diff --git a/changer.py b/changer.py
deleted file mode 100644
index 7a74bb5..0000000
--- a/changer.py
+++ /dev/null
@@ -1,59 +0,0 @@
-# Copyright (c) 2021 Ichiro ITS
-#
-# Permission is hereby granted, free of charge, to any person obtaining a copy
-# of this software and associated documentation files (the "Software"), to deal
-# in the Software without restriction, including without limitation the rights
-# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-# copies of the Software, and to permit persons to whom the Software is
-# furnished to do so, subject to the following conditions:
-#
-# The above copyright notice and this permission notice shall be included in
-# all copies or substantial portions of the Software.
-#
-# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
-# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-# THE SOFTWARE.
-
-import argparse
-import os
-from tqdm import tqdm
-
-if __name__ == "__main__":
-  parser = argparse.ArgumentParser()
-  parser.add_argument('--data_path', help='path for image data',
-                      type=str, default="/home/segara/recorder")
-  arg = parser.parse_args()
-
-  data_path = arg.data_path
-
-  # loop every directory in <data_path> directory
-  for name in os.listdir(data_path):
-    target_dir = os.path.join(data_path, name)
-    if os.path.isdir(target_dir):
-      print(f"\nRunning on directory {target_dir}...")
-
-
-      for file in tqdm(os.listdir(target_dir)):
-        full_path = os.path.join(target_dir, file)
-        file_name = full_path.split('.')[0]
-        extension = full_path.split('.')[-1]
-
-        if os.path.isfile(full_path) and extension == 'txt':
-          with open(f"{file_name}.txt", "r") as file:
-            detected_objects = file.readlines()
-          
-          for i in range(len(detected_objects)):
-            class_id, center_x, center_y, w, h = detected_objects[i].split()
-
-            w = float(w)
-            h = float(h)
-            x = float(center_x) - w/2
-            y = float(center_y) - h/2
-            detected_objects[i] = f"{class_id} {x} {y} {w} {h}\n"
-          
-          with open(f"{file_name}.txt", "w") as file:
-            file.writelines(detected_objects)