diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index 47ccb7498958..6754e0bd381c 100644
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -2055,20 +2055,6 @@ int mmc_set_blocklen(struct mmc_card *card, unsigned int blocklen)
 }
 EXPORT_SYMBOL(mmc_set_blocklen);
 
-int mmc_set_blockcount(struct mmc_card *card, unsigned int blockcount,
-			bool is_rel_write)
-{
-	struct mmc_command cmd = {};
-
-	cmd.opcode = MMC_SET_BLOCK_COUNT;
-	cmd.arg = blockcount & 0x0000FFFF;
-	if (is_rel_write)
-		cmd.arg |= 1 << 31;
-	cmd.flags = MMC_RSP_SPI_R1 | MMC_RSP_R1 | MMC_CMD_AC;
-	return mmc_wait_for_cmd(card->host, &cmd, 5);
-}
-EXPORT_SYMBOL(mmc_set_blockcount);
-
 #ifndef CONFIG_ROCKCHIP_THUNDER_BOOT
 static void mmc_hw_reset_for_init(struct mmc_host *host)
 {