diff --git a/drivers/staging/comedi/drivers/cb_pcidas64.c b/drivers/staging/comedi/drivers/cb_pcidas64.c
index 4061f0481de2..0e13ac9f3473 100644
--- a/drivers/staging/comedi/drivers/cb_pcidas64.c
+++ b/drivers/staging/comedi/drivers/cb_pcidas64.c
@@ -2078,9 +2078,6 @@ static int ai_cmdtest(struct comedi_device *dev, struct comedi_subdevice *s,
 
 	if (cmd->convert_src == TRIG_EXT && cmd->scan_begin_src == TRIG_TIMER)
 		err |= -EINVAL;
-	if (cmd->stop_src != TRIG_COUNT &&
-	    cmd->stop_src != TRIG_NONE && cmd->stop_src != TRIG_EXT)
-		err |= -EINVAL;
 
 	if (err)
 		return 2;