diff --git a/mkvmuxer.cpp b/mkvmuxer.cpp
index 28d8969..8c45d5f 100644
--- a/mkvmuxer.cpp
+++ b/mkvmuxer.cpp
@@ -1564,10 +1564,6 @@ bool Segment::Finalize() {
   return true;
 }
 
-uint64 Segment::AddVideoTrack(int32 width, int32 height) {
-  return AddVideoTrack(width, height, 0);
-}
-
 uint64 Segment::AddVideoTrack(int32 width, int32 height, int32 number) {
   VideoTrack* const vid_track = new (std::nothrow) VideoTrack();  // NOLINT
   if (!vid_track)
@@ -1584,10 +1580,6 @@ uint64 Segment::AddVideoTrack(int32 width, int32 height, int32 number) {
   return vid_track->number();
 }
 
-uint64 Segment::AddAudioTrack(int32 sample_rate, int32 channels) {
-  return AddAudioTrack(sample_rate, channels, 0);
-}
-
 uint64 Segment::AddAudioTrack(int32 sample_rate,
                               int32 channels,
                               int32 number) {
diff --git a/mkvmuxer.hpp b/mkvmuxer.hpp
index e3fb66a..5e26b3d 100644
--- a/mkvmuxer.hpp
+++ b/mkvmuxer.hpp
@@ -667,10 +667,6 @@ class Segment {
   // |ptr_writer| is NULL.
   bool Init(IMkvWriter* ptr_writer);
 
-  // Adds an audio track to the segment. Returns the number of the track on
-  // success, 0 on error.
-  uint64 AddAudioTrack(int32 sample_rate, int32 channels);
-
   // Adds an audio track to the segment. Returns the number of the track on
   // success, 0 on error. |number| is the number to use for the audio track.
   // |number| must be >= 0. If |number| == 0 then the muxer will decide on
@@ -691,10 +687,6 @@ class Segment {
                 uint64 timestamp_ns,
                 bool is_key);
 
-  // Adds a video track to the segment. Returns the number of the track on
-  // success, 0 on error.
-  uint64 AddVideoTrack(int32 width, int32 height);
-
   // Adds a video track to the segment. Returns the number of the track on
   // success, 0 on error. |number| is the number to use for the video track.
   // |number| must be >= 0. If |number| == 0 then the muxer will decide on