diff --git a/Doc/c-api/typehints.rst b/Doc/c-api/typehints.rst
index dfda96a4724..8b0b9b651e8 100644
--- a/Doc/c-api/typehints.rst
+++ b/Doc/c-api/typehints.rst
@@ -31,7 +31,7 @@ two types exist -- :ref:`GenericAlias <types-genericalias>` and
       static PyMethodDef my_obj_methods[] = {
           // Other methods.
           ...
-          {"__class_getitem__", (PyCFunction)Py_GenericAlias, METH_O|METH_CLASS, "See PEP 585"}
+          {"__class_getitem__", Py_GenericAlias, METH_O|METH_CLASS, "See PEP 585"}
           ...
       }
 
diff --git a/Modules/_collectionsmodule.c b/Modules/_collectionsmodule.c
index 57e3464145b..01522cd4945 100644
--- a/Modules/_collectionsmodule.c
+++ b/Modules/_collectionsmodule.c
@@ -1636,7 +1636,7 @@ static PyMethodDef deque_methods[] = {
         METH_FASTCALL,            rotate_doc},
     {"__sizeof__",              (PyCFunction)deque_sizeof,
         METH_NOARGS,             sizeof_doc},
-    {"__class_getitem__",       (PyCFunction)Py_GenericAlias,
+    {"__class_getitem__",       Py_GenericAlias,
         METH_O|METH_CLASS,       PyDoc_STR("See PEP 585")},
     {NULL,              NULL}   /* sentinel */
 };
@@ -2104,7 +2104,7 @@ static PyMethodDef defdict_methods[] = {
      defdict_copy_doc},
     {"__reduce__", (PyCFunction)defdict_reduce, METH_NOARGS,
      reduce_doc},
-    {"__class_getitem__", (PyCFunction)Py_GenericAlias, METH_O|METH_CLASS,
+    {"__class_getitem__", Py_GenericAlias, METH_O|METH_CLASS,
      PyDoc_STR("See PEP 585")},
     {NULL}
 };
diff --git a/Modules/_ctypes/_ctypes.c b/Modules/_ctypes/_ctypes.c
index b31e9129334..1d6358c9109 100644
--- a/Modules/_ctypes/_ctypes.c
+++ b/Modules/_ctypes/_ctypes.c
@@ -4795,7 +4795,7 @@ Array_length(PyObject *myself)
 }
 
