diff --git a/summit/tests/test_mono_view/test_exec_classif_mono_view.py b/summit/tests/test_mono_view/test_exec_classif_mono_view.py
index ab1d9ce58c9e450be30288c515c9c2891a42f93e..7dca3188307cd2d55995bf7836ee5d79539be1d5 100644
--- a/summit/tests/test_mono_view/test_exec_classif_mono_view.py
+++ b/summit/tests/test_mono_view/test_exec_classif_mono_view.py
@@ -60,6 +60,7 @@ class Test_initConstants(unittest.TestCase):
 
     @classmethod
     def tearDownClass(cls):
+        cls.datasetFile.close()
         rm_tmp()
 
 
diff --git a/summit/tests/test_utils/test_GetMultiviewDB.py b/summit/tests/test_utils/test_GetMultiviewDB.py
index c825a2720a536f9081a7df4187588d99b7154bf1..13cab526f46e079f89c9ca540a2d3d10e2373058 100644
--- a/summit/tests/test_utils/test_GetMultiviewDB.py
+++ b/summit/tests/test_utils/test_GetMultiviewDB.py
@@ -74,6 +74,7 @@ class Test_get_classic_db_hdf5(unittest.TestCase):
         self.assertEqual(dataset.dataset, self.dataset_file)
 
     def tearDown(self):
+        self.dataset_file.close()
         rm_tmp()
 
 
diff --git a/summit/tests/test_utils/test_dataset.py b/summit/tests/test_utils/test_dataset.py
index 2ffdb823c17b6228c3c0f9d947930dcff597174e..f8b64e054af346f6eb2130473158073b5735af3c 100644
--- a/summit/tests/test_utils/test_dataset.py
+++ b/summit/tests/test_utils/test_dataset.py
@@ -279,7 +279,6 @@ class TestRAMDataset(unittest.TestCase):
     def setUpClass(cls):
         cls.rs = np.random.RandomState(42)
         cls.nb_view = 3
-        cls.file_name = "test.hdf5"
         cls.nb_samples = 5
         cls.nb_attr = 7
         cls.nb_class = 3