diff --git a/drivers/staging/comedi/comedi_fops.c b/drivers/staging/comedi/comedi_fops.c
index 2634af2f33df..ce8e2549b8ff 100644
--- a/drivers/staging/comedi/comedi_fops.c
+++ b/drivers/staging/comedi/comedi_fops.c
@@ -2181,7 +2181,6 @@ void comedi_free_board_minor(unsigned minor)
 		kfree(info);
 	}
 }
-EXPORT_SYMBOL_GPL(comedi_free_board_minor);
 
 int comedi_alloc_subdevice_minor(struct comedi_device *dev,
 				 struct comedi_subdevice *s)
diff --git a/drivers/staging/comedi/comedidev.h b/drivers/staging/comedi/comedidev.h
index 5f017c2383b3..c72fd15e6a55 100644
--- a/drivers/staging/comedi/comedidev.h
+++ b/drivers/staging/comedi/comedidev.h
@@ -522,7 +522,6 @@ static inline void *comedi_aux_data(int options[], int n)
 	return (void *)address;
 }
 
-void comedi_free_board_minor(unsigned minor);
 int comedi_alloc_subdevice_minor(struct comedi_device *dev,
 				 struct comedi_subdevice *s);
 void comedi_free_subdevice_minor(struct comedi_subdevice *s);
diff --git a/drivers/staging/comedi/internal.h b/drivers/staging/comedi/internal.h
index 4ced6bfa7e9c..4b6065adb7ea 100644
--- a/drivers/staging/comedi/internal.h
+++ b/drivers/staging/comedi/internal.h
@@ -1,2 +1,3 @@
 
 int comedi_alloc_board_minor(struct device *hardware_device);
+void comedi_free_board_minor(unsigned minor);