diff --git a/Include/genobject.h b/Include/genobject.h
index 25f6c33..ed451ba 100644
--- a/Include/genobject.h
+++ b/Include/genobject.h
@@ -34,7 +34,7 @@
 
 PyAPI_FUNC(PyObject *) PyGen_New(struct _frame *);
 PyAPI_FUNC(int) PyGen_NeedsFinalizing(PyGenObject *);
-PyAPI_FUNC(int) PyGen_FetchStopIterationValue(PyObject **);
+PyAPI_FUNC(int) _PyGen_FetchStopIterationValue(PyObject **);
 PyObject *_PyGen_Send(PyGenObject *, PyObject *);
 
 #ifdef __cplusplus
diff --git a/Include/pyerrors.h b/Include/pyerrors.h
index cfae922..2c145ad 100644
--- a/Include/pyerrors.h
+++ b/Include/pyerrors.h
@@ -400,9 +400,6 @@
     const char *reason          /* UTF-8 encoded string */
     );
 
-/* create a StopIteration exception with the given value */
-PyAPI_FUNC(PyObject *) PyStopIteration_Create(PyObject *);
-
 /* These APIs aren't really part of the error implementation, but
    often needed to format error messages; the native C lib APIs are
    not available on all platforms, which is why we provide emulations