diff --git a/src/window.h b/src/window.h
index d8f98444ae9..d77e0a6f56f 100644
--- a/src/window.h
+++ b/src/window.h
@@ -259,9 +259,6 @@ struct window
     /* This is handy for undrawing the cursor.  */
     int phys_cursor_ascent, phys_cursor_height;
 
-    /* Alternate overlay-arrow-bitmap in this window.  */
-    int overlay_arrow_bitmap;
-
     /* Non-zero means the cursor is currently displayed.  This can be
        set to zero by functions overpainting the cursor image.  */
     unsigned phys_cursor_on_p : 1;