diff --git a/Makefile.inc1 b/Makefile.inc1
index feb2f1c6baf1..567f9d55cf9e 100644
--- a/Makefile.inc1
+++ b/Makefile.inc1
@@ -62,7 +62,10 @@ SUBDIR+=secure
 .if !defined(NOSHARE)
 SUBDIR+=share
 .endif
-SUBDIR+=sys usr.bin usr.sbin etc
+.if ${TARGET_ARCH} == "alpha"
+SUBDIR+=sys
+.endif
+SUBDIR+=usr.bin usr.sbin etc
 
 # These are last, since it is nice to at least get the base system
 # rebuilt before you do them.