diff --git a/Makefile b/Makefile
index c2ce0226e8113f29b971c3933e1a09d0fa593434..504fdef8e6ee5827038d126cb18a76cccba4e482 100644
--- a/Makefile
+++ b/Makefile
@@ -25,7 +25,7 @@ all: $(RESULT)
 	ocamlc -c $(OCAMLCFLAGS) -o $@ $<
 
 %.cmx: %.ml
-	ocamlfind ocamlopt -package batteries -c $(OCAMLCFLAGS) -o $@ $(<:.cmi=.ml)
+	ocamlfind ocamlopt -c $(OCAMLCFLAGS) -o $@ $(<:.cmi=.ml)
 
 $(RESULT): $(addsuffix .cmx,$(ALL_NAMES))
 	ocamlopt -o $@ $(OCAMLLDFLAGS) $(OCAMLLDLIBS) $^