diff --git a/scripts/kconfig/lkc.h b/scripts/kconfig/lkc.h
index 6ac2eabe109d..e7118d62a45f 100644
--- a/scripts/kconfig/lkc.h
+++ b/scripts/kconfig/lkc.h
@@ -76,7 +76,7 @@ struct gstr str_new(void);
 void str_free(struct gstr *gs);
 void str_append(struct gstr *gs, const char *s);
 void str_printf(struct gstr *gs, const char *fmt, ...);
-const char *str_get(struct gstr *gs);
+char *str_get(struct gstr *gs);
 
 /* menu.c */
 void _menu_init(void);
diff --git a/scripts/kconfig/mconf.c b/scripts/kconfig/mconf.c
index 9d3cf510562f..d7f7e1bf7dd4 100644
--- a/scripts/kconfig/mconf.c
+++ b/scripts/kconfig/mconf.c
@@ -440,8 +440,8 @@ again:
 
 		res = get_relations_str(sym_arr, &head);
 		set_subtitle();
-		dres = show_textbox_ext("Search Results", (char *)
-					str_get(&res), 0, 0, keys, &vscroll,
+		dres = show_textbox_ext("Search Results", str_get(&res), 0, 0,
+					keys, &vscroll,
 					&hscroll, &update_text, (void *)
 					&data);
 		again = false;
diff --git a/scripts/kconfig/util.c b/scripts/kconfig/util.c
index 29585394df71..b78f114ad48c 100644
--- a/scripts/kconfig/util.c
+++ b/scripts/kconfig/util.c
@@ -74,7 +74,7 @@ void str_printf(struct gstr *gs, const char *fmt, ...)
 }
 
 /* Retrieve value of growable string */
-const char *str_get(struct gstr *gs)
+char *str_get(struct gstr *gs)
 {
 	return gs->s;
 }