Index: shells/ksh93/Makefile
===================================================================
--- shells/ksh93/Makefile
+++ shells/ksh93/Makefile
@@ -23,6 +23,8 @@
 COMMENT=	Official AT&T release of KornShell 93
 
 LICENSE=	EPL
+DEPRECATED=	Contains many bugs, superceeded by ksh93-devel
+EXPIRATION_DATE=	2019-03-31
 
 CONFLICTS=	ksh93-devel-*