diff --git a/src/lightning/pytorch/utilities/migration/utils.py b/src/lightning/pytorch/utilities/migration/utils.py
index a5da66fd8de2c..385cc6b266fc0 100644
--- a/src/lightning/pytorch/utilities/migration/utils.py
+++ b/src/lightning/pytorch/utilities/migration/utils.py
@@ -70,7 +70,7 @@ def migrate_checkpoint(
     return checkpoint, applied_migrations
 
 
-_lock = threading.Lock()
+# _lock = threading.Lock()
 
 
 class pl_legacy_patch:
@@ -89,7 +89,7 @@ class pl_legacy_patch:
     """
 
     def __enter__(self) -> "pl_legacy_patch":
-        _lock.acquire()
+        # _lock.acquire()
         # `pl.utilities.argparse_utils` was renamed to `pl.utilities.argparse`
         legacy_argparse_module = ModuleType("lightning.pytorch.utilities.argparse_utils")
         sys.modules["lightning.pytorch.utilities.argparse_utils"] = legacy_argparse_module
@@ -108,7 +108,7 @@ def __exit__(
         if hasattr(pl.utilities.argparse, "_gpus_arg_default"):
             delattr(pl.utilities.argparse, "_gpus_arg_default")
         del sys.modules["lightning.pytorch.utilities.argparse_utils"]
-        _lock.release()
+        # _lock.release()
 
 
 def _pl_migrate_checkpoint(checkpoint: _CHECKPOINT, checkpoint_path: Optional[_PATH] = None) -> _CHECKPOINT: