diff --git a/bt5/erp5_json_editor/SkinTemplateItem/portal_skins/erp5_json_editor/json-editor.gadget.js.js b/bt5/erp5_json_editor/SkinTemplateItem/portal_skins/erp5_json_editor/json-editor.gadget.js.js
index 7030ac8355174915a2549295a51681c5ed9160fe..03410f107ec02a91ffcfa247c5c2ad598d15c331 100644
--- a/bt5/erp5_json_editor/SkinTemplateItem/portal_skins/erp5_json_editor/json-editor.gadget.js.js
+++ b/bt5/erp5_json_editor/SkinTemplateItem/portal_skins/erp5_json_editor/json-editor.gadget.js.js
@@ -69,6 +69,9 @@
         schema.description = " (default: " + schema.default + ")";
       }
     }
+    if (schema.default !== undefined) {
+      delete schema.default;
+    }
     return schema;
   };