diff --git a/drivers/staging/comedi/drivers/usbdux.c b/drivers/staging/comedi/drivers/usbdux.c
index cb94964cc9ba..3fc61d134acb 100644
--- a/drivers/staging/comedi/drivers/usbdux.c
+++ b/drivers/staging/comedi/drivers/usbdux.c
@@ -110,9 +110,6 @@ sampling rate. If you sample two channels you get 4kHz and so on.
 /* Default PWM frequency */
 #define PWM_DEFAULT_PERIOD ((long)(1E9/100))
 
-/* Number of channels */
-#define NUMCHANNELS       8
-
 /* Size of one A/D value */
 #define SIZEADIN          ((sizeof(int16_t)))
 
@@ -784,9 +781,6 @@ static int usbdux_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
 		unsigned int chan = CR_CHAN(cmd->chanlist[i]);
 		unsigned int range = CR_RANGE(cmd->chanlist[i]);
 
-		if (i >= NUMCHANNELS)
-			break;
-
 		devpriv->dux_commands[i + 2] = create_adc_command(chan, range);
 	}