diff --git a/include/media/IAudioRecord.h b/include/media/IAudioRecord.h
index eccc2ca..2003985 100644
--- a/include/media/IAudioRecord.h
+++ b/include/media/IAudioRecord.h
@@ -34,9 +34,6 @@
 public:
     DECLARE_META_INTERFACE(AudioRecord);
 
-    /* get this tracks control block */
-    virtual sp<IMemory> getCblk() const = 0;
-
     /* After it's created the track is not active. Call start() to
      * make it active.
      */
diff --git a/media/libmedia/IAudioRecord.cpp b/media/libmedia/IAudioRecord.cpp
index 9866d70..8a4a383 100644
--- a/media/libmedia/IAudioRecord.cpp
+++ b/media/libmedia/IAudioRecord.cpp
@@ -29,7 +29,7 @@
 namespace android {
 
 enum {
-    GET_CBLK = IBinder::FIRST_CALL_TRANSACTION,
+    UNUSED_WAS_GET_CBLK = IBinder::FIRST_CALL_TRANSACTION,
     START,
     STOP
 };
@@ -42,21 +42,6 @@
     {
     }
 
-    virtual sp<IMemory> getCblk() const
-    {
-        Parcel data, reply;
-        sp<IMemory> cblk;
-        data.writeInterfaceToken(IAudioRecord::getInterfaceDescriptor());
-        status_t status = remote()->transact(GET_CBLK, data, &reply);
-        if (status == NO_ERROR) {
-            cblk = interface_cast<IMemory>(reply.readStrongBinder());
-            if (cblk != 0 && cblk->pointer() == NULL) {
-                cblk.clear();
-            }
-        }
-        return cblk;
-    }
-
     virtual status_t start(int /*AudioSystem::sync_event_t*/ event, int triggerSession)
     {
         Parcel data, reply;
@@ -89,11 +74,6 @@
     uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
 {
     switch (code) {
-        case GET_CBLK: {
-            CHECK_INTERFACE(IAudioRecord, data, reply);
-            reply->writeStrongBinder(getCblk()->asBinder());
-            return NO_ERROR;
-        } break;
         case START: {
             CHECK_INTERFACE(IAudioRecord, data, reply);
             int /*AudioSystem::sync_event_t*/ event = data.readInt32();
diff --git a/services/audioflinger/AudioFlinger.h b/services/audioflinger/AudioFlinger.h
index e0965b8..894bd35 100644
--- a/services/audioflinger/AudioFlinger.h
+++ b/services/audioflinger/AudioFlinger.h
@@ -432,7 +432,6 @@
     public:
         RecordHandle(const sp<RecordThread::RecordTrack>& recordTrack);
         virtual             ~RecordHandle();
-        virtual sp<IMemory> getCblk() const;
         virtual status_t    start(int /*AudioSystem::sync_event_t*/ event, int triggerSession);
         virtual void        stop();
         virtual status_t onTransact(
diff --git a/services/audioflinger/Tracks.cpp b/services/audioflinger/Tracks.cpp
index 5889567..d8f3423 100644
--- a/services/audioflinger/Tracks.cpp
+++ b/services/audioflinger/Tracks.cpp
@@ -1800,10 +1800,6 @@
     mRecordTrack->destroy();
 }
 
-sp<IMemory> AudioFlinger::RecordHandle::getCblk() const {
-    return mRecordTrack->getCblk();
-}
-
 status_t AudioFlinger::RecordHandle::start(int /*AudioSystem::sync_event_t*/ event,
         int triggerSession) {
     ALOGV("RecordHandle::start()");