diff --git a/sys/dts/Makefile b/sys/dts/Makefile
index 9025c04ba4a6..66f65a712fe4 100644
--- a/sys/dts/Makefile
+++ b/sys/dts/Makefile
@@ -1,5 +1,5 @@
 # $FreeBSD$
 
-SUBDIR=arm arm64 mips powerpc
+SUBDIR=arm mips powerpc
 
 .include <bsd.subdir.mk>