diff --git a/src/metadata/file.rs b/src/metadata/file.rs
index d6fadf84..e33d10f2 100644
--- a/src/metadata/file.rs
+++ b/src/metadata/file.rs
@@ -141,7 +141,7 @@ impl std::hash::Hash for Filename {
     }
 }
 
-impl AsRef<str> for &Filename {
+impl AsRef<str> for Filename {
     fn as_ref(&self) -> &str {
         &self.0
     }