diff --git a/Modules/clinic/posixmodule.c.h b/Modules/clinic/posixmodule.c.h
index c3e7f86b3e33f1..ed9fab19185bc9 100644
--- a/Modules/clinic/posixmodule.c.h
+++ b/Modules/clinic/posixmodule.c.h
@@ -10663,22 +10663,18 @@ PyDoc_STRVAR(os_DirEntry_is_symlink__doc__,
 "Return True if the entry is a symbolic link; cached per entry.");
 
 #define OS_DIRENTRY_IS_SYMLINK_METHODDEF    \
-    {"is_symlink", _PyCFunction_CAST(os_DirEntry_is_symlink), METH_METHOD|METH_FASTCALL|METH_KEYWORDS, os_DirEntry_is_symlink__doc__},
+    {"is_symlink", (PyCFunction)os_DirEntry_is_symlink, METH_NOARGS, os_DirEntry_is_symlink__doc__},
 
 static int
-os_DirEntry_is_symlink_impl(DirEntry *self, PyTypeObject *defining_class);
+os_DirEntry_is_symlink_impl(DirEntry *self);
 
 static PyObject *
-os_DirEntry_is_symlink(DirEntry *self, PyTypeObject *defining_class, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
+os_DirEntry_is_symlink(DirEntry *self, PyObject *Py_UNUSED(ignored))
 {
     PyObject *return_value = NULL;
     int _return_value;
 
-    if (nargs) {
-        PyErr_SetString(PyExc_TypeError, "is_symlink() takes no arguments");
-        goto exit;
-    }
-    _return_value = os_DirEntry_is_symlink_impl(self, defining_class);
+    _return_value = os_DirEntry_is_symlink_impl(self);
     if ((_return_value == -1) && PyErr_Occurred()) {
         goto exit;
     }
@@ -11988,4 +11984,4 @@ os_waitstatus_to_exitcode(PyObject *module, PyObject *const *args, Py_ssize_t na
 #ifndef OS_WAITSTATUS_TO_EXITCODE_METHODDEF
     #define OS_WAITSTATUS_TO_EXITCODE_METHODDEF
 #endif /* !defined(OS_WAITSTATUS_TO_EXITCODE_METHODDEF) */
-/*[clinic end generated code: output=1dd5aa7495cd6e3a input=a9049054013a1b77]*/
+/*[clinic end generated code: output=748f5b2210b5d55e input=a9049054013a1b77]*/
diff --git a/Modules/posixmodule.c b/Modules/posixmodule.c
index c4340397fbe577..e66877980c8fe4 100644
--- a/Modules/posixmodule.c
+++ b/Modules/posixmodule.c
@@ -14550,15 +14550,13 @@ DirEntry_test_mode(PyTypeObject *defining_class, DirEntry *self,
 
 /*[clinic input]
 os.DirEntry.is_symlink -> bool
-    defining_class: defining_class
-    /
 
 Return True if the entry is a symbolic link; cached per entry.
 [clinic start generated code]*/
 
 static int
-os_DirEntry_is_symlink_impl(DirEntry *self, PyTypeObject *defining_class)
-/*[clinic end generated code: output=293096d589b6d47c input=e9acc5ee4d511113]*/
+os_DirEntry_is_symlink_impl(DirEntry *self)
+/*[clinic end generated code: output=42244667d7bcfc25 input=1605a1b4b96976c3]*/
 {
 #ifdef MS_WINDOWS
     return (self->win32_lstat.st_mode & S_IFMT) == S_IFLNK;