diff --git a/drivers/staging/comedi/drivers/comedi_fc.h b/drivers/staging/comedi/drivers/comedi_fc.h
index fed0a54e5af6..de9331cda600 100644
--- a/drivers/staging/comedi/drivers/comedi_fc.h
+++ b/drivers/staging/comedi/drivers/comedi_fc.h
@@ -36,12 +36,6 @@ static inline unsigned int cfc_write_to_buffer(struct comedi_subdevice *s,
 	return comedi_write_array_to_buffer(s, &data, sizeof(data));
 };
 
-static inline unsigned int cfc_write_long_to_buffer(struct comedi_subdevice *s,
-						    unsigned int data)
-{
-	return comedi_write_array_to_buffer(s, &data, sizeof(data));
-};
-
 /**
  * cfc_check_trigger_src() - trivially validate a comedi_cmd trigger source
  * @src: pointer to the trigger source to validate