diff --git a/lib/src/merged_tree.rs b/lib/src/merged_tree.rs
index a9135dcee..72202beb5 100644
--- a/lib/src/merged_tree.rs
+++ b/lib/src/merged_tree.rs
@@ -1170,13 +1170,8 @@ impl<'matcher> TreeDiffStreamImpl<'matcher> {
}
}
}
-}
-impl Stream for TreeDiffStreamImpl<'_> {
- type Item = (RepoPath, BackendResult<(MergedTreeValue, MergedTreeValue)>);
-
- fn poll_next(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll