diff --git a/Objects/tupleobject.c b/Objects/tupleobject.c
index 2161ab9..53afab5 100644
--- a/Objects/tupleobject.c
+++ b/Objects/tupleobject.c
@@ -577,13 +577,11 @@
 	(objobjproc)tuplecontains,		/* sq_contains */
 };
 
-#define HASINDEX(o) PyType_HasFeature((o)->ob_type, Py_TPFLAGS_HAVE_INDEX)
-
 static PyObject*
 tuplesubscript(PyTupleObject* self, PyObject* item)
 {
 	PyNumberMethods *nb = item->ob_type->tp_as_number;
-	if (nb != NULL && HASINDEX(item) && nb->nb_index != NULL) {
+	if (nb != NULL && nb->nb_index != NULL) {
 		Py_ssize_t i = nb->nb_index(item);
 		if (i == -1 && PyErr_Occurred())
 			return NULL;