SOUND: Get rid of unused forward declarations in mixer.h.

svn-id: r55197

3 files changed, 8 insertions, 2 deletions

diff --git a/engines/sci/sound/audio.h b/engines/sci/sound/audio.h
index 0f075f1b0f..1ad9acc58e 100644
--- a/engines/sci/sound/audio.h
+++ b/engines/sci/sound/audio.h
@@ -30,6 +30,10 @@
 #include "sci/engine/vm_types.h"
 #include "sound/mixer.h"
 
+namespace Audio {
+class RewindableAudioStream;
+} // End of namespace Audio
+
 namespace Sci {
 
 enum AudioCommands {
diff --git a/engines/tucker/tucker.h b/engines/tucker/tucker.h
index a7d7f1cdd4..1932b18174 100644
--- a/engines/tucker/tucker.h
+++ b/engines/tucker/tucker.h
@@ -41,6 +41,10 @@
 
 #include "tucker/console.h"
 
+namespace Audio {
+class RewindableAudioStream;
+} // End of namespace Audio
+
 /**
  * This is the namespace of the Tucker engine.
  *
diff --git a/sound/mixer.h b/sound/mixer.h
index 5c7d902337..b2accc550d 100644
--- a/sound/mixer.h
+++ b/sound/mixer.h
@@ -38,8 +38,6 @@ class OSystem;
 namespace Audio {
 
 class AudioStream;
-class RewindableAudioStream;
-class SeekableAudioStream;
 class Channel;
 class Mixer;
 class MixerImpl;