SDL_mouse.c doesn't need default_cursor.h.
diff --git a/src/events/SDL_mouse.c b/src/events/SDL_mouse.c
index 07c4d54..7a7bb2e 100644
--- a/src/events/SDL_mouse.c
+++ b/src/events/SDL_mouse.c
@@ -27,7 +27,6 @@
 #include "SDL_timer.h"
 #include "SDL_events.h"
 #include "SDL_events_c.h"
-#include "default_cursor.h"
 #include "../video/SDL_sysvideo.h"
 
 /* #define DEBUG_MOUSE */