diff --git a/src/flash/nand/core.h b/src/flash/nand/core.h
index 19c53d1da..8f54493af 100644
--- a/src/flash/nand/core.h
+++ b/src/flash/nand/core.h
@@ -202,6 +202,8 @@ int nand_calculate_ecc(struct nand_device *nand,
 		       const uint8_t *dat, uint8_t *ecc_code);
 int nand_calculate_ecc_kw(struct nand_device *nand,
 			  const uint8_t *dat, uint8_t *ecc_code);
+int nand_correct_data(struct nand_device *nand, u_char *dat,
+		u_char *read_ecc, u_char *calc_ecc);
 
 int nand_register_commands(struct command_context *cmd_ctx);
 
diff --git a/src/flash/nand/lpc32xx.c b/src/flash/nand/lpc32xx.c
index f8b59b357..1fdae9fe5 100644
--- a/src/flash/nand/lpc32xx.c
+++ b/src/flash/nand/lpc32xx.c
@@ -24,8 +24,6 @@
 static int lpc32xx_reset(struct nand_device *nand);
 static int lpc32xx_controller_ready(struct nand_device *nand, int timeout);
 static int lpc32xx_tc_ready(struct nand_device *nand, int timeout);
-extern int nand_correct_data(struct nand_device *nand, u_char *dat,
-		u_char *read_ecc, u_char *calc_ecc);
 
 /* These are offset with the working area in IRAM when using DMA to
  * read/write data to the SLC controller.