diff --git a/Objects/floatobject.c b/Objects/floatobject.c
index 3a881c3..9267b9f 100644
--- a/Objects/floatobject.c
+++ b/Objects/floatobject.c
@@ -1563,18 +1563,13 @@
 float_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
 {
     PyObject *x = Py_False; /* Integer zero */
-    static char *kwlist[] = {"x", 0};
 
     if (type != &PyFloat_Type)
         return float_subtype_new(type, args, kwds); /* Wimp out */
-    if (!PyArg_ParseTupleAndKeywords(args, kwds, "|O:float", kwlist, &x))
+    if (!_PyArg_NoKeywords("float()", kwds))
         return NULL;
-    if (kwds != NULL && PyDict_GET_SIZE(kwds) != 0) {
-        if (PyErr_Warn(PyExc_DeprecationWarning,
-                "Using 'x' as a keyword argument is deprecated; "
-                "specify the value as a positional argument instead") < 0)
-            return NULL;
-    }
+    if (!PyArg_UnpackTuple(args, "float", 0, 1, &x))
+        return NULL;
     /* If it's a string, but not a string subclass, use
        PyFloat_FromString. */
     if (PyUnicode_CheckExact(x))