diff --git a/Include/cpython/abstract.h b/Include/cpython/abstract.h
index c9a8a07..e9a2319 100644
--- a/Include/cpython/abstract.h
+++ b/Include/cpython/abstract.h
@@ -156,6 +156,13 @@
     PyObject *name, PyObject *const *args,
     size_t nargsf, PyObject *kwnames);
 
+static inline PyObject *
+_PyObject_CallMethodNoArgs(PyObject *self, PyObject *name)
+{
+    return _PyObject_VectorcallMethod(name, &self,
+           1 | PY_VECTORCALL_ARGUMENTS_OFFSET, NULL);
+}
+
 /* Like PyObject_CallMethod(), but expect a _Py_Identifier*
    as the method name. */
 PyAPI_FUNC(PyObject *) _PyObject_CallMethodId(PyObject *obj,
@@ -184,6 +191,13 @@
     return _PyObject_VectorcallMethod(oname, args, nargsf, kwnames);
 }
 
+static inline PyObject *
+_PyObject_CallMethodIdNoArgs(PyObject *self, _Py_Identifier *name)
+{
+    return _PyObject_VectorcallMethodId(name, &self,
+           1 | PY_VECTORCALL_ARGUMENTS_OFFSET, NULL);
+}
+
 PyAPI_FUNC(int) _PyObject_HasLen(PyObject *o);
 
 /* Guess the size of object 'o' using len(o) or o.__length_hint__().