diff --git a/pkg/object/object.go b/pkg/object/object.go
index be1f5b8..2d96002 100644
--- a/pkg/object/object.go
+++ b/pkg/object/object.go
@@ -117,13 +117,6 @@ func (o *Object) CutPayload() *Object {
 	return nil
 }
 
-// ToV2 converts object to v2 Object message.
-func (o *Object) ToV2() *object.Object {
-	obj, _ := o.rwObject.ToV2(nil)
-
-	return obj
-}
-
 func (o *rwObject) v2Header() *object.Header {
 	hV2 := new(object.Header)
 	hV2.SetContainerID(o.cid.ToV2())
diff --git a/pkg/object/raw.go b/pkg/object/raw.go
index c82ba5c..ffd9f21 100644
--- a/pkg/object/raw.go
+++ b/pkg/object/raw.go
@@ -38,6 +38,17 @@ func (o *RawObject) SetOwnerID(v *owner.ID) {
 	}
 }
 
+// Release returns read-only Object instance.
+func (o *RawObject) Release() *Object {
+	if o != nil {
+		return &Object{
+			rwObject: o.rwObject,
+		}
+	}
+
+	return nil
+}
+
 // SetPayloadChecksumSHA256 sets payload checksum as a SHA256 checksum.
 func (o *RawObject) SetPayloadChecksumSHA256(v [sha256.Size]byte) {
 	if o != nil {