diff --git a/openfe/tests/setup/atom_mapping/test_perses_atommapper.py b/openfe/tests/setup/atom_mapping/test_perses_atommapper.py
index 4c791882f..fca455e36 100644
--- a/openfe/tests/setup/atom_mapping/test_perses_atommapper.py
+++ b/openfe/tests/setup/atom_mapping/test_perses_atommapper.py
@@ -7,8 +7,6 @@
 pytest.importorskip('perses')
 pytest.importorskip('openeye')
 
-USING_NEW_OFF = True  # by default we are now
-
 
 def test_simple(atom_mapping_basic_test_files):
     # basic sanity check on the LigandAtomMapper