diff --git a/object/types.pb.go b/object/types.pb.go
index 459e124..b5a1e78 100644
Binary files a/object/types.pb.go and b/object/types.pb.go differ
diff --git a/object/types.proto b/object/types.proto
index d2bbaab..8f50f76 100644
--- a/object/types.proto
+++ b/object/types.proto
@@ -48,10 +48,7 @@ message Header {
     }
 }
 
-message Tombstone {
-    // Epoch when tombstone was created
-    uint64 Epoch = 1;
-}
+message Tombstone {}
 
 message SystemHeader {
     // Version of the object structure