diff --git a/src/base_media_base.h b/src/base_media_base.h
--- a/src/base_media_base.h
+++ b/src/base_media_base.h
@@ -207,10 +207,6 @@ struct GraphicsSet : BaseSet<GraphicsSet
 /** All data/functions related with replacing the base graphics. */
 class BaseGraphics : public BaseMedia<GraphicsSet> {
 public:
-	/**
-	 * Determine the palette of the current graphics set.
-	 */
-	static void DeterminePalette();
 };
 
 /** All data of a sounds set. */