diff --git a/object/types.proto b/object/types.proto
index 68eb1fa..76ab4cf 100644
--- a/object/types.proto
+++ b/object/types.proto
@@ -44,17 +44,15 @@ message ExtendedHeader {
 message Tombstone {}
 
 message SystemHeader {
-    // Version of the object structure
-    uint64 Version       = 1;
     // PayloadLength is an object payload length
-    uint64 PayloadLength = 2;
+    uint64 PayloadLength = 1;
     // Address carries object address in the NeoFS system.
     // It encapsulates the object and the container identifiers.
-    refs.Address Address = 3;
+    refs.Address Address = 2;
     // OwnerID is a wallet address
-    bytes OwnerID = 4;
+    bytes OwnerID = 3;
     // CreationEpoch carries number of NeoFS epoch on which the object was created.
-    uint64 CreationEpoch = 6;
+    uint64 CreationEpoch = 4;
 }
 
 message IntegrityHeader {
diff --git a/proto-docs/object.md b/proto-docs/object.md
index 61deded..b6a1a54 100644
--- a/proto-docs/object.md
+++ b/proto-docs/object.md
@@ -476,7 +476,6 @@ SplitHeader groups information about spawning the object through a payload split
 
 | Field | Type | Label | Description |
 | ----- | ---- | ----- | ----------- |
-| Version | [uint64](#uint64) |  | Version of the object structure |
 | PayloadLength | [uint64](#uint64) |  | PayloadLength is an object payload length |
 | Address | [refs.Address](#refs.Address) |  | Address carries object address in the NeoFS system. It encapsulates the object and the container identifiers. |
 | OwnerID | [bytes](#bytes) |  | OwnerID is a wallet address |