diff --git a/ppocr/modeling/heads/det_db_head.py b/ppocr/modeling/heads/det_db_head.py
index c89a1255f2bb864bb4567ec92a51a7d35faad9b0..56998044d8923a2bbda094e01b5a4eb2f5496bb3 100644
--- a/ppocr/modeling/heads/det_db_head.py
+++ b/ppocr/modeling/heads/det_db_head.py
@@ -115,7 +115,6 @@ class DBHead(object):
         initializer = fluid.initializer.Uniform(-stdv, stdv)
         bias_attr = fluid.ParamAttr(
             regularizer=regularizer,
-            gradient_clip=gradient_clip,
             initializer=initializer,
             name=name + "_b_attr")
         return bias_attr