diff --git a/zetta_utils/training/lightning/trainers/default.py b/zetta_utils/training/lightning/trainers/default.py
index 52a4d841f..25995e031 100644
--- a/zetta_utils/training/lightning/trainers/default.py
+++ b/zetta_utils/training/lightning/trainers/default.py
@@ -227,7 +227,6 @@ def unwrap_forward(pl_module: pl.LightningModule, name: str) -> None:
         delattr(model, "__forward__")
         del wrapped_forward
 
-    @pl.utilities.rank_zero.rank_zero_only
     def on_validation_batch_start(
         self,
         trainer: pl.Trainer,