diff --git a/drivers/staging/comedi/drivers/pcl812.c b/drivers/staging/comedi/drivers/pcl812.c
index e1e4cd139b63b44c50030d032e9122ac0378d64c..aabadea58fd617487b97ec67336f9c737135e733 100644
--- a/drivers/staging/comedi/drivers/pcl812.c
+++ b/drivers/staging/comedi/drivers/pcl812.c
@@ -1305,7 +1305,6 @@ static int pcl812_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 		s->subdev_flags = SDF_WRITABLE | SDF_GROUND;
 		s->n_chan = board->n_aochan;
 		s->maxdata = 0xfff;
-		s->len_chanlist = 1;
 		s->range_table = board->rangelist_ao;
 		s->insn_read = pcl812_ao_insn_read;
 		s->insn_write = pcl812_ao_insn_write;
@@ -1334,7 +1333,6 @@ static int pcl812_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 		s->subdev_flags = SDF_READABLE;
 		s->n_chan = board->n_dichan;
 		s->maxdata = 1;
-		s->len_chanlist = board->n_dichan;
 		s->range_table = &range_digital;
 		s->insn_bits = pcl812_di_insn_bits;
 		subdev++;
@@ -1347,7 +1345,6 @@ static int pcl812_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 		s->subdev_flags = SDF_WRITABLE;
 		s->n_chan = board->n_dochan;
 		s->maxdata = 1;
-		s->len_chanlist = board->n_dochan;
 		s->range_table = &range_digital;
 		s->insn_bits = pcl812_do_insn_bits;
 		subdev++;