diff --git a/drivers/staging/comedi/drivers/rtd520.c b/drivers/staging/comedi/drivers/rtd520.c
index a1e4892eac31eaef1061453ec4a317b828b56eaf..c6a664f38c31ca6dc86f09b1c41ef5884e6ec5ea 100644
--- a/drivers/staging/comedi/drivers/rtd520.c
+++ b/drivers/staging/comedi/drivers/rtd520.c
@@ -495,8 +495,6 @@ static unsigned short rtd_convert_chan_gain(struct comedi_device *dev,
 	case AREF_OTHER:	/* ??? */
 		break;
 	}
-	/*printk ("chan=%d r=%d a=%d -> 0x%x\n",
-	   chan, range, aref, r); */
 	return r;
 }
 
@@ -606,7 +604,6 @@ static int rtd_ai_rinsn(struct comedi_device *dev,
 
 		/* read data */
 		d = readw(devpriv->las1 + LAS1_ADC_FIFO);
-		/*printk ("rtd520: Got 0x%x after %d usec\n", d, ii+1); */
 		d = d >> 3;	/* low 3 bits are marker lines */
 		if (test_bit(0, devpriv->chan_is_bipolar))
 			/* convert to comedi unsigned data */