diff --git a/.voidbot/state/aetheria.cc b/.voidbot/state/aetheria.cc
index abb9dde4e..e296a1d94 100644
Binary files a/.voidbot/state/aetheria.cc and b/.voidbot/state/aetheria.cc differ
diff --git a/Assets/Scripts/ServerShared/RuntimeProjection/Attributes.cs b/Assets/Scripts/ServerShared/RuntimeProjection/Attributes.cs
index 772d74ac3..f14fccd1b 100644
--- a/Assets/Scripts/ServerShared/RuntimeProjection/Attributes.cs
+++ b/Assets/Scripts/ServerShared/RuntimeProjection/Attributes.cs
@@ -1,11 +1,5 @@
 using System;
 
-[AttributeUsage(AttributeTargets.Class)]
-public class GlobalSettingsAttribute : Attribute { }
-
-// [AttributeUsage(AttributeTargets.Class)]
-// public class ExternalEntryAttribute : Attribute { }
-
 [AttributeUsage(AttributeTargets.All, Inherited = false)]
 public class InspectableAttribute : Attribute { }
 
@@ -65,47 +59,6 @@ public class InspectableTypeAttribute : PreferredInspectorAttribute
     }
 }
 
-[AttributeUsage(AttributeTargets.Field)]
-public class RangedFloatAttribute : Attribute
-{
-    public readonly float Min, Max;
-
-    public RangedFloatAttribute(float min, float max)
-    {
-        Min = min;
-        Max = max;
-    }
-}
-
-
-/// <summary>
-///   <para>Specify a tooltip for a field in the Inspector window.</para>
-/// </summary>
-[AttributeUsage(AttributeTargets.Field, AllowMultiple = false, Inherited = true)]
-public class TooltipAttribute : Attribute
-{
-    /// <summary>
-    ///   <para>The tooltip text.</para>
-    /// </summary>
-    public readonly string tooltip;
-
-    /// <summary>
-    ///   <para>Specify a tooltip for a field.</para>
-    /// </summary>
-    /// <param name="tooltip">The tooltip text.</param>
-    public TooltipAttribute(string tooltip) => this.tooltip = tooltip;
-}
-
-public class NameAttribute : Attribute
-{
-    public string Name;
-
-    public NameAttribute(string name)
-    {
-        Name = name;
-    }
-}
-
 public class OrderAttribute : Attribute
 {
     public int Order;
diff --git a/Assets/Scripts/ServerShared/RuntimeProjection/Serialization.meta b/Assets/Scripts/ServerShared/RuntimeProjection/Serialization.meta
deleted file mode 100644
index cff5023e9..000000000
--- a/Assets/Scripts/ServerShared/RuntimeProjection/Serialization.meta
+++ /dev/null
@@ -1,8 +0,0 @@
-fileFormatVersion: 2
-guid: 8035c545a12367f419eb4a2fe1c917b6
-folderAsset: yes
-DefaultImporter:
-  externalObjects: {}
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: 
diff --git a/docs/aetheria-perfect-machine-map.md b/docs/aetheria-perfect-machine-map.md
index 00bbf10d0..e4bb0f679 100644
--- a/docs/aetheria-perfect-machine-map.md
+++ b/docs/aetheria-perfect-machine-map.md
@@ -843,6 +843,10 @@ First Aetheria surfaces to publish:
      was removed; surviving `ItemData` DTOs own only their local legacy GUID.
    - Done: delete unused `InspectableRuntimeCatalogLinkAttribute` metadata from
      runtime DTOs; link inspection no longer masquerades as catalog authority.
+   - Done: delete the empty `RuntimeProjection/Serialization` folder marker and
+     unused projection-era attributes (`GlobalSettings`, `RangedFloat`,
+     `Tooltip`, `Name`, and the commented `ExternalEntry`) from live Unity
+     source.
    - Done: replace behavior union reflection with an explicit runtime catalog
      behavior map and remove all live `Union(...)` annotations.
    - Done: demote agent task runtime shapes from MessagePack object/key/union