diff --git a/crates/uv-distribution-types/src/file.rs b/crates/uv-distribution-types/src/file.rs
index a75af3977..89da7b87e 100644
--- a/crates/uv-distribution-types/src/file.rs
+++ b/crates/uv-distribution-types/src/file.rs
@@ -169,26 +169,6 @@ impl UrlString {
             .map(|(path, _)| Cow::Owned(UrlString(SmallString::from(path))))
             .unwrap_or(Cow::Borrowed(self))
     }
-
-    /// Return the [`UrlString`] (as a [`Cow`]) with trailing slash removed.
-    ///
-    /// This matches the semantics of [`Url::pop_if_empty`], which will not trim a trailing slash if
-    /// it's the only path segment, e.g., `https://example.com/` would be unchanged.
-    #[must_use]
-    pub fn without_trailing_slash(&self) -> Cow<'_, Self> {
-        self.as_ref()
-            .strip_suffix('/')
-            .filter(|path| {
-                // Only strip the trailing slash if there's _another_ trailing slash that isn't a
-                // part of the scheme.
-                path.split_once("://")
-                    .map(|(_scheme, rest)| rest)
-                    .unwrap_or(path)
-                    .contains('/')
-            })
-            .map(|path| Cow::Owned(UrlString(SmallString::from(path))))
-            .unwrap_or(Cow::Borrowed(self))
-    }
 }
 
 impl AsRef<str> for UrlString {
@@ -283,38 +263,4 @@ mod tests {
         );
         assert!(matches!(url.without_fragment(), Cow::Owned(_)));
     }
-
-    #[test]
-    fn without_trailing_slash() {
-        // Borrows a URL without a slash
-        let url = UrlString("https://example.com/path".into());
-        assert_eq!(&*url.without_trailing_slash(), &url);
-        assert!(matches!(url.without_trailing_slash(), Cow::Borrowed(_)));
-
-        // Removes the trailing slash if present on the URL
-        let url = UrlString("https://example.com/path/".into());
-        assert_eq!(
-            &*url.without_trailing_slash(),
-            &UrlString("https://example.com/path".into())
-        );
-        assert!(matches!(url.without_trailing_slash(), Cow::Owned(_)));
-
-        // Does not remove a trailing slash if it's the only path segment
-        let url = UrlString("https://example.com/".into());
-        assert_eq!(&*url.without_trailing_slash(), &url);
-        assert!(matches!(url.without_trailing_slash(), Cow::Borrowed(_)));
-
-        // Does not remove a trailing slash if it's the only path segment with a missing scheme
-        let url = UrlString("example.com/".into());
-        assert_eq!(&*url.without_trailing_slash(), &url);
-        assert!(matches!(url.without_trailing_slash(), Cow::Borrowed(_)));
-
-        // Removes the trailing slash when the scheme is missing
-        let url = UrlString("example.com/path/".into());
-        assert_eq!(
-            &*url.without_trailing_slash(),
-            &UrlString("example.com/path".into())
-        );
-        assert!(matches!(url.without_trailing_slash(), Cow::Owned(_)));
-    }
 }
diff --git a/crates/uv-resolver/src/lock/mod.rs b/crates/uv-resolver/src/lock/mod.rs
index 14e2ed258..92fc24cd5 100644
--- a/crates/uv-resolver/src/lock/mod.rs
+++ b/crates/uv-resolver/src/lock/mod.rs
@@ -1455,7 +1455,7 @@ impl Lock {
                         Some(path)
                     }
                 })
-                .collect::<BTreeSet<_>>()
+                .collect::<Vec<_>>()
         });
 
         // Add the workspace packages to the queue.
@@ -1478,12 +1478,11 @@ impl Lock {
             if let Source::Registry(index) = &package.id.source {
                 match index {
                     RegistrySource::Url(url) => {
-                        // Normalize URL before validating.
-                        let url = url.without_trailing_slash();
-                        if remotes
-                            .as_ref()
-                            .is_some_and(|remotes| !remotes.contains(&url))
-                        {
+                        if remotes.as_ref().is_some_and(|remotes| {
+                            !remotes.iter().any(|remote| {
+                                matches!(url.as_ref().strip_prefix(remote.as_ref()), Some("" | "/"))
+                            })
+                        }) {
                             let name = &package.id.name;
                             let version = &package
                                 .id
@@ -1493,7 +1492,7 @@ impl Lock {
                             return Ok(SatisfiesResult::MissingRemoteIndex(
                                 name,
                                 version,
-                                url.into_owned(),
+                                url.clone(),
                             ));
                         }
                     }