diff --git a/DorkNet.Server.Tests/RoomSave2023Tests.cs b/DorkNet.Server.Tests/RoomSave2023Tests.cs
index 373f5f1..2b486aa 100644
--- a/DorkNet.Server.Tests/RoomSave2023Tests.cs
+++ b/DorkNet.Server.Tests/RoomSave2023Tests.cs
@@ -76,21 +76,21 @@ public sealed class RoomSave2023Tests : IClassFixture<DorkNetServerFactory>
         using var json = JsonDocument.Parse(responseText);
         Assert.True(json.RootElement.GetProperty("success").GetBoolean(), responseText);
 
-        // 2023 commit-response contract (NEOPBOMGIOG): value must carry
-        // BOTH a Room and a SubRoomDataSave or the client's post-parse
-        // Dispose walk NREs and the watch shows "Failed to save room".
+        // 2023 commit-response contract (NEOPBOMGIOG): value carries a
+        // Room and a SubRoomDataSave. The Room reuses the exact GET
+        // rooms/{id} shape (BuildRoomServerDetails) — do NOT bolt extra
+        // keys onto it: the room-details mapper is strict about value
+        // shapes and an invented RankingContext object broke every
+        // room-details parse ("Malformed Response"). See befd590 revert.
         var value = json.RootElement.GetProperty("value");
         var roomDto = value.GetProperty("Room");
         Assert.Equal(JsonValueKind.Object, roomDto.ValueKind);
-        // Keys the FGCPNAACHIK mapper reads and its Dispose walk derefs.
-        foreach (var key in new[] { "RoomId", "DataBlob", "MaxPlayers", "ToxmodEnabled", "RankingContext", "SubRooms", "Roles", "Tags", "Stats" })
+        foreach (var key in new[] { "RoomId", "SubRooms", "Roles", "Tags", "Stats" })
             Assert.True(roomDto.TryGetProperty(key, out _), $"Room missing '{key}': {responseText}");
-        Assert.Equal(JsonValueKind.Object, roomDto.GetProperty("RankingContext").ValueKind);
 
         var save = value.GetProperty("SubRoomDataSave");
         Assert.Equal(blobName, save.GetProperty("DataBlob").GetString());
-        // Keys the JKIFFPPAJNK save mapper reads.
-        foreach (var key in new[] { "SubRoomDataSaveId", "SubRoomId", "UnityAssetId", "DataBlobHash", "SavedByAccountId", "Description", "CreatedAt" })
+        foreach (var key in new[] { "SubRoomDataSaveId", "SubRoomId", "UnityAssetId", "SavedByAccountId", "CreatedAt" })
             Assert.True(save.TryGetProperty(key, out _), $"SubRoomDataSave missing '{key}': {responseText}");
 
         await using (var scope = _factory.Services.CreateAsyncScope())
diff --git a/DorkNet.Server/Controllers/API/Rooms/V2/RoomsController.cs b/DorkNet.Server/Controllers/API/Rooms/V2/RoomsController.cs
index 6be4c55..99584c5 100644
--- a/DorkNet.Server/Controllers/API/Rooms/V2/RoomsController.cs
+++ b/DorkNet.Server/Controllers/API/Rooms/V2/RoomsController.cs
@@ -700,12 +700,6 @@ public class RoomsController(
             ReferencedUnityAssetIds = Array.Empty<string>(),
             DataBlob = dataBlob,
             DataBlobName = dataBlob,
-            // DataBlobHash + Description are read by the save mapper
-            // (JKIFFPPAJNK / PELEHJLMKJO) that the SaveRoom commit
-            // response deserializes; omitting them leaves nulls the
-            // response Dispose walk trips on.
-            DataBlobHash = (string?)null,
-            Description = string.Empty,
             PersistenceVersion = 41,
             OMVersion = 0,
             SavedByAccountId = room.CreatorPlayerId,
@@ -1984,26 +1978,6 @@ public class RoomsController(
             },
             PublishState = 0,
             MaxPlayerCalculationMode = room.MaxPlayerCalculationMode,
-            // 2023's room-details mapper (FGCPNAACHIK / GLEGPFFPDBE) reads
-            // these top-level keys and its Dispose walk (NEOPBOMGIOG.
-            // FKDDCNLJOLF, reached via the SaveRoom commit response)
-            // dereferences them — a missing RankingContext object or the
-            // DataBlob/MaxPlayers/ToxmodEnabled scalars leaves a null the
-            // walk NREs on ("Failed to save room" toast despite a
-            // persisted save). Emit them so the room DTO round-trips
-            // through the strict save-response path, not just the
-            // include-masked GET rooms/{id} path.
-            DataBlob = dataBlobName,
-            DataBlobHash = (string?)null,
-            MaxPlayers = sceneRows is { Count: > 0 } ? sceneRows[0].MaxPlayers : room.MaxCapacity,
-            ToxmodEnabled = false,
-            RankingContext = new
-            {
-                RoomId = room.Id,
-                Score = 0.0,
-                Rank = 0,
-                RankingType = 0,
-            },
             SubRooms = subRooms,
             Roles = wireRoles,
             LoadScreens = JsonArrayOrEmpty(room.LoadScreensJson),