diff --git a/include/nuttx/input/ads7843e.h b/include/nuttx/input/ads7843e.h
index dc8b97fafb9..b4cb13e61de 100644
--- a/include/nuttx/input/ads7843e.h
+++ b/include/nuttx/input/ads7843e.h
@@ -174,9 +174,9 @@ extern "C" {
  *
  ****************************************************************************/
 
-EXTERN  int ads7843e_register(FAR struct spi_dev_s *spi,
-                             FAR struct ads7843e_config_s *config,
-                             int minor);
+int ads7843e_register(FAR struct spi_dev_s *spi,
+                      FAR struct ads7843e_config_s *config,
+                      int minor);
 
 #undef EXTERN
 #ifdef __cplusplus