diff --git a/src/maxtext/training_engine/maxtext_engine.py b/src/maxtext/training_engine/maxtext_engine.py
index 0e4afc8842..06f3b56e8d 100644
--- a/src/maxtext/training_engine/maxtext_engine.py
+++ b/src/maxtext/training_engine/maxtext_engine.py
@@ -329,13 +329,16 @@ def get_metrics(self, clear_cache: bool = True) -> abstract_engine.MetricsBuffer
     return self._metrics_recorder.get_metrics(clear_cache=clear_cache)
 
   def prepare_weight_sync(self, **kwargs: Any) -> Any:
-    """Stages weights for transfer and returns access coordinates.
-
+    """Returns weight synchronization metadata.
+  
+    Weight synchronization is not implemented yet. This placeholder returns an
+    empty dictionary until a transfer backend is integrated.
+  
     Args:
-      **kwargs: Weight staging parameters.
-
+      **kwargs: Reserved for future weight-staging configuration.
+  
     Returns:
-      Synchronization endpoints or coordinates for rollout actors.
+      An empty dictionary.
     """
     return {}