diff --git a/NineChronicles.Headless.Executable/Configuration.cs b/NineChronicles.Headless.Executable/Configuration.cs
index 2543b2c23..0f0d9c6f2 100644
--- a/NineChronicles.Headless.Executable/Configuration.cs
+++ b/NineChronicles.Headless.Executable/Configuration.cs
@@ -93,8 +93,6 @@ public class Configuration
 
         public AccessControlServiceOptions? AccessControlService { get; set; }
 
-        public int ArenaParticipantsSyncInterval { get; set; } = 1000;
-
         public void Overwrite(
             string? appProtocolVersionString,
             string[]? trustedAppProtocolVersionSignerStrings,
@@ -143,7 +141,6 @@ public void Overwrite(
             double? consensusTargetBlockIntervalMilliseconds,
             int? consensusProposeSecondBase,
             int? maxTransactionPerBlock,
-            int? arenaParticipantsSyncInterval,
             bool? remoteKeyValueService
         )
         {
@@ -195,7 +192,6 @@ public void Overwrite(
             ConsensusTargetBlockIntervalMilliseconds = consensusTargetBlockIntervalMilliseconds ?? ConsensusTargetBlockIntervalMilliseconds;
             ConsensusProposeSecondBase = consensusProposeSecondBase ?? ConsensusProposeSecondBase;
             MaxTransactionPerBlock = maxTransactionPerBlock ?? MaxTransactionPerBlock;
-            ArenaParticipantsSyncInterval = arenaParticipantsSyncInterval ?? ArenaParticipantsSyncInterval;
             RemoteKeyValueService = remoteKeyValueService ?? RemoteKeyValueService;
         }
     }
diff --git a/NineChronicles.Headless.Executable/Program.cs b/NineChronicles.Headless.Executable/Program.cs
index db5821b8f..fcf00694f 100644
--- a/NineChronicles.Headless.Executable/Program.cs
+++ b/NineChronicles.Headless.Executable/Program.cs
@@ -215,10 +215,6 @@ public async Task Run(
             [Option("config", new[] { 'C' },
                 Description = "Absolute path of \"appsettings.json\" file to provide headless configurations.")]
             string? configPath = "appsettings.json",
-            [Option(Description = "arena participants list sync interval time")]
-            int? arenaParticipantsSyncInterval = null,
-            [Option(Description = "arena participants list sync enable")]
-            bool arenaParticipantsSync = true,
             [Option(Description = "[DANGER] Turn on RemoteKeyValueService to debug.")]
             bool remoteKeyValueService = false,
             [Ignore] CancellationToken? cancellationToken = null
@@ -303,7 +299,7 @@ public async Task Run(
                 txLifeTime, messageTimeout, tipTimeout, demandBuffer, skipPreload,
                 minimumBroadcastTarget, bucketSize, chainTipStaleBehaviorType, txQuotaPerSigner, maximumPollPeers,
                 consensusPort, consensusPrivateKeyString, consensusSeedStrings, consensusTargetBlockIntervalMilliseconds, consensusProposeSecondBase,
-                maxTransactionPerBlock, arenaParticipantsSyncInterval, remoteKeyValueService
+                maxTransactionPerBlock, remoteKeyValueService
             );
 
             // Clean-up previous temporary log files.