diff --git a/drivers/mtd/onenand/onenand_bbt.c b/drivers/mtd/onenand/onenand_bbt.c
index aecdd50..2f53b51 100644
--- a/drivers/mtd/onenand/onenand_bbt.c
+++ b/drivers/mtd/onenand/onenand_bbt.c
@@ -17,9 +17,6 @@
 #include <linux/mtd/onenand.h>
 #include <linux/mtd/compatmac.h>
 
-extern int onenand_bbt_read_oob(struct mtd_info *mtd, loff_t from,
-				struct mtd_oob_ops *ops);
-
 /**
  * check_short_pattern - [GENERIC] check if a pattern is in the buffer
  * @param buf		the buffer to search
diff --git a/include/linux/mtd/onenand.h b/include/linux/mtd/onenand.h
index fd0a260..9aa2a91 100644
--- a/include/linux/mtd/onenand.h
+++ b/include/linux/mtd/onenand.h
@@ -187,4 +187,7 @@
         char *name;
 };
 
+int onenand_bbt_read_oob(struct mtd_info *mtd, loff_t from,
+			 struct mtd_oob_ops *ops);
+
 #endif	/* __LINUX_MTD_ONENAND_H */