diff --git a/ppdet/utils/coco_eval.py b/ppdet/utils/coco_eval.py
index 8fde61de6e0080929cea3206225e918c542d231b..b065a276a9b06e589db1538cad2a9040b1bf2257 100644
--- a/ppdet/utils/coco_eval.py
+++ b/ppdet/utils/coco_eval.py
@@ -609,6 +609,7 @@ def coco17_category_info(with_background=True):
 
     if not with_background:
         clsid2catid = {k - 1: v for k, v in clsid2catid.items()}
+        catid2name.pop(0)
     else:
         clsid2catid.update({0: 0})