diff -urNp -x '*.orig' compat-ncurses5-5.9.20150117.org/include/curses.tail compat-ncurses5-5.9.20150117/include/curses.tail
--- compat-ncurses5-5.9.20150117.org/include/curses.tail	2023-07-21 00:00:22.913676193 +0200
+++ compat-ncurses5-5.9.20150117/include/curses.tail	2023-07-21 00:00:24.466698467 +0200
@@ -111,8 +111,6 @@ extern NCURSES_EXPORT(mmask_t) NCURSES_S
 extern NCURSES_EXPORT(int)     NCURSES_SP_NAME(mouseinterval) (SCREEN*, int);
 #endif
 
-#define mouse_trafo(y,x,to_screen) wmouse_trafo(stdscr,y,x,to_screen)
-
 /* other non-XSI functions */
 
 extern NCURSES_EXPORT(int) mcprint (char *, int);	/* direct data to printer */