diff --git a/drivers/serial/jsm/jsm.h b/drivers/serial/jsm/jsm.h
index 8871aaa3dba6..c0a3e2734e24 100644
--- a/drivers/serial/jsm/jsm.h
+++ b/drivers/serial/jsm/jsm.h
@@ -130,8 +130,6 @@ struct jsm_board
 	struct pci_dev	*pci_dev;
 	u32		maxports;	/* MAX ports this board can handle */
 
-	spinlock_t	bd_lock;	/* Used to protect board */
-
 	spinlock_t	bd_intr_lock;	/* Used to protect the poller tasklet and
 					 * the interrupt routine from each other.
 					 */
diff --git a/drivers/serial/jsm/jsm_driver.c b/drivers/serial/jsm/jsm_driver.c
index d2d32a198629..b3604aa322a4 100644
--- a/drivers/serial/jsm/jsm_driver.c
+++ b/drivers/serial/jsm/jsm_driver.c
@@ -88,7 +88,6 @@ static int __devinit jsm_probe_one(struct pci_dev *pdev, const struct pci_device
 	else
 		brd->maxports = 2;
 
-	spin_lock_init(&brd->bd_lock);
 	spin_lock_init(&brd->bd_intr_lock);
 
 	/* store which revision we have */