diff --git a/src/auth/serializer/src/operations.js b/src/auth/serializer/src/operations.js
index 7c7d43b396ee9b9cfec49ccc74a59e95bb336809..8881c2c066aad5796f5dfe4d3b91704ea21cd2ea 100644
--- a/src/auth/serializer/src/operations.js
+++ b/src/auth/serializer/src/operations.js
@@ -304,10 +304,8 @@ let convert = new Serializer(
 let collateralized_convert = new Serializer(
     "collateralized_convert",{
     owner: string,
-    collateral_amount: asset,
-    converted_amount: asset,
     requestid: uint32,
-    conversion_date: time_point_sec
+    amount: asset
 }
 );