diff --git a/tests/flags.rs b/tests/flags.rs
index 5d3bdc2f..ba6436e9 100644
--- a/tests/flags.rs
+++ b/tests/flags.rs
@@ -46,7 +46,7 @@ fn test_it_converts_callbacks<CBPRE, CBPOST>(
     CBPOST: FnMut(&Path),
     CBPRE: FnMut(&Path),
 {
-    let png = PngData::new(&input, &opts).unwrap();
+    let png = PngData::new(&input, opts).unwrap();
 
     assert_eq!(png.raw.ihdr.color_type.png_header_code(), color_type_in);
     assert_eq!(png.raw.ihdr.bit_depth, bit_depth_in);
@@ -62,7 +62,7 @@ fn test_it_converts_callbacks<CBPRE, CBPOST>(
 
     callback_post(output);
 
-    let png = match PngData::new(output, &opts) {
+    let png = match PngData::new(output, opts) {
         Ok(x) => x,
         Err(x) => {
             remove_file(output).ok();
@@ -193,7 +193,7 @@ fn verbose_mode() {
     for (i, log) in logs.into_iter().enumerate() {
         let expected_prefix = expected_prefixes[i];
         assert!(
-            log.starts_with(&expected_prefix),
+            log.starts_with(expected_prefix),
             "logs[{}] = {:?} doesn't start with {:?}",
             i,
             log,
diff --git a/tests/raw.rs b/tests/raw.rs
index c3e16fb2..107bf5e5 100644
--- a/tests/raw.rs
+++ b/tests/raw.rs
@@ -15,7 +15,7 @@ fn test_it_converts(input: &str) {
     let input = PathBuf::from(input);
     let opts = get_opts();
 
-    let original_data = PngData::read_file(&PathBuf::from(input)).unwrap();
+    let original_data = PngData::read_file(&input).unwrap();
     let image = PngData::from_slice(&original_data, &opts).unwrap();
     let png = Arc::try_unwrap(image.raw).unwrap();