@@ -20,7 +20,6 @@ void ShowPatchesSelection(void);
void DrawArrowButtons(int x, int y, int ctab, byte state, bool clickable_left, bool clickable_right);
/* graph_gui.c */
extern const byte _cargo_colours[NUM_CARGO];
void ShowOperatingProfitGraph(void);
void ShowIncomeGraph(void);
void ShowDeliveredCargoGraph(void);