diff --git a/uwb/aidl/default/src/uwb_chip.rs b/uwb/aidl/default/src/uwb_chip.rs
index 2b8e481..efb2454 100644
--- a/uwb/aidl/default/src/uwb_chip.rs
+++ b/uwb/aidl/default/src/uwb_chip.rs
@@ -14,7 +14,6 @@
 
 use std::fs::{File, OpenOptions};
 use std::io::{self, Read, Write};
-use std::os::fd::AsRawFd;
 use std::os::unix::fs::OpenOptionsExt;
 
 enum State {
@@ -61,13 +60,11 @@
 }
 
 pub fn makeraw(file: File) -> io::Result<File> {
-    let fd = file.as_raw_fd();
-
-    // Configure the file descritpro as raw fd.
+    // Configure the file descriptor as raw fd.
     use nix::sys::termios::*;
-    let mut attrs = tcgetattr(fd)?;
+    let mut attrs = tcgetattr(&file)?;
     cfmakeraw(&mut attrs);
-    tcsetattr(fd, SetArg::TCSANOW, &attrs)?;
+    tcsetattr(&file, SetArg::TCSANOW, &attrs)?;
 
     Ok(file)
 }