diff --git a/object/types.proto b/object/types.proto
index 77e82c7..411a991 100644
--- a/object/types.proto
+++ b/object/types.proto
@@ -24,8 +24,8 @@ message ExtendedHeader {
         refs.Address Redirect                  = 2;
         // Attribute is a set of K-V object attributes
         Attribute Attribute                    = 3;
-        // Transform defines transform operation (e.g. payload split)
-        Transform Transform                    = 4;
+        // Split carries the position of the object in the split hierarchy.
+        SplitHeader SplitHeader = 4;
         // Tombstone header that set up in deleted objects
         Tombstone Tombstone                    = 5;
         // Token header contains token of the session within which the object was created
@@ -86,20 +86,6 @@ message Link {
     bytes ID = 2;
 }
 
-message Transform {
-    enum Type {
-        Unknown = 0;
-        // Split sets when object created after payload split
-        Split   = 1;
-        // Sign sets when object created after re-signing (doesn't used)
-        Sign    = 2;
-        // Mould sets when object created after filling missing headers in the object
-        Mould   = 3;
-    }
-    // Type of object transformation
-    Type type  = 1;
-}
-
 // SplitHeader groups information about spawning the object through a payload splitting.
 message SplitHeader {
     // Parent carries identifier of the origin object.
diff --git a/proto-docs/object.md b/proto-docs/object.md
index 4b87cff..fd4beba 100644
--- a/proto-docs/object.md
+++ b/proto-docs/object.md
@@ -39,7 +39,6 @@
     - [SplitHeader](#object.SplitHeader)
     - [SystemHeader](#object.SystemHeader)
     - [Tombstone](#object.Tombstone)
-    - [Transform](#object.Transform)
     
 
 - [Scalar Value Types](#scalar-value-types)
@@ -385,7 +384,7 @@ Attribute groups the parameters of the object attributes.
 | Link | [Link](#object.Link) |  | Link to other objects |
 | Redirect | [refs.Address](#refs.Address) |  | Redirect not used yet |
 | Attribute | [Attribute](#object.Attribute) |  | Attribute is a set of K-V object attributes |
-| Transform | [Transform](#object.Transform) |  | Transform defines transform operation (e.g. payload split) |
+| SplitHeader | [SplitHeader](#object.SplitHeader) |  | Split carries the position of the object in the split hierarchy. |
 | Tombstone | [Tombstone](#object.Tombstone) |  | Tombstone header that set up in deleted objects |
 | Token | [service.Token](#service.Token) |  | Token header contains token of the session within which the object was created |
 | HomoHash | [bytes](#bytes) |  | HomoHash is a homomorphic hash of original object payload |
@@ -490,17 +489,6 @@ SplitHeader groups information about spawning the object through a payload split
 
 
 
-
-<a name="object.Transform"></a>
-
-### Message Transform
-
-
-
-| Field | Type | Label | Description |
-| ----- | ---- | ----- | ----------- |
-| type | [Transform.Type](#object.Transform.Type) |  | Type of object transformation |
-
  <!-- end messages -->
 
 
@@ -519,20 +507,6 @@ SplitHeader groups information about spawning the object through a payload split
 | StorageGroup | 5 | Object that included into this storage group |
 
 
-
-<a name="object.Transform.Type"></a>
-
-### Transform.Type
-
-
-| Name | Number | Description |
-| ---- | ------ | ----------- |
-| Unknown | 0 |  |
-| Split | 1 | Split sets when object created after payload split |
-| Sign | 2 | Sign sets when object created after re-signing (doesn't used) |
-| Mould | 3 | Mould sets when object created after filling missing headers in the object |
-
-
  <!-- end enums -->