diff --git a/tools/x2coco.py b/tools/x2coco.py
index 12b940a30da51f397242d23f3d5f86c7a5d4ebdc..caf0132a5e05865825dda6bfd0bbf3c3d4160e2e 100644
--- a/tools/x2coco.py
+++ b/tools/x2coco.py
@@ -246,7 +246,6 @@ def voc_get_coco_annotation(obj, label2id):
         'bbox': [xmin, ymin, o_width, o_height],
         'category_id': category_id,
         'ignore': 0,
-        'segmentation': []  # This script is not for segmentation
     }
     return anno