diff --git a/lib/rktk-drivers-common/src/usb/builder.rs b/lib/rktk-drivers-common/src/usb/builder.rs
index 0ed7082..64034e5 100644
--- a/lib/rktk-drivers-common/src/usb/builder.rs
+++ b/lib/rktk-drivers-common/src/usb/builder.rs
@@ -9,7 +9,7 @@ use usbd_hid::descriptor::{
     KeyboardReport, MediaKeyboardReport, MouseReport, SerializedDescriptor as _,
 };
 
-use crate::usb::handler::{UsbDeviceHandler, UsbRequestHandler};
+use crate::usb::handler::UsbDeviceHandler;
 
 use super::driver::CommonUsbDriver;
 use super::{task::*, ReadySignal};
diff --git a/lib/rktk-drivers-common/src/usb/handler.rs b/lib/rktk-drivers-common/src/usb/handler.rs
index bbb6856..cb39831 100644
--- a/lib/rktk-drivers-common/src/usb/handler.rs
+++ b/lib/rktk-drivers-common/src/usb/handler.rs
@@ -21,7 +21,7 @@ impl UsbDeviceHandler {
 
 // 参考: https://www.itf.co.jp/tech/road-to-usb-master/usb-status
 impl Handler for UsbDeviceHandler {
-    fn enabled(&mut self, enabled: bool) {
+    fn enabled(&mut self, _enabled: bool) {
         self.configured.store(false, Ordering::Relaxed);
         SUSPENDED.store(false, Ordering::Release);
     }
@@ -30,7 +30,7 @@ impl Handler for UsbDeviceHandler {
         self.configured.store(false, Ordering::Relaxed);
     }
 
-    fn addressed(&mut self, addr: u8) {
+    fn addressed(&mut self, _addr: u8) {
         self.configured.store(false, Ordering::Relaxed);
     }
 
@@ -50,17 +50,17 @@ impl Handler for UsbDeviceHandler {
 pub struct UsbRequestHandler {}
 
 impl RequestHandler for UsbRequestHandler {
-    fn get_report(&mut self, id: ReportId, _buf: &mut [u8]) -> Option<usize> {
+    fn get_report(&mut self, _id: ReportId, _buf: &mut [u8]) -> Option<usize> {
         None
     }
 
-    fn set_report(&mut self, id: ReportId, data: &[u8]) -> OutResponse {
+    fn set_report(&mut self, _id: ReportId, _data: &[u8]) -> OutResponse {
         OutResponse::Accepted
     }
 
-    fn set_idle_ms(&mut self, id: Option<ReportId>, dur: u32) {}
+    fn set_idle_ms(&mut self, _id: Option<ReportId>, _dur: u32) {}
 
-    fn get_idle_ms(&mut self, id: Option<ReportId>) -> Option<u32> {
+    fn get_idle_ms(&mut self, _id: Option<ReportId>) -> Option<u32> {
         None
     }
 }
diff --git a/lib/rktk-drivers-nrf/src/split/uart_full_duplex.rs b/lib/rktk-drivers-nrf/src/split/uart_full_duplex.rs
index 4979c1d..4188439 100644
--- a/lib/rktk-drivers-nrf/src/split/uart_full_duplex.rs
+++ b/lib/rktk-drivers-nrf/src/split/uart_full_duplex.rs
@@ -23,7 +23,7 @@ impl<'d, I: UarteInstance, T: TimerInstance> UartFullDuplexSplitDriver<'d, I, T>
 impl<I: UarteInstance, T: TimerInstance> SplitDriver for UartFullDuplexSplitDriver<'_, I, T> {
     type Error = UartFullDuplexSplitDriverError;
 
-    async fn wait_recv(&mut self, buf: &mut [u8], is_master: bool) -> Result<(), Self::Error> {
+    async fn wait_recv(&mut self, buf: &mut [u8], _is_master: bool) -> Result<(), Self::Error> {
         let mut i = 0;
         loop {
             let mut byte = [0];
@@ -42,7 +42,7 @@ impl<I: UarteInstance, T: TimerInstance> SplitDriver for UartFullDuplexSplitDriv
         Ok(())
     }
 
-    async fn send(&mut self, buf: &[u8], is_master: bool) -> Result<(), Self::Error> {
+    async fn send(&mut self, buf: &[u8], _is_master: bool) -> Result<(), Self::Error> {
         self.uarte
             .write_all(buf)
             .await
diff --git a/tools/rktk-client/src/app/components/notification.rs b/tools/rktk-client/src/app/components/notification.rs
index 04667a8..db7e4bf 100644
--- a/tools/rktk-client/src/app/components/notification.rs
+++ b/tools/rktk-client/src/app/components/notification.rs
@@ -2,6 +2,7 @@ use std::time::Duration;
 
 use dioxus::prelude::*;
 
+#[allow(dead_code)]
 #[derive(Default)]
 pub enum NotificationLevel {
     #[default]
@@ -35,7 +36,7 @@ struct NotificationData {
     record: Notification,
 }
 
-static NOTFICATIONS: GlobalSignal<Vec<NotificationData>> = GlobalSignal::new(|| vec![]);
+static NOTFICATIONS: GlobalSignal<Vec<NotificationData>> = GlobalSignal::new(Vec::new);
 static NOTIFICATION_ID: GlobalSignal<usize> = GlobalSignal::new(|| 0);
 
 pub fn push_notification(notification: Notification) {