diff --git a/MagickCore/resize-private.h b/MagickCore/resize-private.h
index ed564ef..de38cbb 100644
--- a/MagickCore/resize-private.h
+++ b/MagickCore/resize-private.h
@@ -22,9 +22,6 @@
 extern "C" {
 #endif
 
-typedef struct _ResizeFilter
-  ResizeFilter;
-
 extern MagickPrivate double
   GetResizeFilterSupport(const ResizeFilter *),
   GetResizeFilterWeight(const ResizeFilter *,const double);