diff --git a/tests/test_smart_ptr.py b/tests/test_smart_ptr.py
index 63d9171b59..8c7716fa8e 100644
--- a/tests/test_smart_ptr.py
+++ b/tests/test_smart_ptr.py
@@ -291,14 +291,15 @@ def test_unique_ptr_arg():
 
     pass_through_list = [
         m.unique_ptr_pass_through,
-        m.unique_ptr_pass_through_cast_from_py,
-        m.unique_ptr_pass_through_move_from_py,
         m.unique_ptr_pass_through_move_to_py,
         m.unique_ptr_pass_through_cast_to_py,
+        # TODO(eric.cousineau): Fix these cases.
+        # m.unique_ptr_pass_through_cast_from_py,
+        # m.unique_ptr_pass_through_move_from_py,
     ]
     for pass_through in pass_through_list:
         obj = m.UniquePtrHeld(1)
-        obj_ref = m.unique_ptr_pass_through(obj)
+        obj_ref = pass_through(obj)
         assert stats.alive() == 1
         assert obj.value() == 1
         assert obj == obj_ref