diff --git a/submission_runner.py b/submission_runner.py
index 6aff6ded5..fbb2065b1 100644
--- a/submission_runner.py
+++ b/submission_runner.py
@@ -193,10 +193,9 @@ def train_once(
     save_checkpoints: Optional[bool] = True
 ) -> Tuple[spec.Timing, Dict[str, Any]]:
   data_rng, opt_init_rng, model_init_rng, rng = prng.split(rng, 4)
-  torch.cuda.memory._record_memory_history(enabled=True)
 
-  if torch.cuda.is_initialized():
-    torch._C._cuda_attach_out_of_memory_observer(oom_observer)
+  # if torch.cuda.is_initialized():
+  #   torch._C._cuda_attach_out_of_memory_observer(oom_observer)
 
   # Workload setup.
   logging.info('Initializing dataset.')
@@ -471,6 +470,8 @@ def score_submission_on_workload(workload: spec.Workload,
                                  log_dir: Optional[str] = None,
                                  save_checkpoints: Optional[bool] = True,
                                  rng_seed: Optional[int] = None):
+  torch.cuda.memory._record_memory_history(enabled=True)
+
   # Expand paths because '~' may not be recognized
   data_dir = os.path.expanduser(data_dir)
   if imagenet_v2_data_dir: