Reverted 62397; no versionadded/changed in 3.0 docs
diff --git a/Doc/library/io.rst b/Doc/library/io.rst
index 2e23653..4fb79b9 100644
--- a/Doc/library/io.rst
+++ b/Doc/library/io.rst
@@ -7,7 +7,6 @@
.. moduleauthor:: Mike Verdone <mike.verdone@gmail.com>
.. moduleauthor:: Mark Russell <mark.russell@zen.co.uk>
.. sectionauthor:: Benjamin Peterson
-.. versionadded:: 2.6
The :mod:`io` module provides the Python interfaces to stream handling. The
builtin :func:`open` function is defined in this module.