diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c
index 80d1ec693d2d7d798b1f3315b3c205b529f9a382..b8fa62cbb1293ce9464fc1db6a361c44d0333363 100644
--- a/drivers/mmc/core/block.c
+++ b/drivers/mmc/core/block.c
@@ -188,7 +188,6 @@ static ssize_t power_ro_lock_store(struct device *dev,
 {
 	int ret;
 	struct mmc_blk_data *md, *part_md;
-	struct mmc_card *card;
 	struct mmc_queue *mq;
 	struct request *req;
 	unsigned long set;
@@ -201,7 +200,6 @@ static ssize_t power_ro_lock_store(struct device *dev,
 
 	md = mmc_blk_get(dev_to_disk(dev));
 	mq = &md->queue;
-	card = md->queue.card;
 
 	/* Dispatch locking to the block layer */
 	req = blk_get_request(mq->queue, REQ_OP_DRV_OUT, __GFP_RECLAIM);