diff --git a/apps/tickets/serializers/ticket/common.py b/apps/tickets/serializers/ticket/common.py
index 1af361693..8ec463337 100644
--- a/apps/tickets/serializers/ticket/common.py
+++ b/apps/tickets/serializers/ticket/common.py
@@ -67,8 +67,6 @@ class BaseApplyAssetSerializer(serializers.Serializer):
             error = _('The expiration date should be greater than the start date')
             raise serializers.ValidationError({'apply_date_expired': error})
 
-        attrs['apply_date_start'] = apply_date_start
-        attrs['apply_date_expired'] = apply_date_expired
         return attrs
 
     @atomic