diff --git a/ivlpp/Makefile.in b/ivlpp/Makefile.in
index 48d598d300..5ff4c360ea 100644
--- a/ivlpp/Makefile.in
+++ b/ivlpp/Makefile.in
@@ -18,7 +18,7 @@
 #    59 Temple Place - Suite 330
 #    Boston, MA 02111-1307, USA
 #
-#ident "$Id: Makefile.in,v 1.4 1999/07/28 03:17:03 steve Exp $"
+#ident "$Id: Makefile.in,v 1.5 1999/07/30 00:42:33 steve Exp $"
 #
 #
 SHELL = /bin/sh
@@ -46,6 +46,9 @@ LDFLAGS = @LDFLAGS@
 
 all: ivlpp
 
+clean:
+	rm -f *.o lexor.c parse.c parse.h parse.output
+
 O = main.o lexor.o parse.o
 
 ivlpp: $O