diff --git a/MagickCore/pixel.h b/MagickCore/pixel.h
index b150f13..14edf22 100644
--- a/MagickCore/pixel.h
+++ b/MagickCore/pixel.h
@@ -208,6 +208,9 @@
/*
Pixel method declarations.
*/
+extern MagickExport ChannelType
+ SetPixelChannelMask(Image *,const ChannelType);
+
extern MagickExport MagickBooleanType
ExportImagePixels(Image *,const ssize_t,const ssize_t,const size_t,
const size_t,const char *,const StorageType,void *,ExceptionInfo *),
@@ -248,8 +251,7 @@
extern MagickExport void
ConformPixelInfo(Image *,const PixelInfo *,PixelInfo *,ExceptionInfo *),
GetPixelInfo(const Image *,PixelInfo *),
- InitializePixelChannelMap(Image *),
- SetPixelChannelMask(Image *,const ChannelType);
+ InitializePixelChannelMap(Image *);
#if defined(__cplusplus) || defined(c_plusplus)
}