diff --git a/src/app/components/cmd_not_found.rs b/src/app/components/cmd_not_found.rs
index 9270f3a..493a17c 100644
--- a/src/app/components/cmd_not_found.rs
+++ b/src/app/components/cmd_not_found.rs
@@ -13,23 +13,20 @@ impl<T: 'static, C: super::Component<Output = anyhow::Result<T>> + Send + Sync>
     async fn handle(&self) -> Self::Output {
         let result = self.inner.handle().await;
 
-        match &result {
-            Err(_) => {
-                if self.command.is_empty() {
-                    eprintln!("cx: no command entered")
-                } else {
-                    eprintln!(
-                        "cx: command not found '{}'",
-                        self.command
-                            .split(" ")
-                            .collect::<Vec<_>>()
-                            .get(0)
-                            .unwrap_or(&"")
-                    )
-                }
+        if let Err(_) = &result {
+            if self.command.is_empty() {
+                eprintln!("cx: no command entered")
+            } else {
+                eprintln!(
+                    "cx: command not found '{}'",
+                    self.command
+                        .split(' ')
+                        .collect::<Vec<_>>()
+                        .first()
+                        .unwrap_or(&"")
+                )
             }
-            _ => (),
-        };
+        }
 
         result
     }
diff --git a/src/app/retry.rs b/src/app/retry.rs
index 78a2dea..5a4ae27 100644
--- a/src/app/retry.rs
+++ b/src/app/retry.rs
@@ -76,7 +76,7 @@ impl<'a> From<SharedParams<'a, PrintableCmdNotFound<CmdExecutor<'a>>>>
         Self {
             inner: WaitSec {
                 sec: state.interval,
-                sleeper: state.sleeper.clone(),
+                sleeper: state.sleeper,
             },
             command: state.command,
             interval: state.interval,
diff --git a/src/app/supervise.rs b/src/app/supervise.rs
index 1a89c1b..567d5c2 100644
--- a/src/app/supervise.rs
+++ b/src/app/supervise.rs
@@ -71,7 +71,7 @@ impl<'a> From<SharedParams<'a, PrintableCmdNotFound<CmdExecutor<'a>>>>
         Self {
             inner: WaitSec {
                 sec: state.interval,
-                sleeper: state.sleeper.clone(),
+                sleeper: state.sleeper,
             },
             command: state.command,
             interval: state.interval,
@@ -90,7 +90,7 @@ impl<'a> From<SharedParams<'a, WaitSec<'a>>>
                 command: state.command.to_owned(),
                 inner: CmdExecutor {
                     command: state.command.to_owned(),
-                    executor: &*state.executor,
+                    executor: state.executor,
                 },
             },
             command: state.command,
diff --git a/src/io/tokio_impl.rs b/src/io/tokio_impl.rs
index 20248aa..df316b9 100644
--- a/src/io/tokio_impl.rs
+++ b/src/io/tokio_impl.rs
@@ -8,7 +8,7 @@ impl PipedCmdExecutor {
 
         let options = elements.drain(1..).collect::<Vec<_>>();
 
-        let program = match elements.get(0) {
+        let program = match elements.first() {
             Some(_) => elements.remove(0),
             None => String::new(),
         };