diff --git a/cpdferror.ml b/cpdferror.ml
index 2329e61..e21cf2c 100644
--- a/cpdferror.ml
+++ b/cpdferror.ml
@@ -1,9 +1,6 @@
-(** Two exceptions recommended for use with the library, though currently not
-raised by any function in this module. Cpdfcommand uses them extensively. *)
+(** Two exceptions recommended for use with the library. *)
 exception SoftError of string
 
 exception HardError of string
 
 let error s = raise (SoftError s)
-
-
diff --git a/cpdfua.ml b/cpdfua.ml
index 9b2e923..aa9cfcb 100644
--- a/cpdfua.ml
+++ b/cpdfua.ml
@@ -363,7 +363,7 @@ let replace_struct_tree pdf (json : Cpdfyojson.Safe.t) =
       | Pdf.Indirect i ->
           begin match lookup i negobjnummap with
           | Some x -> Pdf.Indirect x
-          | None -> error "rewrite_indirects"
+          | None -> Pdf.Indirect i
           end
       | Pdf.Dictionary d -> Pdf.recurse_dict (rewrite_indirects negobjnummap) d
       | Pdf.Array a -> Pdf.recurse_array (rewrite_indirects negobjnummap) a