diff --git a/Makefile b/Makefile
index daf3902..a8db282 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,13 @@
 CC ?= clang
 CFLAGS = -O0 -g -Wall -Wextra
 
+.PHONY: all
+all: day_1
+
+clean:
+	rm -rf *.o
+	rm -rf day_1
+
 %.o: %.c
 	$(CC) $(CFLAGS) -c -o $@ $<