diff --git a/lerobot/common/datasets/abstract.py b/lerobot/common/datasets/abstract.py
index 7b8a8423..2909507f 100644
--- a/lerobot/common/datasets/abstract.py
+++ b/lerobot/common/datasets/abstract.py
@@ -44,12 +44,6 @@ class AbstractExperienceReplay(TensorDictReplayBuffer):
                 f"The version of the dataset ({self.version}) is not enforced when root is provided ({self.root})."
             )
 
-        # HACK: to remove before merge
-        # self.data_dir = self.root / self.dataset_id
-        # if not (self.data_dir / "replay_buffer").exists():
-        #     storage = self._download_and_preproc_obsolete()
-        # else:
-        #     storage = self._download_or_load_dataset()
         storage = self._download_or_load_dataset()
 
         super().__init__(