diff --git a/src/landscape.h b/src/landscape.h
--- a/src/landscape.h
+++ b/src/landscape.h
@@ -14,7 +14,6 @@
 
 #include "core/geometry_type.hpp"
 #include "tile_cmd.h"
-#include "zoom_type.h"
 
 static const uint SNOW_LINE_MONTHS = 12; ///< Number of months in the snow line table.
 static const uint SNOW_LINE_DAYS   = 32; ///< Number of days in each month in the snow line table.