diff --git a/crates/puffin-package/src/extra_name.rs b/crates/puffin-package/src/extra_name.rs
index 3c3a38510..9d128f476 100644
--- a/crates/puffin-package/src/extra_name.rs
+++ b/crates/puffin-package/src/extra_name.rs
@@ -7,12 +7,6 @@ use regex::Regex;
 #[derive(Debug, Clone, PartialEq, Eq, Hash, PartialOrd, Ord)]
 pub struct ExtraName(String);
 
-impl From<&ExtraName> for ExtraName {
-    fn from(extra_name: &ExtraName) -> Self {
-        extra_name.clone()
-    }
-}
-
 impl Display for ExtraName {
     fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result {
         self.0.fmt(f)
diff --git a/crates/puffin-package/src/package_name.rs b/crates/puffin-package/src/package_name.rs
index 2b2e22b5a..f13c8e92a 100644
--- a/crates/puffin-package/src/package_name.rs
+++ b/crates/puffin-package/src/package_name.rs
@@ -10,6 +10,7 @@ use crate::dist_info_name::DistInfoName;
 pub struct PackageName(String);
 
 impl From<&PackageName> for PackageName {
+    /// Required for `WaitMap::wait`
     fn from(package_name: &PackageName) -> Self {
         package_name.clone()
     }