diff --git a/train.py b/train.py
index 6d348ee..427a083 100644
--- a/train.py
+++ b/train.py
@@ -166,7 +166,7 @@ def train(config_path):
         eval_strategy=config.get("eval_strategy", "steps"),
         eval_steps=config.get("eval_steps", 100),
         bf16=True,
-        gradient_checkpointing=config.get("gradient_checkpointing", True),
+        # gradient_checkpointing removed - FSDP activation_checkpointing handles it
         fsdp=True,
         fsdp_config={
             "backward_prefetch": "backward_pre",