--- ira/make.rules	2015-09-11 09:25:13.000000000 +0200
+++ ira/make.rules	2015-09-11 09:22:43.000000000 +0200
@@ -18,6 +18,7 @@
 
 clean:
 	$(RM) ira$(OS)$(EXT) $(OBJS)
+	$(RM) *~
 
 FILES	= ira_68k ira_mos ira_os4 ira.readme ira.doc ira.c ira.h ira_2.c \
           make.rules Makefile Makefile.mos Makefile.os3 Makefile.os4 \