diff --git a/lib/Makefile b/lib/Makefile
index eccdfff..cb72842 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -29,7 +29,4 @@
 obj-y			+= show_progress.o
 obj-$(CONFIG_LZO_DECOMPRESS)		+= decompress_unlzo.o
 obj-$(CONFIG_PROCESS_ESCAPE_SEQUENCE)	+= process_escape_sequence.o
-obj-$(CONFIG_MD5)	+= md5.o
-obj-$(CONFIG_SHA1)	+= sha1.o
-obj-$(CONFIG_SHA256)	+= sha256.o
 obj-$(CONFIG_FDT)	+= fdt/