diff --git a/media/codec2/components/aac/C2SoftAacDec.cpp b/media/codec2/components/aac/C2SoftAacDec.cpp
index 342d771..57cdcd0 100644
--- a/media/codec2/components/aac/C2SoftAacDec.cpp
+++ b/media/codec2/components/aac/C2SoftAacDec.cpp
@@ -287,6 +287,7 @@
     mOutputDelayRingBufferWritePos = 0;
     mOutputDelayRingBufferReadPos = 0;
     mOutputDelayRingBufferFilled = 0;
+    mOutputDelayRingBuffer.reset();
     mBuffersInfo.clear();
 
     status_t status = UNKNOWN_ERROR;
@@ -308,10 +309,7 @@
         aacDecoder_Close(mAACDecoder);
         mAACDecoder = nullptr;
     }
-    if (mOutputDelayRingBuffer) {
-        delete[] mOutputDelayRingBuffer;
-        mOutputDelayRingBuffer = nullptr;
-    }
+    mOutputDelayRingBuffer.reset();
 }
 
 status_t C2SoftAacDec::initDecoder() {
@@ -327,7 +325,7 @@
 
     mOutputDelayCompensated = 0;
     mOutputDelayRingBufferSize = 2048 * MAX_CHANNEL_COUNT * kNumDelayBlocksMax;
-    mOutputDelayRingBuffer = new short[mOutputDelayRingBufferSize];
+    mOutputDelayRingBuffer.reset(new short[mOutputDelayRingBufferSize]);
     mOutputDelayRingBufferWritePos = 0;
     mOutputDelayRingBufferReadPos = 0;
     mOutputDelayRingBufferFilled = 0;
diff --git a/media/codec2/components/aac/C2SoftAacDec.h b/media/codec2/components/aac/C2SoftAacDec.h
index 986187c..a03fc70 100644
--- a/media/codec2/components/aac/C2SoftAacDec.h
+++ b/media/codec2/components/aac/C2SoftAacDec.h
@@ -93,7 +93,7 @@
     bool mEndOfOutput;
     int32_t mOutputDelayCompensated;
     int32_t mOutputDelayRingBufferSize;
-    short *mOutputDelayRingBuffer;
+    std::unique_ptr<short[]> mOutputDelayRingBuffer;
     int32_t mOutputDelayRingBufferWritePos;
     int32_t mOutputDelayRingBufferReadPos;
     int32_t mOutputDelayRingBufferFilled;