diff --git a/usr.bin/Makefile b/usr.bin/Makefile
index b1e4b83ee093..557c4078bc5c 100644
--- a/usr.bin/Makefile
+++ b/usr.bin/Makefile
@@ -284,8 +284,10 @@ SUBDIR+=	iscsictl
 
 .if ${MK_KDUMP} != "no"
 SUBDIR+=        kdump
+.if ${MACHINE_ARCH} != "aarch64" # ARM64TODO truss does not build
 SUBDIR+=        truss
 .endif
+.endif
 
 .if ${MK_KERBEROS_SUPPORT} != "no"
 SUBDIR+=	compile_et
@@ -382,13 +384,17 @@ SUBDIR+=	c89
 SUBDIR+=	c99
 SUBDIR+=	ctags
 SUBDIR+=	file2c
+.if ${MACHINE_ARCH} != "aarch64" # ARM64TODO gprof does not build
 SUBDIR+=	gprof
+.endif
 SUBDIR+=	indent
 SUBDIR+=	lex
 SUBDIR+=	mkstr
 SUBDIR+=	rpcgen
 SUBDIR+=	unifdef
+.if ${MACHINE_ARCH} != "aarch64" # ARM64TODO xlint does not build
 SUBDIR+=	xlint
+.endif
 SUBDIR+=	xstr
 SUBDIR+=	yacc
 .endif