--- a/Makefile
+++ b/Makefile
@@ -13,16 +13,10 @@
 #CC=gcc -Wall -g
 #LEX=flex
 
-pscan: scanner.yy.o pscan.o
-	$(CC) scanner.yy.o pscan.o -o pscan
-
-scanner.yy.o: scanner.yy.c
-	$(CC) -c scanner.yy.c -o scanner.yy.o
+pscan: scanner.yy.o
 
 scanner.yy.c: scanner.l
 	$(LEX) -t scanner.l > scanner.yy.c
 
-pscan.o: pscan.c pscan.h
-
 clean:
 	rm -f *.o *~ pscan scanner.yy.c core