diff --git a/services/audioflinger/IAfTrack.h b/services/audioflinger/IAfTrack.h
index 2763157..2302e13 100644
--- a/services/audioflinger/IAfTrack.h
+++ b/services/audioflinger/IAfTrack.h
@@ -16,8 +16,27 @@
 
 #pragma once
 
+#include <android/media/BnAudioRecord.h>
+#include <android/media/BnAudioTrack.h>
+#include <audiomanager/IAudioManager.h>
+#include <binder/IMemory.h>
+#include <fastpath/FastMixerDumpState.h>
+#include <media/AudioSystem.h>
+#include <media/VolumeShaper.h>
+#include <private/media/AudioTrackShared.h>
+#include <timing/SyncEvent.h>
+#include <timing/SynchronizedRecordState.h>
+#include <utils/RefBase.h>
+#include <vibrator/ExternalVibration.h>
+
+#include <vector>
+
 namespace android {
 
+class Client;
+class ResamplerBufferProvider;
+struct Source;
+
 class IAfDuplicatingThread;
 class IAfPatchRecord;
 class IAfPatchTrack;