diff --git a/paddlex/inference/models/object_detection/processors.py b/paddlex/inference/models/object_detection/processors.py
index 5b473e0b3b..14a8e37754 100644
--- a/paddlex/inference/models/object_detection/processors.py
+++ b/paddlex/inference/models/object_detection/processors.py
@@ -623,7 +623,6 @@ def nms(boxes, iou_same=0.6, iou_diff=0.95):
         current = indices[0]
         current_box = boxes[current]
         current_class = current_box[0]
-        current_box[1]
         current_coords = current_box[2:]
 
         selected_boxes.append(current)