diff --git a/drivers/staging/comedi/comedidev.h b/drivers/staging/comedi/comedidev.h
index c72fd15e6a55..3ca5832ad6f9 100644
--- a/drivers/staging/comedi/comedidev.h
+++ b/drivers/staging/comedi/comedidev.h
@@ -495,8 +495,6 @@ static inline unsigned comedi_buf_read_n_allocated(struct comedi_async *async)
 	return async->buf_read_alloc_count - async->buf_read_count;
 }
 
-void comedi_reset_async_buf(struct comedi_async *async);
-
 static inline void *comedi_aux_data(int options[], int n)
 {
 	unsigned long address;
diff --git a/drivers/staging/comedi/drivers.c b/drivers/staging/comedi/drivers.c
index 475778fb6801..f68fab9c5509 100644
--- a/drivers/staging/comedi/drivers.c
+++ b/drivers/staging/comedi/drivers.c
@@ -811,7 +811,6 @@ void comedi_reset_async_buf(struct comedi_async *async)
 
 	async->events = 0;
 }
-EXPORT_SYMBOL(comedi_reset_async_buf);
 
 int comedi_auto_config(struct device *hardware_device, const char *board_name,
 		       const int *options, unsigned num_options)
diff --git a/drivers/staging/comedi/internal.h b/drivers/staging/comedi/internal.h
index 4b6065adb7ea..7068a38d7f3c 100644
--- a/drivers/staging/comedi/internal.h
+++ b/drivers/staging/comedi/internal.h
@@ -1,3 +1,4 @@
 
 int comedi_alloc_board_minor(struct device *hardware_device);
 void comedi_free_board_minor(unsigned minor);
+void comedi_reset_async_buf(struct comedi_async *async);