diff --git a/MagickCore/effect.h b/MagickCore/effect.h
index d41ce88..d76cc7f 100644
--- a/MagickCore/effect.h
+++ b/MagickCore/effect.h
@@ -73,53 +73,29 @@
 
 extern MagickExport Image
   *AdaptiveBlurImage(const Image *,const double,const double,ExceptionInfo *),
-  *AdaptiveBlurImageChannel(const Image *,const ChannelType,const double,
-    const double,ExceptionInfo *),
   *AdaptiveSharpenImage(const Image *,const double,const double,
      ExceptionInfo *),
-  *AdaptiveSharpenImageChannel(const Image *,const ChannelType,const double,
-    const double,ExceptionInfo *),
   *BlurImage(const Image *,const double,const double,ExceptionInfo *),
-  *BlurImageChannel(const Image *,const ChannelType,const double,const double,
-    ExceptionInfo *),
   *ConvolveImage(const Image *,const size_t,const double *,ExceptionInfo *),
-  *ConvolveImageChannel(const Image *,const ChannelType,const size_t,
-    const double *,ExceptionInfo *),
   *DespeckleImage(const Image *,ExceptionInfo *),
   *EdgeImage(const Image *,const double,ExceptionInfo *),
   *EmbossImage(const Image *,const double,const double,ExceptionInfo *),
   *FilterImage(const Image *,const KernelInfo *,ExceptionInfo *),
-  *FilterImageChannel(const Image *,const ChannelType,const KernelInfo *,
-     ExceptionInfo *),
   *GaussianBlurImage(const Image *,const double,const double,ExceptionInfo *),
-  *GaussianBlurImageChannel(const Image *,const ChannelType,const double,
-    const double,ExceptionInfo *),
   *MotionBlurImage(const Image *,const double,const double,const double,
     ExceptionInfo *),
-  *MotionBlurImageChannel(const Image *,const ChannelType,const double,
-    const double,const double,ExceptionInfo *),
   *PreviewImage(const Image *,const PreviewType,ExceptionInfo *),
   *RadialBlurImage(const Image *,const double,ExceptionInfo *),
-  *RadialBlurImageChannel(const Image *,const ChannelType,const double,
-    ExceptionInfo *),
   *SelectiveBlurImage(const Image *,const double,const double,const double,
     ExceptionInfo *),
-  *SelectiveBlurImageChannel(const Image *,const ChannelType,const double,
-    const double,const double,ExceptionInfo *),
   *ShadeImage(const Image *,const MagickBooleanType,const double,const double,
     ExceptionInfo *),
   *SharpenImage(const Image *,const double,const double,ExceptionInfo *),
-  *SharpenImageChannel(const Image *,const ChannelType,const double,
-    const double,ExceptionInfo *),
   *SpreadImage(const Image *,const double,ExceptionInfo *),
   *StatisticImage(const Image *,const StatisticType,const size_t,const size_t,
     ExceptionInfo *),
-  *StatisticImageChannel(const Image *,const ChannelType,const StatisticType,
-    const size_t,const size_t,ExceptionInfo *),
   *UnsharpMaskImage(const Image *,const double,const double,const double,
-    const double,ExceptionInfo *),
-  *UnsharpMaskImageChannel(const Image *,const ChannelType,const double,
-    const double,const double,const double,ExceptionInfo *);
+    const double,ExceptionInfo *);
 
 #if defined(__cplusplus) || defined(c_plusplus)
 }