diff --git a/.Lib9c.Benchmarks/Program.cs b/.Lib9c.Benchmarks/Program.cs
index e3a5231bc5..596a89b98a 100644
--- a/.Lib9c.Benchmarks/Program.cs
+++ b/.Lib9c.Benchmarks/Program.cs
@@ -152,7 +152,7 @@ static void Main(string[] args)
             Console.WriteLine("Total elapsed\t{0}", ended - started);
         }
 
-        // Copied from BlockChain<T>.SetStates().
+        // Copied from BlockChain.DetermineBlockStateRootHash().
         private static void SetStates(
             Guid chainId,
             IStore store,
@@ -162,18 +162,12 @@ private static void SetStates(
             bool buildStateReferences
         )
         {
-            IImmutableSet<Address> stateUpdatedAddresses = actionEvaluations
-                .SelectMany(a => a.OutputState.Delta.StateUpdatedAddresses)
-                .ToImmutableHashSet();
-            IImmutableSet<(Address, Currency)> updatedFungibleAssets = actionEvaluations
-                .SelectMany(a => a.OutputState.Delta.UpdatedFungibleAssets)
-                .ToImmutableHashSet();
+            IImmutableDictionary<KeyBytes, IValue> totalDelta = actionEvaluations.GetRawTotalDelta();
 
             if (!stateStore.ContainsStateRoot(block.StateRootHash))
             {
                 HashDigest<SHA256>? prevStateRootHash = store.GetStateRootHash(block.PreviousHash);
-                var totalDelta = GetTotalDelta(actionEvaluations, ToStateKey, ToFungibleAssetKey);
-                stateStore.Commit(prevStateRootHash, totalDelta);
+                ITrie stateRoot = stateStore.Commit(prevStateRootHash, totalDelta);
             }
         }
 
diff --git a/.Libplanet b/.Libplanet
index 6a4005d9c5..a987187212 160000
--- a/.Libplanet
+++ b/.Libplanet
@@ -1 +1 @@
-Subproject commit 6a4005d9c54b5f043d14a6adfa26be6b86f0c33c
+Subproject commit a987187212c0fd2aea272fe3a12bb3c27697fde3