diff --git a/HMCLCore/src/main/java/org/jackhuang/hmcl/auth/yggdrasil/GameProfile.java b/HMCLCore/src/main/java/org/jackhuang/hmcl/auth/yggdrasil/GameProfile.java
index 2ffefb3b9..153668cb4 100644
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/auth/yggdrasil/GameProfile.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/auth/yggdrasil/GameProfile.java
@@ -17,10 +17,8 @@
  */
 package org.jackhuang.hmcl.auth.yggdrasil;
 
-import com.google.gson.*;
 import org.jackhuang.hmcl.util.Immutable;
 
-import java.lang.reflect.Type;
 import java.util.UUID;
 
 /**
@@ -63,34 +61,4 @@ public final class GameProfile {
         return properties;
     }
 
-    public static class Serializer implements JsonSerializer<GameProfile>, JsonDeserializer<GameProfile> {
-
-        public static final Serializer INSTANCE = new Serializer();
-
-        private Serializer() {
-        }
-
-        @Override
-        public JsonElement serialize(GameProfile src, Type type, JsonSerializationContext context) {
-            JsonObject result = new JsonObject();
-            if (src.getId() != null)
-                result.add("id", context.serialize(src.getId()));
-            if (src.getName() != null)
-                result.addProperty("name", src.getName());
-            return result;
-        }
-
-        @Override
-        public GameProfile deserialize(JsonElement je, Type type, JsonDeserializationContext context) throws JsonParseException {
-            if (!(je instanceof JsonObject))
-                throw new JsonParseException("The json element is not a JsonObject.");
-
-            JsonObject json = (JsonObject) je;
-
-            UUID id = json.has("id") ? context.deserialize(json.get("id"), UUID.class) : null;
-            String name = json.has("name") ? json.getAsJsonPrimitive("name").getAsString() : null;
-            return new GameProfile(id, name);
-        }
-    }
-
 }
diff --git a/HMCLCore/src/main/java/org/jackhuang/hmcl/auth/yggdrasil/YggdrasilService.java b/HMCLCore/src/main/java/org/jackhuang/hmcl/auth/yggdrasil/YggdrasilService.java
index 670a913bd..264942248 100644
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/auth/yggdrasil/YggdrasilService.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/auth/yggdrasil/YggdrasilService.java
@@ -120,8 +120,7 @@ public class YggdrasilService {
     public Optional<GameProfile> getCompleteGameProfile(UUID uuid) throws AuthenticationException {
         Objects.requireNonNull(uuid);
 
-        return Optional.ofNullable(fromJson(request(provider.getProfilePropertiesURL(uuid), null), ProfileResponse.class))
-                .map(response -> new GameProfile(response.id, response.name, response.properties));
+        return Optional.ofNullable(fromJson(request(provider.getProfilePropertiesURL(uuid), null), GameProfile.class));
     }
 
     public Optional<Map<TextureType, Texture>> getTextures(GameProfile profile) throws AuthenticationException {
@@ -191,12 +190,6 @@ public class YggdrasilService {
         }
     }
 
-    private class ProfileResponse {
-        public UUID id;
-        public String name;
-        public PropertyMap properties;
-    }
-
     private class TextureResponse {
         public Map<TextureType, Texture> textures;
     }
@@ -216,7 +209,6 @@ public class YggdrasilService {
     }
 
     private static final Gson GSON = new GsonBuilder()
-            .registerTypeAdapter(GameProfile.class, GameProfile.Serializer.INSTANCE)
             .registerTypeAdapter(PropertyMap.class, PropertyMap.Serializer.INSTANCE)
             .registerTypeAdapter(UUID.class, UUIDTypeAdapter.INSTANCE)
             .create();