diff --git a/Modules/_struct.c b/Modules/_struct.c
index 872c30d659d..69de080f438 100644
--- a/Modules/_struct.c
+++ b/Modules/_struct.c
@@ -1475,7 +1475,6 @@ Struct___init___impl(PyStructObject *self, PyObject *format)
         if (format == NULL)
             return -1;
     }
-    /* XXX support buffer interface, too */
     else {
         Py_INCREF(format);
     }