diff --git a/CHANGES.rst b/CHANGES.rst
new file mode 100644
index 0000000..e69de29
diff --git a/cpython b/cpython
index 86dac34..cdb5d84 160000
--- a/cpython
+++ b/cpython
@@ -1 +1 @@
-Subproject commit 86dac34bd6268714c2da9343a23cd0c8decdb7f0
+Subproject commit cdb5d842757eb777e45d8354abd7e377bb99ac22
diff --git a/pathlib_abc/_posixpath.py b/pathlib_abc/_posixpath.py
deleted file mode 100644
index 4b82a82..0000000
--- a/pathlib_abc/_posixpath.py
+++ /dev/null
@@ -1,31 +0,0 @@
-import os
-from posixpath import *
-
-
-def splitroot(p):
-    """Split a pathname into drive, root and tail. On Posix, drive is always
-    empty; the root may be empty, a single slash, or two slashes. The tail
-    contains anything after the root. For example:
-
-        splitroot('foo/bar') == ('', '', 'foo/bar')
-        splitroot('/foo/bar') == ('', '/', 'foo/bar')
-        splitroot('//foo/bar') == ('', '//', 'foo/bar')
-        splitroot('///foo/bar') == ('', '/', '//foo/bar')
-    """
-    p = os.fspath(p)
-    if isinstance(p, bytes):
-        sep = b'/'
-        empty = b''
-    else:
-        sep = '/'
-        empty = ''
-    if p[:1] != sep:
-        # Relative path, e.g.: 'foo'
-        return empty, empty, p
-    elif p[1:2] != sep or p[2:3] == sep:
-        # Absolute path, e.g.: '/foo', '///foo', '////foo', etc.
-        return empty, sep, p[1:]
-    else:
-        # Precisely two leading slashes, e.g.: '//foo'. Implementation defined per POSIX, see
-        # https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap04.html#tag_04_13
-        return empty, p[:2], p[2:]
diff --git a/tests/test_pathlib_abc.py b/tests/test_pathlib_abc.py
index 34034f4..4691b39 100644
--- a/tests/test_pathlib_abc.py
+++ b/tests/test_pathlib_abc.py
@@ -6,7 +6,7 @@
 import unittest
 
 from pathlib_abc import UnsupportedOperation, PathModuleBase, PurePathBase, PathBase
-from pathlib_abc import _posixpath as posixpath
+import posixpath
 
 TESTFN = "TESTFN"