#9388: remove ERA_YEAR which is never defined in the source code.
diff --git a/Doc/library/locale.rst b/Doc/library/locale.rst
index b536515..b9c001f 100644
--- a/Doc/library/locale.rst
+++ b/Doc/library/locale.rst
@@ -244,10 +244,6 @@
       specified, and therefore you should not assume knowledge of it on different
       systems.
 
-   .. data:: ERA_YEAR
-
-      Get the year in the relevant era of the locale.
-
    .. data:: ERA_D_T_FMT
 
       Get a format string for :func:`strftime` to represent dates and times in a