diff --git a/app/codec/frame.cpp b/app/codec/frame.cpp
index 4ca93f42b..16ebed087 100644
--- a/app/codec/frame.cpp
+++ b/app/codec/frame.cpp
@@ -115,16 +115,6 @@ void Frame::set_timestamp(const rational &timestamp)
   timestamp_ = timestamp;
 }
 
-const int64_t &Frame::native_timestamp()
-{
-  return native_timestamp_;
-}
-
-void Frame::set_native_timestamp(const int64_t &timestamp)
-{
-  native_timestamp_ = timestamp;
-}
-
 char *Frame::data()
 {
   return data_.data();
diff --git a/app/codec/frame.h b/app/codec/frame.h
index 7f49948a8..7618ad622 100644
--- a/app/codec/frame.h
+++ b/app/codec/frame.h
@@ -65,9 +65,6 @@ public:
   const rational& timestamp() const;
   void set_timestamp(const rational& timestamp);
 
-  const int64_t& native_timestamp();
-  void set_native_timestamp(const int64_t& timestamp);
-
   /**
    * @brief Get the data buffer of this frame
    */
@@ -111,8 +108,6 @@ private:
 
   rational timestamp_;
 
-  int64_t native_timestamp_;
-
   int linesize_;
 
 };