diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index ab91b02b2bff..01ced4c5a61d 100644
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -35,10 +35,6 @@
 #include "sd_ops.h"
 #include "sdio_ops.h"
 
-extern int mmc_attach_mmc(struct mmc_host *host, u32 ocr);
-extern int mmc_attach_sd(struct mmc_host *host, u32 ocr);
-extern int mmc_attach_sdio(struct mmc_host *host, u32 ocr);
-
 static struct workqueue_struct *workqueue;
 
 /*
diff --git a/drivers/mmc/core/core.h b/drivers/mmc/core/core.h
index cfa8e15b5923..cdb332b7dedc 100644
--- a/drivers/mmc/core/core.h
+++ b/drivers/mmc/core/core.h
@@ -46,6 +46,10 @@ void mmc_rescan(struct work_struct *work);
 void mmc_start_host(struct mmc_host *host);
 void mmc_stop_host(struct mmc_host *host);
 
+int mmc_attach_mmc(struct mmc_host *host, u32 ocr);
+int mmc_attach_sd(struct mmc_host *host, u32 ocr);
+int mmc_attach_sdio(struct mmc_host *host, u32 ocr);
+
 extern int use_spi_crc;
 
 #endif