diff --git a/drivers/staging/comedi/drivers/pcl816.c b/drivers/staging/comedi/drivers/pcl816.c
index c3ee6d69b9a6c1ad476693f8d1ee8cb9bb707811..ba6911f063cbfea15b374d206a48900b6c452b19 100644
--- a/drivers/staging/comedi/drivers/pcl816.c
+++ b/drivers/staging/comedi/drivers/pcl816.c
@@ -493,26 +493,11 @@ static int pcl816_ai_cmdtest(struct comedi_device *dev,
 	 * are unique and mutually compatible
 	 */
 
-	if (cmd->start_src != TRIG_NOW) {
-		cmd->start_src = TRIG_NOW;
-		err++;
-	}
-
-	if (cmd->scan_begin_src != TRIG_FOLLOW) {
-		cmd->scan_begin_src = TRIG_FOLLOW;
-		err++;
-	}
-
 	if (cmd->convert_src != TRIG_EXT && cmd->convert_src != TRIG_TIMER) {
 		cmd->convert_src = TRIG_TIMER;
 		err++;
 	}
 
-	if (cmd->scan_end_src != TRIG_COUNT) {
-		cmd->scan_end_src = TRIG_COUNT;
-		err++;
-	}
-
 	if (cmd->stop_src != TRIG_NONE && cmd->stop_src != TRIG_COUNT)
 		err++;