diff --git a/services/common/audiodata/include/audio_data.h b/services/common/audiodata/include/audio_data.h
index 68d872fe38051e3efe473c83088cdf4eef25192a..4fb2c66e06a17c069cd2d5d78d640cdcdd64df39 100644
--- a/services/common/audiodata/include/audio_data.h
+++ b/services/common/audiodata/include/audio_data.h
@@ -30,14 +30,11 @@ public:
     ~AudioData();
 
     size_t Size() const;
-    size_t Offset() const;
     size_t Capacity() const;
     uint8_t *Data() const;
     int32_t SetRange(size_t offset, size_t size);
 
-    void SetInt32(const string name, int32_t value);
     void SetInt64(const string name, int64_t value);
-    void SetString(const string name, string value);
     bool FindInt32(const string &name, int32_t &value);
     bool FindInt64(const string &name, int64_t &value);
     bool FindString(const string &name, string &value);
diff --git a/services/common/audiodata/src/audio_data.cpp b/services/common/audiodata/src/audio_data.cpp
index d9a4736cf445d7b72024ba9e21739d85b0390a0e..ad3031e42efd4eccc77bed6cb9194a278f68970f 100644
--- a/services/common/audiodata/src/audio_data.cpp
+++ b/services/common/audiodata/src/audio_data.cpp
@@ -39,11 +39,6 @@ size_t AudioData::Size() const
     return rangeLength_;
 }
 
-size_t AudioData::Offset() const
-{
-    return rangeOffset_;
-}
-
 uint8_t *AudioData::Data() const
 {
     return data_ + rangeOffset_;
@@ -60,21 +55,11 @@ int32_t AudioData::SetRange(size_t offset, size_t size)
     return DH_SUCCESS;
 }
 
-void AudioData::SetInt32(const string name, int32_t value)
-{
-    int32Map_[name] = value;
-}
-
 void AudioData::SetInt64(const string name, int64_t value)
 {
     int64Map_[name] = value;
 }
 
-void AudioData::SetString(const string name, string value)
-{
-    stringMap_[name] = value;
-}
-
 bool AudioData::FindInt32(const string &name, int32_t &value)
 {
     if (int32Map_.count(name) != 0) {