diff --git a/test/sampler_test.py b/test/sampler_test.py
index e2c71d6250849a3f3740cf125eaf366dff25f377..92dffc37afb7805bf39eec445a79b8833185524b 100644
--- a/test/sampler_test.py
+++ b/test/sampler_test.py
@@ -466,7 +466,6 @@ class TestPymultinest(unittest.TestCase):
     def test_default_kwargs(self):
         expected = dict(importance_nested_sampling=False, resume=True,
                         verbose=True, sampling_efficiency='parameter',
-                        outputfiles_basename='outdir/pm_label/',
                         n_live_points=500, n_params=2,
                         n_clustering_params=None, wrapped_params=None,
                         multimodal=True, const_efficiency_mode=False,
@@ -482,7 +481,6 @@ class TestPymultinest(unittest.TestCase):
     def test_translate_kwargs(self):
         expected = dict(importance_nested_sampling=False, resume=True,
                         verbose=True, sampling_efficiency='parameter',
-                        outputfiles_basename='outdir/pm_label/',
                         n_live_points=123, n_params=2,
                         n_clustering_params=None, wrapped_params=None,
                         multimodal=True, const_efficiency_mode=False,