diff --git a/UPDATING b/UPDATING
index 1872296d1dc5..d85757bb8a2b 100644
--- a/UPDATING
+++ b/UPDATING
@@ -31,6 +31,11 @@ NOTE TO PEOPLE WHO THINK THAT FreeBSD 12.x IS SLOW:
 	disable the most expensive debugging functionality run
 	"ln -s 'abort:false,junk:false' /etc/malloc.conf".)
 
+20180727:
+	Atmel AT91RM9200 and AT91SAM9, Cavium CNS 11xx and XScale
+	support has been removed from the tree. These ports were
+	obsolete and/or known to be broken for many years.
+
 20180723:
 	loader.efi has been augmented to participate more fully in the
 	UEFI boot manager protocol. loader.efi will now look at the