diff --git a/src/AIModel/AIBase.cxx b/src/AIModel/AIBase.cxx
index d7eda2d56..b1dca66e7 100644
--- a/src/AIModel/AIBase.cxx
+++ b/src/AIModel/AIBase.cxx
@@ -39,7 +39,6 @@
 
 #include <Main/globals.hxx>
 #include <Scenery/scenery.hxx>
-#include <Scripting/NasalSys.hxx>
 
 
 #include "AIBase.hxx"
@@ -163,8 +162,7 @@ ssgBranch * FGAIBase::load3DModel(const string& fg_root,
       model = sgLoad3DModel(fg_root,
 			    path,
 			    prop_root,
-			    sim_time_sec, 0,
-			    new FGNasalModelData);
+			    sim_time_sec);
       manager->setModel(path, model);
     }