diff --git a/DysonNetwork.Sphere/Startup/ServiceCollectionExtensions.cs b/DysonNetwork.Sphere/Startup/ServiceCollectionExtensions.cs
index ceeeaf8..6836381 100644
--- a/DysonNetwork.Sphere/Startup/ServiceCollectionExtensions.cs
+++ b/DysonNetwork.Sphere/Startup/ServiceCollectionExtensions.cs
@@ -41,7 +41,6 @@ public static class ServiceCollectionExtensions
         {
             options.JsonSerializerOptions.NumberHandling = JsonNumberHandling.AllowNamedFloatingPointLiterals;
             options.JsonSerializerOptions.PropertyNamingPolicy = JsonNamingPolicy.SnakeCaseLower;
-            options.JsonSerializerOptions.DictionaryKeyPolicy = JsonNamingPolicy.SnakeCaseLower;
 
             options.JsonSerializerOptions.ConfigureForNodaTime(DateTimeZoneProviders.Tzdb);
         }).AddDataAnnotationsLocalization(options =>