diff --git a/Makefile b/Makefile
index 5590787..9715102 100644
--- a/Makefile
+++ b/Makefile
@@ -2,7 +2,6 @@ CC=gcc
 CFLAGS=-Wall -Werror
 CPPFLAGS+=-Isrc/include
 #LDFLAGS=-lm
-ODIR=obj
 SRC=src/sort.c
 OBJ=$(SRC:.c=.o)
 
@@ -18,8 +17,12 @@ ifneq (, $(shell which pdflatex))
 	mv doc/Informe.pdf Informe.pdf
 endif
 
-clean:
+clean: cleansort cleaninforme
+
+cleansort:
 	rm -f src/*.o sort Informe.pdf
+
+cleaninforme:
 	make -C doc clean
 
-.PHONY: all clean informe
+.PHONY: all sort informe clean cleansort cleaninforme