diff --git a/Source/Editor/CustomEditors/CustomEditor.cs b/Source/Editor/CustomEditors/CustomEditor.cs
index 5f992729f..347eb608f 100644
--- a/Source/Editor/CustomEditors/CustomEditor.cs
+++ b/Source/Editor/CustomEditors/CustomEditor.cs
@@ -624,7 +624,7 @@ namespace FlaxEditor.CustomEditors
             return FindPrefabRoot(actor.Parent);
         }
 
-        private ISceneObject FindObjectWithPrefabObjectId(Actor actor, ref Guid prefabObjectId)
+        private SceneObject FindObjectWithPrefabObjectId(Actor actor, ref Guid prefabObjectId)
         {
             if (actor.PrefabObjectID == prefabObjectId)
                 return actor;
@@ -667,7 +667,7 @@ namespace FlaxEditor.CustomEditors
         {
             // Special case for object references
             // If prefab object has reference to other object in prefab needs to revert to matching prefab instance object not the reference prefab object value
-            if (Values.ReferenceValue is ISceneObject referenceSceneObject && referenceSceneObject.HasPrefabLink)
+            if (Values.ReferenceValue is SceneObject referenceSceneObject && referenceSceneObject.HasPrefabLink)
             {
                 if (Values.Count > 1)
                 {
diff --git a/Source/Editor/CustomEditors/Dedicated/ActorEditor.cs b/Source/Editor/CustomEditors/Dedicated/ActorEditor.cs
index 924f5aeb3..b8491abfa 100644
--- a/Source/Editor/CustomEditors/Dedicated/ActorEditor.cs
+++ b/Source/Editor/CustomEditors/Dedicated/ActorEditor.cs
@@ -206,7 +206,7 @@ namespace FlaxEditor.CustomEditors.Dedicated
                 node.Text = CustomEditorsUtil.GetPropertyNameUI(removed.PrefabObject.GetType().Name);
             }
             // Actor or Script
-            else if (editor.Values[0] is ISceneObject sceneObject)
+            else if (editor.Values[0] is SceneObject sceneObject)
             {
                 node.TextColor = sceneObject.HasPrefabLink ? FlaxEngine.GUI.Style.Current.ProgressNormal : FlaxEngine.GUI.Style.Current.BackgroundSelected;
                 node.Text = CustomEditorsUtil.GetPropertyNameUI(sceneObject.GetType().Name);
diff --git a/Source/Editor/CustomEditors/Values/ValueContainer.cs b/Source/Editor/CustomEditors/Values/ValueContainer.cs
index b2f26bb7b..f8cecb801 100644
--- a/Source/Editor/CustomEditors/Values/ValueContainer.cs
+++ b/Source/Editor/CustomEditors/Values/ValueContainer.cs
@@ -167,14 +167,14 @@ namespace FlaxEditor.CustomEditors
             {
                 if (_hasReferenceValue)
                 {
-                    if (_referenceValue is ISceneObject referenceSceneObject && referenceSceneObject.HasPrefabLink)
+                    if (_referenceValue is SceneObject referenceSceneObject && referenceSceneObject.HasPrefabLink)
                     {
                         for (int i = 0; i < Count; i++)
                         {
                             if (this[i] == referenceSceneObject)
                                 continue;
 
-                            if (this[i] == null || (this[i] is ISceneObject valueSceneObject && valueSceneObject.PrefabObjectID != referenceSceneObject.PrefabObjectID))
+                            if (this[i] == null || (this[i] is SceneObject valueSceneObject && valueSceneObject.PrefabObjectID != referenceSceneObject.PrefabObjectID))
                                 return true;
                         }
                     }
diff --git a/Source/Editor/SceneGraph/SceneGraphNode.cs b/Source/Editor/SceneGraph/SceneGraphNode.cs
index cc47c20f2..835295147 100644
--- a/Source/Editor/SceneGraph/SceneGraphNode.cs
+++ b/Source/Editor/SceneGraph/SceneGraphNode.cs
@@ -15,7 +15,7 @@ namespace FlaxEditor.SceneGraph
     /// A <see cref="SceneModule"/> class is responsible for Scene Graph management.
     /// </summary>
     [HideInEditor]
-    public abstract class SceneGraphNode : ITransformable
+    public abstract class SceneGraphNode
     {
         /// <summary>
         /// The parent node.
diff --git a/Source/Engine/Engine/ISceneObject.cs b/Source/Engine/Engine/ISceneObject.cs
deleted file mode 100644
index 2b5ae7706..000000000
--- a/Source/Engine/Engine/ISceneObject.cs
+++ /dev/null
@@ -1,37 +0,0 @@
-// Copyright (c) 2012-2021 Wojciech Figat. All rights reserved.
-
-using System;
-
-namespace FlaxEngine
-{
-    /// <summary>
-    /// Interface for scene objects that unifies various properties used across actors and scripts.
-    /// </summary>
-    public interface ISceneObject
-    {
-        /// <summary>
-        /// Gets the scene object which contains this object.
-        /// </summary>
-        Scene Scene { get; }
-
-        /// <summary>
-        /// Gets a value indicating whether this object has a valid linkage to the prefab asset.
-        /// </summary>
-        bool HasPrefabLink { get; }
-
-        /// <summary>
-        /// Gets the prefab asset ID. Empty if no prefab link exists.
-        /// </summary>
-        Guid PrefabID { get; }
-
-        /// <summary>
-        /// Gets the ID of the object within a object that is used for synchronization with this object. Empty if no prefab link exists.
-        /// </summary>
-        Guid PrefabObjectID { get; }
-
-        /// <summary>
-        /// Breaks the prefab linkage for this object (including all children).
-        /// </summary>
-        void BreakPrefabLink();
-    }
-}
diff --git a/Source/Engine/Engine/ITransformable.cs b/Source/Engine/Engine/ITransformable.cs
deleted file mode 100644
index a8bbd910c..000000000
--- a/Source/Engine/Engine/ITransformable.cs
+++ /dev/null
@@ -1,15 +0,0 @@
-// Copyright (c) 2012-2021 Wojciech Figat. All rights reserved.
-
-namespace FlaxEngine
-{
-    /// <summary>
-    /// Interface for objects that can be transformed.
-    /// </summary>
-    public interface ITransformable
-    {
-        /// <summary>
-        /// Gets or sets the transform.
-        /// </summary>
-        Transform Transform { get; set; }
-    }
-}
diff --git a/Source/Engine/Level/Actor.cs b/Source/Engine/Level/Actor.cs
index 260fef44e..cfb454354 100644
--- a/Source/Engine/Level/Actor.cs
+++ b/Source/Engine/Level/Actor.cs
@@ -4,7 +4,7 @@ using System;
 
 namespace FlaxEngine
 {
-    partial class Actor : ITransformable, ISceneObject
+    partial class Actor
     {
         /// <summary>
         /// Returns true if object is fully static on the scene, otherwise false.
diff --git a/Source/Engine/Scripting/Script.cs b/Source/Engine/Scripting/Script.cs
index 7f8561c68..c1a0894f0 100644
--- a/Source/Engine/Scripting/Script.cs
+++ b/Source/Engine/Scripting/Script.cs
@@ -2,7 +2,7 @@
 
 namespace FlaxEngine
 {
-    partial class Script : ISceneObject
+    partial class Script
     {
         /// <summary>
         /// Gets the scene object which contains this script.