 static PyMethodDef Array_methods[] = {
-    {"__class_getitem__",    (PyCFunction)Py_GenericAlias,
+    {"__class_getitem__",    Py_GenericAlias,
     METH_O|METH_CLASS,       PyDoc_STR("See PEP 585")},
     { NULL, NULL }
 };
diff --git a/Modules/_functoolsmodule.c b/Modules/_functoolsmodule.c
index a93c0be6a14..d6dfefdd877 100644
--- a/Modules/_functoolsmodule.c
+++ b/Modules/_functoolsmodule.c
@@ -465,7 +465,7 @@ partial_setstate(partialobject *pto, PyObject *state)
 static PyMethodDef partial_methods[] = {
     {"__reduce__", (PyCFunction)partial_reduce, METH_NOARGS},
     {"__setstate__", (PyCFunction)partial_setstate, METH_O},
-    {"__class_getitem__",    (PyCFunction)Py_GenericAlias,
+    {"__class_getitem__",    Py_GenericAlias,
     METH_O|METH_CLASS,       PyDoc_STR("See PEP 585")},
     {NULL,              NULL}           /* sentinel */
 };
diff --git a/Modules/_queuemodule.c b/Modules/_queuemodule.c
index a124255a72c..58772d7f0f5 100644
--- a/Modules/_queuemodule.c
+++ b/Modules/_queuemodule.c
@@ -356,7 +356,7 @@ static PyMethodDef simplequeue_methods[] = {
     _QUEUE_SIMPLEQUEUE_PUT_METHODDEF
     _QUEUE_SIMPLEQUEUE_PUT_NOWAIT_METHODDEF
     _QUEUE_SIMPLEQUEUE_QSIZE_METHODDEF
-    {"__class_getitem__",    (PyCFunction)Py_GenericAlias,
+    {"__class_getitem__",    Py_GenericAlias,
     METH_O|METH_CLASS,       PyDoc_STR("See PEP 585")},
     {NULL,           NULL}              /* sentinel */
 };
diff --git a/Modules/_sre.c b/Modules/_sre.c
index d863ae0264b..f4ec862dcab 100644
--- a/Modules/_sre.c
+++ b/Modules/_sre.c
@@ -2708,7 +2708,7 @@ static PyMethodDef pattern_methods[] = {
     _SRE_SRE_PATTERN_SCANNER_METHODDEF
     _SRE_SRE_PATTERN___COPY___METHODDEF
     _SRE_SRE_PATTERN___DEEPCOPY___METHODDEF
-    {"__class_getitem__", (PyCFunction)Py_GenericAlias, METH_O|METH_CLASS,
+    {"__class_getitem__", Py_GenericAlias, METH_O|METH_CLASS,
      PyDoc_STR("See PEP 585")},
     {NULL, NULL}
 };
@@ -2764,7 +2764,7 @@ static PyMethodDef match_methods[] = {
     _SRE_SRE_MATCH_EXPAND_METHODDEF
     _SRE_SRE_MATCH___COPY___METHODDEF
     _SRE_SRE_MATCH___DEEPCOPY___METHODDEF
-    {"__class_getitem__", (PyCFunction)Py_GenericAlias, METH_O|METH_CLASS,
+    {"__class_getitem__", Py_GenericAlias, METH_O|METH_CLASS,
      PyDoc_STR("See PEP 585")},
     {NULL, NULL}
 };
diff --git a/Modules/itertoolsmodule.c b/Modules/itertoolsmodule.c
index ec0aa76fa57..0df179673a1 100644
--- a/Modules/itertoolsmodule.c
+++ b/Modules/itertoolsmodule.c
@@ -2165,7 +2165,7 @@ static PyMethodDef chain_methods[] = {
      reduce_doc},
     {"__setstate__",    (PyCFunction)chain_setstate,    METH_O,
      setstate_doc},
-    {"__class_getitem__",    (PyCFunction)Py_GenericAlias,
+    {"__class_getitem__",    Py_GenericAlias,
     METH_O|METH_CLASS,       PyDoc_STR("See PEP 585")},
     {NULL,              NULL}           /* sentinel */
 };
diff --git a/Modules/posixmodule.c b/Modules/posixmodule.c
index 609f10ba3bd..bd38bea4c6c 100644
--- a/Modules/posixmodule.c
+++ b/Modules/posixmodule.c
@@ -13779,7 +13779,7 @@ static PyMethodDef DirEntry_methods[] = {
     OS_DIRENTRY_STAT_METHODDEF
     OS_DIRENTRY_INODE_METHODDEF
     OS_DIRENTRY___FSPATH___METHODDEF
-    {"__class_getitem__",       (PyCFunction)Py_GenericAlias,
+    {"__class_getitem__",       Py_GenericAlias,
     METH_O|METH_CLASS,          PyDoc_STR("See PEP 585")},
     {NULL}
 };
diff --git a/Objects/descrobject.c b/Objects/descrobject.c
index 0565992bdb7..4ed36e94b3f 100644
--- a/Objects/descrobject.c
+++ b/Objects/descrobject.c
@@ -1144,7 +1144,7 @@ static PyMethodDef mappingproxy_methods[] = {
      PyDoc_STR("D.items() -> list of D's (key, value) pairs, as 2-tuples")},
     {"copy",      (PyCFunction)mappingproxy_copy,       METH_NOARGS,
      PyDoc_STR("D.copy() -> a shallow copy of D")},
-    {"__class_getitem__", (PyCFunction)Py_GenericAlias, METH_O|METH_CLASS,
+    {"__class_getitem__", Py_GenericAlias, METH_O|METH_CLASS,
      PyDoc_STR("See PEP 585")},
     {"__reversed__", (PyCFunction)mappingproxy_reversed, METH_NOARGS,
      PyDoc_STR("D.__reversed__() -> reverse iterator")},
diff --git a/Objects/dictobject.c b/Objects/dictobject.c
index 85122eca7b7..ae0098be5b5 100644
--- a/Objects/dictobject.c
+++ b/Objects/dictobject.c
@@ -3294,7 +3294,7 @@ static PyMethodDef mapp_methods[] = {
     {"copy",            (PyCFunction)dict_copy,         METH_NOARGS,
      copy__doc__},
     DICT___REVERSED___METHODDEF
-    {"__class_getitem__", (PyCFunction)Py_GenericAlias, METH_O|METH_CLASS, PyDoc_STR("See PEP 585")},
+    {"__class_getitem__", Py_GenericAlias, METH_O|METH_CLASS, PyDoc_STR("See PEP 585")},
     {NULL,              NULL}   /* sentinel */
 };
 
diff --git a/Objects/enumobject.c b/Objects/enumobject.c
index 98ece3f13fc..0ebaf5ea1fc 100644
--- a/Objects/enumobject.c
+++ b/Objects/enumobject.c
@@ -213,7 +213,7 @@ PyDoc_STRVAR(reduce_doc, "Return state information for pickling.");
 
