diff --git a/include/publisher_vision.h b/include/publisher_vision.h
index 31cd93d5d4f4071c2d66d484c746ed38a05a8a54..b606ee060332afbc841df773a37d48a852ddbd91 100644
--- a/include/publisher_vision.h
+++ b/include/publisher_vision.h
@@ -126,8 +126,6 @@ class PublisherVisionDebug : public Publisher
         /*
             Search for the maximum and minimum of features in one track in the track matrix
         */
-        std::pair<int,int>          minMaxTrackLength(const std::map<SizeStd, Track>& _tracks) const;
-        
         std::pair<int, int>         minMaxAliveTrackLength(const TrackMatrix &_track_matrix, CaptureBasePtr _cap_img) const;
 
         /*
diff --git a/src/publisher_vision.cpp b/src/publisher_vision.cpp
index fe13ff8cf248d0edb03bdd13074aeb99edec43f6..3886035ecbafc30567c05e9d4c395628d76cbc0a 100644
--- a/src/publisher_vision.cpp
+++ b/src/publisher_vision.cpp
@@ -211,27 +211,6 @@ void PublisherVisionDebug::publishDerived()
     }
 }
 
-std::pair<int, int> PublisherVisionDebug::minMaxTrackLength(const std::map<SizeStd, Track> &_tracks) const
-{
-    int max = -1;
-    int min = 10;
-
-    for (auto itr = _tracks.begin(); itr != _tracks.end(); ++itr)
-    {
-        int count = itr->second.size();
-
-        if (count > max)
-        {
-            max = count;
-        }
-        if (count < min)
-        {
-            min = count;
-        }
-    }
-    return std::pair<int, int>(min, max);
-}
-
 std::pair<int, int> PublisherVisionDebug::minMaxAliveTrackLength(const TrackMatrix &_track_matrix, CaptureBasePtr _cap_img) const
 {
 
@@ -382,10 +361,7 @@ void PublisherVisionDebug::showTracks(cv::Mat _image,
 {
     std::pair<int, int> min_max_track_length;
 
-    if (tracks_.min_max_on_alive_tracks_)
-        min_max_track_length = minMaxAliveTrackLength(_track_matrix, _capture_img);
-    else
-        min_max_track_length = minMaxTrackLength(_track_matrix.getTracks());
+    min_max_track_length = minMaxAliveTrackLength(_track_matrix, _capture_img);
 
     int min_track_length = min_max_track_length.first;
     int max_track_length = min_max_track_length.second;