diff --git a/src/sys/boot/Makefile b/src/sys/boot/Makefile
index 10a6044..d634e0d 100755
--- a/src/sys/boot/Makefile
+++ b/src/sys/boot/Makefile
@@ -7,4 +7,6 @@
 install:
  
 clean:
-	(rm -f writeimg format bootsec *.core)
+	(rm -f writeimg format bootsec *.core boot2/test)
+	(cd boot2;make clean)
+	(cd btx;make clean)