diff --git a/taglib/trueaudio/trueaudioproperties.h b/taglib/trueaudio/trueaudioproperties.h
index 5b736081..490fea8e 100644
--- a/taglib/trueaudio/trueaudioproperties.h
+++ b/taglib/trueaudio/trueaudioproperties.h
@@ -36,8 +36,6 @@ namespace TagLib {
 
   namespace TrueAudio {
 
-    class File;
-
     static const unsigned int HeaderSize = 18;
 
     //! An implementation of audio property reading for TrueAudio