec = Vec::with_capacity(connections.len());
-            for (_, conn) in connections.iter_mut().enumerate() {
+            for conn in connections.iter_mut() {
                 if !conn.has_ended() {
                     conn.end(wdk::utils::get_system_timestamp_ms());
                     vec.push(conn.clone());
diff --git a/windows_kext/driver/src/device.rs b/windows_kext/driver/src/device.rs
index e5eeca7d..b7175207 100644
--- a/windows_kext/driver/src/device.rs
+++ b/windows_kext/driver/src/device.rs
@@ -46,9 +46,7 @@ impl Device {
                 Err(err) => return Err(alloc::format!("filter engine error: {}", err)),
             };
 
-        if let Err(err) = filter_engine.commit(callouts::get_callout_vec()) {
-            return Err(err);
-        }
+        filter_engine.commit(callouts::get_callout_vec())?;
 
         Ok(Self {
             filter_engine,
diff --git a/windows_kext/driver/src/id_cache.rs b/windows_kext/driver/src/id_cache.rs
index 3b791ff9..9a0c4b27 100644
--- a/windows_kext/driver/src/id_cache.rs
+++ b/windows_kext/driver/src/id_cache.rs
@@ -56,7 +56,7 @@ impl IdCache {
     }
 }
 
-fn get_payload<'a>(packet: &'a Packet) -> Option<&'a [u8]> {
+fn get_payload(packet: &Packet) -> Option<&[u8]> {
     match packet {
         Packet::PacketLayer(nbl, _) => nbl.get_data(),
         Packet::AleLayer(defer) => {
diff --git a/windows_kext/driver/src/packet_callouts.rs b/windows_kext/driver/src/packet_callouts.rs
index 9971d6af..6736a628 100644
--- a/windows_kext/driver/src/packet_callouts.rs
+++ b/windows_kext/driver/src/packet_callouts.rs
@@ -278,7 +278,7 @@ fn get_connection_info(
 ) -> Option<ConnectionInfo> {
     if ipv6 {
         let conn_info = connection_cache.read_connection_v6(
-            &key,
+            key,
             |conn: &ConnectionV6| -> Option<ConnectionInfo> {
                 // Function is is behind spin lock. Just copy and return.
                 Some(ConnectionInfo::from_connection(conn))
@@ -287,7 +287,7 @@ fn get_connection_info(
         return conn_info;
     } else {
         let conn_info = connection_cache.read_connection_v4(
-            &key,
+            key,
             |conn: &ConnectionV4| -> Option<ConnectionInfo> {
                 // Function is is behind spin lock. Just copy and return.
                 Some(ConnectionInfo::from_connection(conn))