1 files changed, 7 insertions, 4 deletions
diff --git a/src/extension/internal/bitmap/imagemagick.h b/src/extension/internal/bitmap/imagemagick.h
index 1b150fc3d..08b322503 100644
--- a/src/extension/internal/bitmap/imagemagick.h
+++ b/src/extension/internal/bitmap/imagemagick.h
@@ -1,5 +1,5 @@
-#ifndef __INKSCAPE_EXTENSION_INTERNAL_BITMAP_IMAGEMAGICK_H__
-#define __INKSCAPE_EXTENSION_INTERNAL_BITMAP_IMAGEMAGICK_H__
+#ifndef INKSCAPE_EXTENSION_INTERNAL_BITMAP_IMAGEMAGICK_H
+#define INKSCAPE_EXTENSION_INTERNAL_BITMAP_IMAGEMAGICK_H
 
 /*
  * Copyright (C) 2007 Authors:
@@ -10,11 +10,14 @@
  */
 
 #include "extension/implementation/implementation.h"
-#include "extension/extension-forward.h"
 #include <Magick++.h>
 
 namespace Inkscape {
 namespace Extension {
+
+class Effect;
+class Extension;
+
 namespace Internal {
 namespace Bitmap {
 
@@ -37,4 +40,4 @@ public:
 }; /* namespace Extension */
 }; /* namespace Inkscape */
 
-#endif /* __INKSCAPE_EXTENSION_INTERNAL_BITMAP_IMAGEMAGICK_H__ */
+#endif // INKSCAPE_EXTENSION_INTERNAL_BITMAP_IMAGEMAGICK_H