diff --git a/drivers/staging/comedi/drivers/contec_pci_dio.c b/drivers/staging/comedi/drivers/contec_pci_dio.c
index 71b7266e43e8..387dd42748b9 100644
--- a/drivers/staging/comedi/drivers/contec_pci_dio.c
+++ b/drivers/staging/comedi/drivers/contec_pci_dio.c
@@ -61,14 +61,10 @@ static int contec_do_insn_bits(struct comedi_device *dev,
 {
 	const struct contec_board *thisboard = comedi_board(dev);
 
-	dev_dbg(dev->class_dev, "contec_do_insn_bits called\n");
-	dev_dbg(dev->class_dev, "data: %d %d\n", data[0], data[1]);
-
 	if (data[0]) {
 		s->state &= ~data[0];
 		s->state |= data[0] & data[1];
-		dev_dbg(dev->class_dev, "out: %d on %lx\n", s->state,
-			dev->iobase + thisboard->out_offs);
+
 		outw(s->state, dev->iobase + thisboard->out_offs);
 	}
 	return insn->n;
@@ -80,9 +76,6 @@ static int contec_di_insn_bits(struct comedi_device *dev,
 {
 	const struct contec_board *thisboard = comedi_board(dev);
 
-	dev_dbg(dev->class_dev, "contec_di_insn_bits called\n");
-	dev_dbg(dev->class_dev, "data: %d %d\n", data[0], data[1]);
-
 	data[1] = inw(dev->iobase + thisboard->in_offs);
 
 	return insn->n;