diff --git a/spacy/tests/test_misc.py b/spacy/tests/test_misc.py
index c55e587e7..41c4efb8a 100644
--- a/spacy/tests/test_misc.py
+++ b/spacy/tests/test_misc.py
@@ -11,9 +11,3 @@ import pytest
 def test_util_ensure_path_succeeds(text):
     path = ensure_path(text)
     assert isinstance(path, Path)
-
-
-@pytest.mark.parametrize('text', [b'hello/world', True, False, None])
-def test_util_ensure_path_fails(text):
-    path = ensure_path(text)
-    assert not isinstance(path, Path)