diff --git a/nekoyume/Assets/_Scripts/Blockchain/RPCAgent.cs b/nekoyume/Assets/_Scripts/Blockchain/RPCAgent.cs
index 6570498a2b..e3e77d21fa 100644
--- a/nekoyume/Assets/_Scripts/Blockchain/RPCAgent.cs
+++ b/nekoyume/Assets/_Scripts/Blockchain/RPCAgent.cs
@@ -112,10 +112,6 @@ public static void OnRuntimeInitialize()
             GrpcChannelProviderHost.Initialize(new LoggingGrpcChannelProvider(
                 new DefaultGrpcChannelProvider(new[]
                 {
-                    // send keepalive ping every 5 second, default is 2 hours
-                    new ChannelOption("grpc.keepalive_time_ms", 5000),
-                    // keepalive ping time out after 5 seconds, default is 20 seconds
-                    new ChannelOption("grpc.keepalive_timeout_ms", 5 * 1000),
                     new ChannelOption("grpc.max_receive_message_length", -1)
                 })
             ));