diff --git a/panda/src/ode/odeUtil.cxx b/panda/src/ode/odeUtil.cxx
index e8b1011b8f..edc2f8236c 100755
--- a/panda/src/ode/odeUtil.cxx
+++ b/panda/src/ode/odeUtil.cxx
@@ -23,7 +23,10 @@
 #endif
 
 dReal OdeUtil::OC_infinity = dInfinity;
+
+#ifdef HAVE_PYTHON
 PyObject* OdeUtil::_python_callback = NULL;
+#endif
 
 ////////////////////////////////////////////////////////////////////
 //     Function: OdeUtil::get_connecting_joint
diff --git a/panda/src/ode/odeUtil.h b/panda/src/ode/odeUtil.h
index 1e9bfd04f6..654b7f1008 100755
--- a/panda/src/ode/odeUtil.h
+++ b/panda/src/ode/odeUtil.h
@@ -48,8 +48,10 @@ PUBLISHED:
                                      const int joint_type);
   static PT(OdeCollisionEntry) collide(const OdeGeom &geom1, const OdeGeom &geom2,
                                       const short int max_contacts = 150);
+#ifdef HAVE_PYTHON
   static int collide2(const OdeGeom &geom1, const OdeGeom &geom2,
-                                       PyObject* arg, PyObject* callback);
+                      PyObject* arg, PyObject* callback);
+#endif
   static OdeGeom space_to_geom(const OdeSpace &space);
 
   static dReal OC_infinity;