diff --git a/Doc/library/sys.rst b/Doc/library/sys.rst
index 4ad060fc639e5e..9b10738c64e442 100644
--- a/Doc/library/sys.rst
+++ b/Doc/library/sys.rst
@@ -333,9 +333,6 @@ always available.
       has caught :exc:`SystemExit` (such as an error flushing buffered data
       in the standard streams), the exit status is changed to 120.
 
-   .. versionchanged:: 3.7
-      Added ``utf8_mode`` attribute for the new :option:`-X` ``utf8`` flag.
-
 
 .. data:: flags