diff --git a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci1564.c b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci1564.c
index 7fa4346f61843bcdce41868b83d9949a2b6375d9..4e6d0649489c4728656c5432fceac3f2b4a7caaf 100644
--- a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci1564.c
+++ b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci1564.c
@@ -149,11 +149,6 @@ static int apci1564_do_config(struct comedi_device *dev,
 		return -EINVAL;
 	}
 
-	if (data[0])
-		devpriv->b_OutputMemoryStatus = 1;
-	else
-		devpriv->b_OutputMemoryStatus = 0;
-
 	if (data[1] == 1)
 		ul_Command = ul_Command | 0x1;
 	else