diff --git a/Directory.Build.props b/Directory.Build.props
index c3c50d5b5..c95b6df16 100644
--- a/Directory.Build.props
+++ b/Directory.Build.props
@@ -1,5 +1,5 @@
 <Project>
     <PropertyGroup>
-        <LibplanetVersion>5.4.0</LibplanetVersion>
+        <LibplanetVersion>5.4.1</LibplanetVersion>
     </PropertyGroup>
 </Project>
diff --git a/Lib9c b/Lib9c
index 8714ad490..f2c372e20 160000
--- a/Lib9c
+++ b/Lib9c
@@ -1 +1 @@
-Subproject commit 8714ad490a305515133a444f3e68091ee5263d4a
+Subproject commit f2c372e20c6adba797b4787d3d1f2fcbc05c7cc1
diff --git a/NineChronicles.Headless/GraphTypes/ActionQuery.cs b/NineChronicles.Headless/GraphTypes/ActionQuery.cs
index f1fbbb8a5..e2f6c5fc4 100644
--- a/NineChronicles.Headless/GraphTypes/ActionQuery.cs
+++ b/NineChronicles.Headless/GraphTypes/ActionQuery.cs
@@ -574,22 +574,21 @@ public ActionQuery(StandaloneContext standaloneContext)
                     context,
                     new MigratePlanetariumGuild()));
 
-            Field<ByteStringType>(
-                name: "fixToRefundFromNonValidator",
-                arguments: new QueryArguments(
-                    new QueryArgument<NonNullGraphType<ListGraphType<NonNullGraphType<AddressType>>>>
-                    {
-                        Description = "List of addresses to refund",
-                        Name = "addresses",
-                    }),
-                resolve: context =>
-                {
-                    var addresses = context.GetArgument<List<Address>>("addresses");
-                    return Encode(
-                        context,
-                        new FixToRefundFromNonValidator(addresses));
-                });
-
+            // Field<ByteStringType>(
+            //     name: "fixToRefundFromNonValidator",
+            //     arguments: new QueryArguments(
+            //         new QueryArgument<NonNullGraphType<ListGraphType<NonNullGraphType<AddressType>>>>
+            //         {
+            //             Description = "List of addresses to refund",
+            //             Name = "addresses",
+            //         }),
+            //     resolve: context =>
+            //     {
+            //         var addresses = context.GetArgument<List<Address>>("addresses");
+            //         return Encode(
+            //             context,
+            //             new FixToRefundFromNonValidator(addresses));
+            //     });
             RegisterHackAndSlash();
             RegisterHackAndSlashSweep();
             RegisterDailyReward();