diff --git a/examples/tcp_listenfd_server.rs b/examples/tcp_listenfd_server.rs
index 941d7f048..38b10d0ef 100644
--- a/examples/tcp_listenfd_server.rs
+++ b/examples/tcp_listenfd_server.rs
@@ -125,6 +125,7 @@ fn next(current: &mut Token) -> Token {
 }
 
 /// Returns `true` if the connection is done.
+#[allow(clippy::unused_io_amount)]
 fn handle_connection_event(
     registry: &Registry,
     connection: &mut TcpStream,
diff --git a/src/sys/unix/waker.rs b/src/sys/unix/waker.rs
index 968f1a876..4642996fa 100644
--- a/src/sys/unix/waker.rs
+++ b/src/sys/unix/waker.rs
@@ -100,6 +100,7 @@ mod eventfd {
             Ok(WakerInternal { fd: file })
         }
 
+        #[allow(clippy::unused_io_amount)]
         pub fn wake(&self) -> io::Result<()> {
             let buf: [u8; 8] = 1u64.to_ne_bytes();
             match (&self.fd).write(&buf) {
@@ -120,6 +121,7 @@ mod eventfd {
         }
 
         /// Reset the eventfd object, only need to call this if `wake` fails.
+        #[allow(clippy::unused_io_amount)]
         fn reset(&self) -> io::Result<()> {
             let mut buf: [u8; 8] = 0u64.to_ne_bytes();
             match (&self.fd).read(&mut buf) {
diff --git a/tests/tcp.rs b/tests/tcp.rs
index 2c61403d5..87ef2329d 100644
--- a/tests/tcp.rs
+++ b/tests/tcp.rs
@@ -584,6 +584,7 @@ fn connect_error() {
 }
 
 #[test]
+#[allow(clippy::unused_io_amount)]
 fn write_error() {
     init();