diff --git a/app/src/screen.c b/app/src/screen.c
index 93c059e6..3ded4263 100644
--- a/app/src/screen.c
+++ b/app/src/screen.c
@@ -365,7 +365,7 @@ screen_init(struct screen *screen, struct video_buffer *vb,
     return true;
 }
 
-void
+static void
 screen_show_window(struct screen *screen) {
     SDL_ShowWindow(screen->window);
 }
diff --git a/app/src/screen.h b/app/src/screen.h
index 4e1d5e63..e725bad6 100644
--- a/app/src/screen.h
+++ b/app/src/screen.h
@@ -60,10 +60,6 @@ screen_init(struct screen *screen, struct video_buffer *vb,
             struct fps_counter *fps_counter,
             const struct screen_params *params);
 
-// show the window
-void
-screen_show_window(struct screen *screen);
-
 // destroy window, renderer and texture (if any)
 void
 screen_destroy(struct screen *screen);