Issue #1783: Remove declarations of nonexistent private variables.
diff --git a/Include/sysmodule.h b/Include/sysmodule.h
index 010e6e0..0cabf6f 100644
--- a/Include/sysmodule.h
+++ b/Include/sysmodule.h
@@ -20,10 +20,6 @@
 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 *);
 PyAPI_FUNC(void) PySys_AddWarnOptionUnicode(PyObject *);