diff --git a/src/newgrf_spritegroup.cpp b/src/newgrf_spritegroup.cpp
--- a/src/newgrf_spritegroup.cpp
+++ b/src/newgrf_spritegroup.cpp
@@ -13,7 +13,6 @@
 #include "newgrf.h"
 #include "newgrf_spritegroup.h"
 #include "sprite.h"
-#include "core/bitmath_func.hpp"
 #include "core/pool_func.hpp"
 
 SpriteGroupPool _spritegroup_pool("SpriteGroup");