python
diff --git a/‎.github/workflows/regen-abidump.sh
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diff --git a/‎.gitignore
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diff --git a/‎Doc/whatsnew/3.12.rst
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diff --git a/‎Lib/_pyio.py
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diff --git a/‎Lib/io.py
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diff --git a/‎Lib/test/test_io.py
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@@ -0,0 +1,8 @@
+set -ex
+
+export DEBIAN_FRONTEND=noninteractive
+./.github/workflows/posix-deps-apt.sh
+apt-get install -yq abigail-tools python3
+export CFLAGS="-g3 -O0"
+./configure --enable-shared && make
+make regen-abidump
@@ -150,3 +150,6 @@ Python/frozen_modules/MANIFEST
 # Ignore ./python binary on Unix but still look into ./Python/ directory.
 /python
 !/Python/
+
+# main branch only: ABI files are not checked/maintained
+Doc/data/python*.abi
@@ -216,6 +216,12 @@ Removed
 
 .. _aiosmtpd: https://pypi.org/project/aiosmtpd/
 
+* Remove ``io.OpenWrapper`` and ``_pyio.OpenWrapper``, deprecated in Python
+  3.10: just use :func:`open` instead. The :func:`open` (:func:`io.open`)
+  function is a built-in function. Since Python 3.10, :func:`_pyio.open` is
+  also a static method.
+  (Contributed by Victor Stinner in :gh:`94169`.)
+
 
 Porting to Python 3.12
 ======================
 
@@ -303,22 +303,6 @@ def _open_code_with_warning(path):
     open_code = _open_code_with_warning
 
 
-def __getattr__(name):
-    if name == "OpenWrapper":
-        # bpo-43680: Until Python 3.9, _pyio.open was not a static method and
-        # builtins.open was set to OpenWrapper to not become a bound method
-        # when set to a class variable. _io.open is a built-in function whereas
-        # _pyio.open is a Python function. In Python 3.10, _pyio.open() is now
-        # a static method, and builtins.open() is now io.open().
-        import warnings
-        warnings.warn('OpenWrapper is deprecated, use open instead',
-                      DeprecationWarning, stacklevel=2)
-        global OpenWrapper
-        OpenWrapper = open
-        return OpenWrapper
-    raise AttributeError(f"module {__name__!r} has no attribute {name!r}")
-
-
 # In normal operation, both `UnsupportedOperation`s should be bound to the
 # same object.
 try:
 
@@ -57,22 +57,6 @@
                  IncrementalNewlineDecoder, text_encoding, TextIOWrapper)
 
 
-def __getattr__(name):
-    if name == "OpenWrapper":
-        # bpo-43680: Until Python 3.9, _pyio.open was not a static method and
-        # builtins.open was set to OpenWrapper to not become a bound method
-        # when set to a class variable. _io.open is a built-in function whereas
-        # _pyio.open is a Python function. In Python 3.10, _pyio.open() is now
-        # a static method, and builtins.open() is now io.open().
-        import warnings
-        warnings.warn('OpenWrapper is deprecated, use open instead',
-                      DeprecationWarning, stacklevel=2)
-        global OpenWrapper
-        OpenWrapper = open
-        return OpenWrapper
-    raise AttributeError("module {__name__!r} has no attribute {name!r}")
-
-
 # Pretend this exception was created here.
 UnsupportedOperation.__module__ = "io"
 
 
@@ -4301,14 +4301,6 @@ def test_text_encoding(self):
         proc = assert_python_ok('-X', 'utf8=1', '-c', code)
         self.assertEqual(b"utf-8", proc.out.strip())
 
-    @support.cpython_only
-    # Depending if OpenWrapper was already created or not, the warning is
-    # emitted or not. For example, the attribute is already created when this
-    # test is run multiple times.
-    @warnings_helper.ignore_warnings(category=DeprecationWarning)
-    def test_openwrapper(self):
-        self.assertIs(self.io.OpenWrapper, self.io.open)
-
 
 class CMiscIOTest(MiscIOTest):
     io = io