diff --git a/drivers/mtd/mtd_blkdevs.c b/drivers/mtd/mtd_blkdevs.c
index 51bc7e2f1f22..781660565cb0 100644
--- a/drivers/mtd/mtd_blkdevs.c
+++ b/drivers/mtd/mtd_blkdevs.c
@@ -201,7 +201,7 @@ static int blktrans_ioctl(struct inode *inode, struct file *file,
 	}
 }
 
-struct block_device_operations mtd_blktrans_ops = {
+static struct block_device_operations mtd_blktrans_ops = {
 	.owner		= THIS_MODULE,
 	.open		= blktrans_open,
 	.release	= blktrans_release,