diff --git a/microdroid_manager/src/ioutil.rs b/microdroid_manager/src/ioutil.rs
index 8ac3712..d36e349 100644
--- a/microdroid_manager/src/ioutil.rs
+++ b/microdroid_manager/src/ioutil.rs
@@ -76,7 +76,7 @@
         });
 
         let test_file = test_dir.path().join("test.txt");
-        let mut file = wait_for_file(&test_file, Duration::from_secs(5))?;
+        let mut file = wait_for_file(test_file, Duration::from_secs(5))?;
         let mut buffer = String::new();
         file.read_to_string(&mut buffer)?;
         assert_eq!("test", buffer);
@@ -87,7 +87,7 @@
     fn test_wait_for_file_fails() {
         let test_dir = tempfile::TempDir::new().unwrap();
         let test_file = test_dir.path().join("test.txt");
-        let file = wait_for_file(&test_file, Duration::from_secs(1));
+        let file = wait_for_file(test_file, Duration::from_secs(1));
         assert!(file.is_err());
         assert_eq!(
             io::ErrorKind::NotFound,
diff --git a/microdroid_manager/src/swap.rs b/microdroid_manager/src/swap.rs
index d7916db..2f4d176 100644
--- a/microdroid_manager/src/swap.rs
+++ b/microdroid_manager/src/swap.rs
@@ -66,7 +66,7 @@
     f.write_all(Uuid::new_v4().as_bytes())?;
 
     // Write the magic signature string.
-    f.seek(SeekFrom::Start((pagesize - 10) as u64))?;
+    f.seek(SeekFrom::Start(pagesize - 10))?;
     f.write_all("SWAPSPACE2".as_bytes())?;
 
     Ok(())