--- a/Makefile
+++ b/Makefile
@@ -34,9 +34,7 @@ CFLAGS+=-DPCAP
 LIBS+=-lpcap
 endif
 
-buildstamp=.build_debug$(DEBUG)pcap$(PCAP)
-
-all: $(buildstamp) $(NAME)
+all: $(NAME)
 
 # include dependencies
 average.o: average.h util.h
@@ -73,7 +71,3 @@ clean:
 	-rm -f *.o *~
 	-rm -f $(NAME)
 	-rm -f .build_*
-
-$(buildstamp):
-	make clean
-	touch $@