diff --git a/drivers/media/video/cx18/cx18-driver.c b/drivers/media/video/cx18/cx18-driver.c
index 1518a58..062f191 100644
--- a/drivers/media/video/cx18/cx18-driver.c
+++ b/drivers/media/video/cx18/cx18-driver.c
@@ -563,8 +563,6 @@
 	mutex_init(&cx->epu2apu_mb_lock);
 	mutex_init(&cx->epu2cpu_mb_lock);
 
-	spin_lock_init(&cx->lock);
-
 	cx->work_queue = create_singlethread_workqueue(cx->name);
 	if (cx->work_queue == NULL) {
 		CX18_ERR("Unable to create work hander thread\n");
diff --git a/drivers/media/video/cx18/cx18-driver.h b/drivers/media/video/cx18/cx18-driver.h
index 3a21013..d95c6ac 100644
--- a/drivers/media/video/cx18/cx18-driver.h
+++ b/drivers/media/video/cx18/cx18-driver.h
@@ -429,7 +429,6 @@
 	unsigned long i_flags;  /* global cx18 flags */
 	atomic_t ana_capturing;	/* count number of active analog capture streams */
 	atomic_t tot_capturing;	/* total count number of active capture streams */
-	spinlock_t lock;        /* lock access to this struct */
 	int search_pack_header;
 
 	int open_id;		/* incremented each time an open occurs, used as