diff --git a/Include/internal/pycore_pylifecycle.h b/Include/internal/pycore_pylifecycle.h
index 49574295943..7ea4488a936 100644
--- a/Include/internal/pycore_pylifecycle.h
+++ b/Include/internal/pycore_pylifecycle.h
@@ -15,8 +15,6 @@ extern "C" {
  * KeyboardInterrupt exception, suggesting the user pressed ^C. */
 PyAPI_DATA(int) _Py_UnhandledKeyboardInterrupt;
 
-PyAPI_FUNC(int) Py_BytesMain(int argc, char **argv);
-
 extern int _Py_SetFileSystemEncoding(
     const char *encoding,
     const char *errors);
diff --git a/Include/pylifecycle.h b/Include/pylifecycle.h
index 1df114a73de..c5368b3c5ed 100644
--- a/Include/pylifecycle.h
+++ b/Include/pylifecycle.h
@@ -32,6 +32,8 @@ PyAPI_FUNC(void) _Py_NO_RETURN Py_Exit(int);
 /* Bootstrap __main__ (defined in Modules/main.c) */
 PyAPI_FUNC(int) Py_Main(int argc, wchar_t **argv);
 
+PyAPI_FUNC(int) Py_BytesMain(int argc, char **argv);
+
 /* In pathconfig.c */
 PyAPI_FUNC(void) Py_SetProgramName(const wchar_t *);
 PyAPI_FUNC(wchar_t *) Py_GetProgramName(void);