diff --git a/NationalFlag/NationalFlag/Fill.h b/NationalFlag/NationalFlag/Fill.h
index 51b618b..34d4b15 100644
--- a/NationalFlag/NationalFlag/Fill.h
+++ b/NationalFlag/NationalFlag/Fill.h
@@ -20,7 +20,4 @@ protected:
 	CPi2 *P;
 	CAET *pHeadE, *pCurrentE, *pEdge;
 	CBucket *pHeadB, *pCurrentB;
-
-public:
-	CRGB LinearDifferential(double y0, double y, double y1, CRGB c0, CRGB c1);
 };