diff --git a/dartsim/src/KinematicsFeatures.cc b/dartsim/src/KinematicsFeatures.cc
index a93ca1f9e..d7a67cc36 100644
--- a/dartsim/src/KinematicsFeatures.cc
+++ b/dartsim/src/KinematicsFeatures.cc
@@ -30,12 +30,8 @@ FrameData3d KinematicsFeatures::FrameDataRelativeToWorld(
 {
   FrameData3d data;
 
-  // The feature system should never send us the world ID.
   if (_id.IsWorld())
   {
-    ignerr << "Given a FrameID belonging to the world. This should not be "
-           << "possible! Please report this bug!\n";
-    assert(false);
     return data;
   }