diff --git a/unity/Runtime/Components/MjGlobalSettings.cs b/unity/Runtime/Components/MjGlobalSettings.cs
index d41cefe5..b336d58a 100644
--- a/unity/Runtime/Components/MjGlobalSettings.cs
+++ b/unity/Runtime/Components/MjGlobalSettings.cs
@@ -121,7 +121,7 @@ public struct MjcfOptionFlag {
     mjcf.SetAttribute("frictionloss", FrictionLoss.ToString());
     mjcf.SetAttribute("limit", Limit.ToString());
     mjcf.SetAttribute("contact", Contact.ToString());
-    mjcf.SetAttribute("passive", Passive.ToString());
+   // mjcf.SetAttribute("passive", Passive.ToString());
     mjcf.SetAttribute("gravity", Gravity.ToString());
     mjcf.SetAttribute("clampctrl", ClampCtrl.ToString());
     mjcf.SetAttribute("warmstart", WarmStart.ToString());