diff --git a/ale/drivers/__init__.py b/ale/drivers/__init__.py
index dbb2609c2187acba56264efb50fba1e92e1499d0..06343e1c6236ffdfa4174ae03243e9adf35c286d 100644
--- a/ale/drivers/__init__.py
+++ b/ale/drivers/__init__.py
@@ -27,7 +27,8 @@ __disabled_drivers__ = ["ody_drivers",
                         "hayabusa2_drivers",
                         "juno_drivers",
                         "tgo_drivers",
-                        "msi_drivers"]
+                        "msi_drivers",
+                        "mgs_drivers"]
 
 # dynamically load drivers
 __all__ = [os.path.splitext(os.path.basename(d))[0] for d in glob(os.path.join(os.path.dirname(__file__), '*_drivers.py'))]
diff --git a/tests/pytests/test_mgs_drivers.py b/tests/pytests/test_mgs_drivers.py
index a62690b0fbb1f93caf93f616b5811272030e7f29..0c5d184c66ec9328433f3cac54a1bafcfbf6a63a 100644
--- a/tests/pytests/test_mgs_drivers.py
+++ b/tests/pytests/test_mgs_drivers.py
@@ -20,6 +20,7 @@ def test_nac_kernels():
     for kern in binary_kernels:
         os.remove(kern)
 
+@pytest.mark.xfail
 def test_nac_load(test_nac_kernels):
     label_file = get_image_label('m0402852', 'isis')
     compare_dict = get_isd("mgsmocna")
@@ -38,6 +39,7 @@ def test_wac_kernels():
     for kern in binary_kernels:
         os.remove(kern)
 
+@pytest.mark.xfail
 def test_wac_load(test_wac_kernels):
     label_file = get_image_label('ab102401', 'isis3')
     compare_dict = get_isd("mgsmocwa")