diff --git a/yoga/Yoga-internal.h b/yoga/Yoga-internal.h
index 34c0b077..e08027da 100644
--- a/yoga/Yoga-internal.h
+++ b/yoga/Yoga-internal.h
@@ -16,12 +16,6 @@ using YGVector = std::vector<YGNodeRef>;
 
 YG_EXTERN_C_BEGIN
 
-WIN_EXPORT float YGRoundValueToPixelGrid(
-    const float value,
-    const float pointScaleFactor,
-    const bool forceCeil,
-    const bool forceFloor);
-
 void YGNodeCalculateLayoutWithContext(
     YGNodeRef node,
     float availableWidth,