Index: firmware/drivers/button.c
===================================================================
--- firmware/drivers/button.c	(Revision 23306)
+++ firmware/drivers/button.c	(Arbeitskopie)
@@ -519,6 +519,7 @@
     }
 }
 #endif /* HAVE_LCD_FLIP */
+#endif /* SIMULATOR */
 
 #ifdef HAVE_BACKLIGHT
 void set_backlight_filter_keypress(bool value)
@@ -533,7 +534,6 @@
 #endif
 #endif
 
-#endif /* SIMULATOR */
 /*
  * Get button pressed from hardware
  */
Index: uisimulator/sdl/button.c
===================================================================
--- uisimulator/sdl/button.c	(Revision 23306)
+++ uisimulator/sdl/button.c	(Arbeitskopie)
@@ -58,23 +58,6 @@
 
 static int btn = 0;    /* Hopefully keeps track of currently pressed keys... */
 
-#ifdef HAVE_BACKLIGHT
-static bool filter_first_keypress;
-
-void set_backlight_filter_keypress(bool value)
-{
-    filter_first_keypress = value;
-}
-#ifdef HAVE_REMOTE_LCD
-static bool remote_filter_first_keypress;
-
-void set_remote_backlight_filter_keypress(bool value)
-{
-    remote_filter_first_keypress = value;
-}
-#endif
-#endif
-
 #ifdef HAS_BUTTON_HOLD
 bool hold_button_state = false;
 bool button_hold(void) {