diff --git a/screen_ui.h b/screen_ui.h
index 2e01acd..d5e5892 100644
--- a/screen_ui.h
+++ b/screen_ui.h
@@ -112,7 +112,6 @@
 
     int stage, max_stage;
 
-    void draw_install_overlay_locked(int frame);
     void draw_background_locked(Icon icon);
     void draw_progress_locked();
     void draw_screen_locked();