diff --git a/share/mk/bsd.opts.mk b/share/mk/bsd.opts.mk
--- a/share/mk/bsd.opts.mk
+++ b/share/mk/bsd.opts.mk
@@ -112,26 +112,6 @@
 
 .include <bsd.mkopt.mk>
 
-#
-# Supported NO_* options (if defined, MK_* will be forced to "no",
-# regardless of user's setting).
-#
-# These are transitional and will disappaer in the FreeBSD 12.
-#
-.for var in \
-    CTF \
-    DEBUG_FILES \
-    INSTALLLIB \
-    MAN \
-    PROFILE \
-    WARNS \
-    WERROR
-.if defined(NO_${var})
-.error NO_${var} is defined, but deprecated. Please use MK_${var}=no instead.
-MK_${var}:=no
-.endif
-.endfor
-
 .include <bsd.cpu.mk>
 
 .endif # !_WITHOUT_SRCCONF