diff --git a/Makefile b/Makefile
index adb1978..a31b01d 100644
--- a/Makefile
+++ b/Makefile
@@ -182,8 +182,8 @@ fs.img: mkfs README $(UPROGS)
 clean: 
 	rm -f *.tex *.dvi *.idx *.aux *.log *.ind *.ilg \
 	*.o *.d *.asm *.sym vectors.S bootblock entryother \
-	initcode initcode.out kernel xv6.img fs.img kernelmemfs mkfs \
-	.gdbinit \
+	initcode initcode.out kernel xv6.img fs.img kernelmemfs \
+	xv6memfs.img mkfs .gdbinit \
 	$(UPROGS)
 
 # make a printout