Merge branches/pep-0384.
diff --git a/Include/sysmodule.h b/Include/sysmodule.h
index c00901b..010e6e0 100644
--- a/Include/sysmodule.h
+++ b/Include/sysmodule.h
@@ -20,7 +20,9 @@
 PyAPI_FUNC(void) PySys_FormatStdout(const char *format, ...);
 PyAPI_FUNC(void) PySys_FormatStderr(const char *format, ...);
 
+#ifndef Py_LIMITED_API
 PyAPI_DATA(PyObject *) _PySys_TraceFunc, *_PySys_ProfileFunc;
+#endif
 
 PyAPI_FUNC(void) PySys_ResetWarnOptions(void);
 PyAPI_FUNC(void) PySys_AddWarnOption(const wchar_t *);