diff --git a/scripts/kconfig/lxdialog/dialog.h b/scripts/kconfig/lxdialog/dialog.h
index ee17a5264d5b..307022a8beef 100644
--- a/scripts/kconfig/lxdialog/dialog.h
+++ b/scripts/kconfig/lxdialog/dialog.h
@@ -221,7 +221,6 @@ int dialog_menu(const char *title, const char *prompt,
 		const void *selected, int *s_scroll);
 int dialog_checklist(const char *title, const char *prompt, int height,
 		     int width, int list_height);
-extern char dialog_input_result[];
 int dialog_inputbox(const char *title, const char *prompt, int height,
 		    int width, const char *init);