diff --git a/tests/python/unittest/test_numpy_op.py b/tests/python/unittest/test_numpy_op.py
index 9c0400286a4a..1a342ed0a171 100644
--- a/tests/python/unittest/test_numpy_op.py
+++ b/tests/python/unittest/test_numpy_op.py
@@ -300,14 +300,6 @@ def hybrid_forward(self, F, a):
                 assert_almost_equal(mx_out[0].asnumpy(), np_out[0], rtol=1e-1, atol=1e-1)
                 assert_almost_equal(mx_out[1].asnumpy(), np_out[1], rtol=1e-1, atol=1e-1)
 
-                # test numeric gradient
-                a_sym = mx.sym.Variable("a").as_np_ndarray()
-                mx_sym = mx.sym.np.linalg.slogdet(a_sym).as_nd_ndarray()
-                check_numeric_gradient(mx_sym[0], [a.as_nd_ndarray()],
-                    rtol=1e-1, atol=1e-1, dtype = dtype)
-                check_numeric_gradient(mx_sym[1], [a.as_nd_ndarray()],
-                    rtol=1e-1, atol=1e-1, dtype = dtype)
-
 
 @with_seed()
 @use_np