diff --git a/media/libmedia/AudioTrack.cpp b/media/libmedia/AudioTrack.cpp
index eca659f254286..ea214295acaa5 100644
--- a/media/libmedia/AudioTrack.cpp
+++ b/media/libmedia/AudioTrack.cpp
@@ -809,9 +809,7 @@ status_t AudioTrack::createTrack_l(
         LOGE("Could not get control block");
         return NO_INIT;
     }
-    mAudioTrack.clear();
     mAudioTrack = track;
-    mCblkMemory.clear();
     mCblkMemory = cblk;
     mCblk = static_cast<audio_track_cblk_t*>(cblk->pointer());
     android_atomic_or(CBLK_DIRECTION_OUT, &mCblk->flags);
diff --git a/services/audioflinger/AudioFlinger.cpp b/services/audioflinger/AudioFlinger.cpp
index b48f23d900e98..fd276aa3509c4 100644
--- a/services/audioflinger/AudioFlinger.cpp
+++ b/services/audioflinger/AudioFlinger.cpp
@@ -988,7 +988,6 @@ AudioFlinger::ThreadBase::ThreadBase(const sp<AudioFlinger>& audioFlinger, int i
 AudioFlinger::ThreadBase::~ThreadBase()
 {
     mParamCond.broadcast();
-    mNewParameters.clear();
     // do not lock the mutex in destructor
     releaseWakeLock_l();
     if (mPowerManager != 0) {