 static PyMethodDef enum_methods[] = {
     {"__reduce__", (PyCFunction)enum_reduce, METH_NOARGS, reduce_doc},
-    {"__class_getitem__",    (PyCFunction)Py_GenericAlias,
+    {"__class_getitem__",    Py_GenericAlias,
     METH_O|METH_CLASS,       PyDoc_STR("See PEP 585")},
     {NULL,              NULL}           /* sentinel */
 };
diff --git a/Objects/genobject.c b/Objects/genobject.c
index 7a687ce7f7c..be9238d9b6c 100644
--- a/Objects/genobject.c
+++ b/Objects/genobject.c
@@ -1499,7 +1499,7 @@ static PyMethodDef async_gen_methods[] = {
     {"asend", (PyCFunction)async_gen_asend, METH_O, async_asend_doc},
     {"athrow",(PyCFunction)async_gen_athrow, METH_VARARGS, async_athrow_doc},
     {"aclose", (PyCFunction)async_gen_aclose, METH_NOARGS, async_aclose_doc},
-    {"__class_getitem__",    (PyCFunction)Py_GenericAlias,
+    {"__class_getitem__",    Py_GenericAlias,
     METH_O|METH_CLASS,       PyDoc_STR("See PEP 585")},
     {NULL, NULL}        /* Sentinel */
 };
diff --git a/Objects/listobject.c b/Objects/listobject.c
index 565c11e7f38..e7c4742f1db 100644
--- a/Objects/listobject.c
+++ b/Objects/listobject.c
@@ -2843,7 +2843,7 @@ static PyMethodDef list_methods[] = {
     LIST_COUNT_METHODDEF
     LIST_REVERSE_METHODDEF
     LIST_SORT_METHODDEF
-    {"__class_getitem__", (PyCFunction)Py_GenericAlias, METH_O|METH_CLASS, PyDoc_STR("See PEP 585")},
+    {"__class_getitem__", Py_GenericAlias, METH_O|METH_CLASS, PyDoc_STR("See PEP 585")},
     {NULL,              NULL}           /* sentinel */
 };
 
diff --git a/Objects/setobject.c b/Objects/setobject.c
index af521b2baca..a3cdd33664d 100644
--- a/Objects/setobject.c
+++ b/Objects/setobject.c
@@ -2047,7 +2047,7 @@ static PyMethodDef set_methods[] = {
      union_doc},
     {"update",          (PyCFunction)set_update,        METH_VARARGS,
      update_doc},
-    {"__class_getitem__", (PyCFunction)Py_GenericAlias, METH_O|METH_CLASS, PyDoc_STR("See PEP 585")},
+    {"__class_getitem__", Py_GenericAlias, METH_O|METH_CLASS, PyDoc_STR("See PEP 585")},
     {NULL,              NULL}   /* sentinel */
 };
 
@@ -2161,7 +2161,7 @@ static PyMethodDef frozenset_methods[] = {
      symmetric_difference_doc},
     {"union",           (PyCFunction)set_union,         METH_VARARGS,
      union_doc},
-    {"__class_getitem__", (PyCFunction)Py_GenericAlias, METH_O|METH_CLASS, PyDoc_STR("See PEP 585")},
+    {"__class_getitem__", Py_GenericAlias, METH_O|METH_CLASS, PyDoc_STR("See PEP 585")},
     {NULL,              NULL}   /* sentinel */
 };
 
diff --git a/Objects/tupleobject.c b/Objects/tupleobject.c
index b7fd421196d..3e3aea47cc2 100644
--- a/Objects/tupleobject.c
+++ b/Objects/tupleobject.c
@@ -887,7 +887,7 @@ static PyMethodDef tuple_methods[] = {
     TUPLE___GETNEWARGS___METHODDEF
     TUPLE_INDEX_METHODDEF
     TUPLE_COUNT_METHODDEF
-    {"__class_getitem__", (PyCFunction)Py_GenericAlias, METH_O|METH_CLASS, PyDoc_STR("See PEP 585")},
+    {"__class_getitem__", Py_GenericAlias, METH_O|METH_CLASS, PyDoc_STR("See PEP 585")},
     {NULL,              NULL}           /* sentinel */
 };
 
diff --git a/Objects/weakrefobject.c b/Objects/weakrefobject.c
index bb56c7dbdb8..89227689752 100644
--- a/Objects/weakrefobject.c
+++ b/Objects/weakrefobject.c
@@ -363,7 +363,7 @@ static PyMemberDef weakref_members[] = {
 };
 
 static PyMethodDef weakref_methods[] = {
-    {"__class_getitem__",    (PyCFunction)Py_GenericAlias,
+    {"__class_getitem__",    Py_GenericAlias,
     METH_O|METH_CLASS,       PyDoc_STR("See PEP 585")},
     {NULL} /* Sentinel */
 };
diff --git a/Python/context.c b/Python/context.c
index bf2ba93c14e..9560fb3f667 100644
--- a/Python/context.c
+++ b/Python/context.c
@@ -1049,7 +1049,7 @@ static PyMethodDef PyContextVar_methods[] = {
     _CONTEXTVARS_CONTEXTVAR_GET_METHODDEF
     _CONTEXTVARS_CONTEXTVAR_SET_METHODDEF
     _CONTEXTVARS_CONTEXTVAR_RESET_METHODDEF
-    {"__class_getitem__", (PyCFunction)Py_GenericAlias,
+    {"__class_getitem__", Py_GenericAlias,
     METH_O|METH_CLASS,       PyDoc_STR("See PEP 585")},
     {NULL, NULL}
 };
@@ -1190,7 +1190,7 @@ static PyGetSetDef PyContextTokenType_getsetlist[] = {
 };
 
 static PyMethodDef PyContextTokenType_methods[] = {
-    {"__class_getitem__",    (PyCFunction)Py_GenericAlias,
+    {"__class_getitem__",    Py_GenericAlias,
     METH_O|METH_CLASS,       PyDoc_STR("See PEP 585")},
     {NULL}
 };