diff --git a/Include/cpython/object.h b/Include/cpython/object.h
index 0e5b6acb43b4161..49101c187568607 100644
--- a/Include/cpython/object.h
+++ b/Include/cpython/object.h
@@ -377,11 +377,6 @@ PyAPI_FUNC(PyObject *) _PyObject_FunctionStr(PyObject *);
 #endif
 
 
-/* Maps Py_LT to Py_GT, ..., Py_GE to Py_LE.
- * Defined in object.c.
- */
-PyAPI_DATA(int) _Py_SwappedOp[];
-
 PyAPI_FUNC(void)
 _PyDebugAllocatorStats(FILE *out, const char *block_name, int num_blocks,
                        size_t sizeof_block);
diff --git a/Include/internal/pycore_object.h b/Include/internal/pycore_object.h
index 90588daa64cc3be..e9b29bd3049f09d 100644
--- a/Include/internal/pycore_object.h
+++ b/Include/internal/pycore_object.h
@@ -442,6 +442,9 @@ extern PyObject* _PyCFunctionWithKeywords_TrampolineCall(
 PyAPI_DATA(PyTypeObject) _PyNone_Type;
 PyAPI_DATA(PyTypeObject) _PyNotImplemented_Type;
 
+/* Maps Py_LT to Py_GT, ..., Py_GE to Py_LE.  Defined in Objects/object.c. */
+extern int _Py_SwappedOp[];
+
 #ifdef __cplusplus
 }
 #endif