diff --git a/Objects/tupleobject.c b/Objects/tupleobject.c
index 72b79c9..bfb7ec7 100644
--- a/Objects/tupleobject.c
+++ b/Objects/tupleobject.c
@@ -86,7 +86,7 @@
         {
             return PyErr_NoMemory();
         }
-        nbytes += sizeof(PyTupleObject) - sizeof(PyObject *);
+        /* nbytes += sizeof(PyTupleObject) - sizeof(PyObject *); */
 
         op = PyObject_GC_NewVar(PyTupleObject, &PyTuple_Type, size);
         if (op == NULL)