diff --git a/Doc/c-api/exceptions.rst b/Doc/c-api/exceptions.rst
index e7805ba..b4722ff 100644
--- a/Doc/c-api/exceptions.rst
+++ b/Doc/c-api/exceptions.rst
@@ -637,11 +637,21 @@
    *object*, *length*, *start*, *end* and *reason*. *encoding* and *reason* are
    UTF-8 encoded strings.
 
+   .. deprecated:: 3.3 3.11
+
+      ``Py_UNICODE`` is deprecated since Python 3.3. Please migrate to
+      ``PyObject_CallFunction(PyExc_UnicodeEncodeError, "sOnns", ...)``.
+
 .. c:function:: PyObject* PyUnicodeTranslateError_Create(const Py_UNICODE *object, Py_ssize_t length, Py_ssize_t start, Py_ssize_t end, const char *reason)
 
    Create a :class:`UnicodeTranslateError` object with the attributes *object*,
    *length*, *start*, *end* and *reason*. *reason* is a UTF-8 encoded string.
 
+   .. deprecated:: 3.3 3.11
+
+      ``Py_UNICODE`` is deprecated since Python 3.3. Please migrate to
+      ``PyObject_CallFunction(PyExc_UnicodeTranslateError, "Onns", ...)``.
+
 .. c:function:: PyObject* PyUnicodeDecodeError_GetEncoding(PyObject *exc)
                 PyObject* PyUnicodeEncodeError_GetEncoding(PyObject *exc)
 
diff --git a/Include/cpython/pyerrors.h b/Include/cpython/pyerrors.h
index dd3c2ca..9c87b53 100644
--- a/Include/cpython/pyerrors.h
+++ b/Include/cpython/pyerrors.h
@@ -149,7 +149,10 @@
     PyObject *filename,
     int lineno);
 
-/* Create a UnicodeEncodeError object */
+/* Create a UnicodeEncodeError object.
+ *
+ * TODO: This API will be removed in Python 3.11.
+ */
 Py_DEPRECATED(3.3) PyAPI_FUNC(PyObject *) PyUnicodeEncodeError_Create(
     const char *encoding,       /* UTF-8 encoded string */
     const Py_UNICODE *object,
@@ -159,7 +162,10 @@
     const char *reason          /* UTF-8 encoded string */
     );
 
-/* Create a UnicodeTranslateError object */
+/* Create a UnicodeTranslateError object.
+ *
+ * TODO: This API will be removed in Python 3.11.
+ */
 Py_DEPRECATED(3.3) PyAPI_FUNC(PyObject *) PyUnicodeTranslateError_Create(
     const Py_UNICODE *object,
     Py_ssize_t length,