diff --git a/drivers/media/video/cx88/cx88-blackbird.c b/drivers/media/video/cx88/cx88-blackbird.c
index df700cff50e9..f2fcdb92ecce 100644
--- a/drivers/media/video/cx88/cx88-blackbird.c
+++ b/drivers/media/video/cx88/cx88-blackbird.c
@@ -404,7 +404,7 @@ static int blackbird_find_mailbox(struct cx8802_dev *dev)
 	u32 value;
 	int i;
 
-	for (i = 0; i < dev->fw_size; i++) {
+	for (i = 0; i < BLACKBIRD_FIRM_IMAGE_SIZE; i++) {
 		memory_read(dev->core, i, &value);
 		if (value == signature[signaturecnt])
 			signaturecnt++;
@@ -458,7 +458,6 @@ static int blackbird_load_firmware(struct cx8802_dev *dev)
 		release_firmware(firmware);
 		return -1;
 	}
-	dev->fw_size = firmware->size;
 
 	if (0 != memcmp(firmware->data, magic, 8)) {
 		dprintk(0, "ERROR: Firmware magic mismatch, wrong file?\n");
diff --git a/drivers/media/video/cx88/cx88.h b/drivers/media/video/cx88/cx88.h
index d773b6e2544d..e0290ba9f553 100644
--- a/drivers/media/video/cx88/cx88.h
+++ b/drivers/media/video/cx88/cx88.h
@@ -462,7 +462,6 @@ struct cx8802_dev {
 	u32                        mailbox;
 	int                        width;
 	int                        height;
-	int                        fw_size;
 
 #if defined(CONFIG_VIDEO_BUF_DVB) || defined(CONFIG_VIDEO_BUF_DVB_MODULE)
 	/* for dvb only */