diff --git a/examples/demo_planar_hsa_motor2ee_jacobian.py b/examples/demo_planar_hsa_motor2ee_jacobian.py
index 2005732..0e61b89 100644
--- a/examples/demo_planar_hsa_motor2ee_jacobian.py
+++ b/examples/demo_planar_hsa_motor2ee_jacobian.py
@@ -142,6 +142,6 @@ def jac_phi2chi_static_model(phi: Array) -> Tuple[Array, Dict[str, Array]]:
         q, aux = jitted_phi2q_static_model_fn(phi)
         print("phi", phi, "q", q)
 
-        J_u2chi_autodiff, aux = J_phi2chi_autodiff_fn(phi)
-        J_u2chi, aux = J_phi2chi_fn(phi)
-        print("J_u2chi:\n", J_u2chi, "\nJ_u2chi_autodiff:\n", J_u2chi_autodiff)
\ No newline at end of file
+        # J_phi2chi_autodiff, aux = J_phi2chi_autodiff_fn(phi)
+        # J_phi2chi, aux = J_phi2chi_fn(phi)
+        # print("J_phi2chi:\n", J_phi2chi, "\nJ_phi2chi_autodiff:\n", J_phi2chi_autodiff)
\ No newline at end of file