diff --git a/ObsoleteFiles.inc b/ObsoleteFiles.inc
index 5020ca9582b8..8de11ce1f1ea 100644
--- a/ObsoleteFiles.inc
+++ b/ObsoleteFiles.inc
@@ -38,6 +38,8 @@
 #   xargs -n1 | sort | uniq -d;
 # done
 
+# 20180319: remove /boot/overlays, replaced by /boot/dtb/overlays
+OLD_DIRS+=boot/overlays
 # 20180311: remove sys/sys/i386/include/pcaudioio.h
 .if ${TARGET_ARCH} == "i386"
 OLD_FILES+=usr/include/machine/pcaudioio.h