diff -r be6bbc9f0561 Include/genobject.h
--- a/Include/genobject.h	Sun Apr 28 11:58:31 2013 -0400
+++ b/Include/genobject.h	Tue Apr 30 17:20:45 2013 +0100
@@ -33,8 +33,8 @@
 #define PyGen_CheckExact(op) (Py_TYPE(op) == &PyGen_Type)
 
 PyAPI_FUNC(PyObject *) PyGen_New(struct _frame *);
-PyAPI_FUNC(int) PyGen_NeedsFinalizing(PyGenObject *);
-PyAPI_FUNC(int) _PyGen_FetchStopIterationValue(PyObject **);
+int _PyGen_NeedsFinalizing(PyGenObject *);
+int _PyGen_FetchStopIterationValue(PyObject **);
 PyObject *_PyGen_Send(PyGenObject *, PyObject *);
 
 #ifdef __cplusplus
diff -r be6bbc9f0561 Modules/gcmodule.c
--- a/Modules/gcmodule.c	Sun Apr 28 11:58:31 2013 -0400
+++ b/Modules/gcmodule.c	Tue Apr 30 17:20:45 2013 +0100
@@ -525,7 +525,7 @@
 has_finalizer(PyObject *op)
 {
     if (PyGen_CheckExact(op))
-        return PyGen_NeedsFinalizing((PyGenObject *)op);
+        return _PyGen_NeedsFinalizing((PyGenObject *)op);
     else
         return op->ob_type->tp_del != NULL;
 }
diff -r be6bbc9f0561 Objects/genobject.c
--- a/Objects/genobject.c	Sun Apr 28 11:58:31 2013 -0400
+++ b/Objects/genobject.c	Tue Apr 30 17:20:45 2013 +0100
@@ -565,7 +565,7 @@
 }
 
 int
-PyGen_NeedsFinalizing(PyGenObject *gen)
+_PyGen_NeedsFinalizing(PyGenObject *gen)
 {
     int i;
     PyFrameObject *f = gen->gi_frame;