diff --git a/services/audioflinger/AudioFlinger.h b/services/audioflinger/AudioFlinger.h
index 10bfdb9..0cbd8e1 100644
--- a/services/audioflinger/AudioFlinger.h
+++ b/services/audioflinger/AudioFlinger.h
@@ -89,6 +89,7 @@
 
 #include <sounddose/SoundDoseManager.h>
 #include <timing/MonotonicFrameCounter.h>
+#include <timing/SyncEvent.h>
 
 #include "FastCapture.h"
 #include "FastMixer.h"
@@ -383,43 +384,6 @@
 
     static inline std::atomic<AudioFlinger *> gAudioFlinger = nullptr;
 
-    class SyncEvent;
-
-    typedef void (*sync_event_callback_t)(const wp<SyncEvent>& event) ;
-
-    class SyncEvent : public RefBase {
-    public:
-        SyncEvent(AudioSystem::sync_event_t type,
-                  audio_session_t triggerSession,
-                  audio_session_t listenerSession,
-                  sync_event_callback_t callBack,
-                  const wp<RefBase>& cookie)
-        : mType(type), mTriggerSession(triggerSession), mListenerSession(listenerSession),
-          mCallback(callBack), mCookie(cookie)
-        {}
-
-        virtual ~SyncEvent() {}
-
-        void trigger() {
-            Mutex::Autolock _l(mLock);
-            if (mCallback) mCallback(wp<SyncEvent>(this));
-        }
-        bool isCancelled() const { Mutex::Autolock _l(mLock); return (mCallback == NULL); }
-        void cancel() { Mutex::Autolock _l(mLock); mCallback = NULL; }
-        AudioSystem::sync_event_t type() const { return mType; }
-        audio_session_t triggerSession() const { return mTriggerSession; }
-        audio_session_t listenerSession() const { return mListenerSession; }
-        wp<RefBase> cookie() const { return mCookie; }
-
-    private:
-          const AudioSystem::sync_event_t mType;
-          const audio_session_t mTriggerSession;
-          const audio_session_t mListenerSession;
-          sync_event_callback_t mCallback;
-          const wp<RefBase> mCookie;
-          mutable Mutex mLock;
-    };
-
     sp<SyncEvent> createSyncEvent(AudioSystem::sync_event_t type,
                                         audio_session_t triggerSession,
                                         audio_session_t listenerSession,