diff --git a/Makefile b/Makefile
index fbb0f23..bb079c6 100644
--- a/Makefile
+++ b/Makefile
@@ -24,5 +24,4 @@ COMMAND.COM: command.asm
 	dosbox -exit mk-comma.bat
 
 clean:
-	rm -f ordos.img
-	dosbox -exit clean.bat
+	rm -f ordos.img *.OBJ *.EXE *.COM *.BIN *.SYS