diff --git a/bob/bio/base/wrappers.py b/bob/bio/base/wrappers.py
index 024d4bb482b1b7d7958611d59ecb9a653000ac52..2123ddde73b31d978992b28713841776447c13e8 100644
--- a/bob/bio/base/wrappers.py
+++ b/bob/bio/base/wrappers.py
@@ -17,7 +17,7 @@ from bob.bio.base.utils import is_argument_available
 def wrap_bob_legacy(
     bob_object,
     dir_name,
-    fit_extra_arguments=(("y", "subject"),),
+    fit_extra_arguments=None,
     transform_extra_arguments=None,
     dask_it=False,
     **kwargs