diff --git a/c_primer_plus/chapter03/Makefile b/c_primer_plus/chapter03/Makefile
index 4d59a80..a3e7363 100644
--- a/c_primer_plus/chapter03/Makefile
+++ b/c_primer_plus/chapter03/Makefile
@@ -1,9 +1,6 @@
 SRC := $(shell ls *.c)
 
 
-.PHONY: all
-all:
-
 
 %: %.c
 	gcc -Wall -Wextra $@.c -o $@