diff --git a/src/plugins/aorai/aorai_visitors.ml b/src/plugins/aorai/aorai_visitors.ml
index 93889b764fe0adc88286eb2ee0cb9cc4757fe69f..22172b8226905770639e4a061c806538c283c7cd 100644
--- a/src/plugins/aorai/aorai_visitors.ml
+++ b/src/plugins/aorai/aorai_visitors.ml
@@ -41,14 +41,6 @@ let get_acceptance_pred () =
        | Bool3.False | Bool3.Undefined -> acc)
     Logic_const.pfalse st
 
-let get_call_name exp = match exp.enode with
-  | Const(CStr(s)) -> s
-  | Lval(Var(vi),NoOffset) -> vi.vname
-  | _ ->
-    Aorai_option.not_yet_implemented
-      ~source:(fst exp.eloc)
-      "At this time, only explicit calls are allowed by the Aorai plugin."
-
 (****************************************************************************)
 
 (* The instrumentation is done in two passes:
diff --git a/src/plugins/aorai/path_analysis.ml b/src/plugins/aorai/path_analysis.ml
index f1541639d21959fae9eb1b86545791f3f4882ac4..36c9ef735b4e94195ba1049f8a2785c69dc633b2 100644
--- a/src/plugins/aorai/path_analysis.ml
+++ b/src/plugins/aorai/path_analysis.ml
@@ -73,27 +73,6 @@ let dijkstra (adj: 'a -> ('a * int) list) (v1:'a) (v2:'a) =
   in
   loop (add (0,(v1,[])) (empty()))
 
-
-
-
-let existing_path (stl,_ as auto)  stn1 stn2 =
-  let st1 = ref (List.hd stl) in
-  let st2 = ref (List.hd stl) in
-  List.iter
-    (fun st ->
-       if st.nums=stn1 then st1:=st;
-       if st.nums=stn2 then st2:=st;
-    )
-    stl;
-
-  try
-    let _ = dijkstra (voisins auto) !st1 !st2 in
-    true
-  with
-  | Not_found -> false
-;;
-
-
 (** since Nitrogen-20111001 *)
 let get_transitions_of_state st (_,tr) =
   List.fold_left
@@ -101,12 +80,6 @@ let get_transitions_of_state st (_,tr) =
        if tr.start.nums = st.nums then tr::acc else acc)
     [] tr
 
-let get_transitions_to_state st (_,tr) =
-  List.fold_left
-    (fun acc tr ->
-       if tr.stop.nums = st.nums then tr::acc else acc)
-    [] tr
-
 let get_edges st1 st2 (_,tr) =
   List.find_all
     (fun tr -> tr.start.nums = st1.nums && tr.stop.nums = st2.nums)
@@ -131,16 +104,6 @@ let at_most_one_path (states,transitions as auto) st1 st2 =
       false
   with Not_found -> true
 
-let test (stl,_ as auto) =
-  let st2 = List.hd stl in
-  let st1 = List.hd (List.tl stl) in
-  Aorai_option.feedback "test : Etats choisis (%d,%d)" st1.nums st2.nums;
-  let (res,_) = dijkstra (voisins auto) st1 st2 in
-  Aorai_option.feedback "Fini.@\n%a"
-    (Pretty_utils.pp_list ~pre:"@[[" ~sep:",@ " ~suf:"@]]"
-       (fun fmt st -> Format.fprintf fmt "%d" st.nums))
-    res
-
 (*
 Local Variables:
 compile-command: "make -C ../../.."
diff --git a/src/plugins/aorai/utils_parser.ml b/src/plugins/aorai/utils_parser.ml
index d4db56dd55e79a133dad6f92106fab87ddff4f69..87b196e921f3af940d818b60c191f789d62e6e51 100644
--- a/src/plugins/aorai/utils_parser.ml
+++ b/src/plugins/aorai/utils_parser.ml
@@ -43,61 +43,3 @@ let newline lexbuf =
   let pos = lexbuf.lex_curr_p in
   lexbuf.lex_curr_p <-
     { pos with pos_lnum = pos.pos_lnum + 1; pos_bol = pos.pos_cnum }
-
-let rec get_last_field  my_field my_offset =
-  match my_offset with
-  | Cil_types.NoOffset -> my_field
-  | Cil_types.Field(fieldinfo,the_offset)  -> get_last_field fieldinfo the_offset
-  | _ ->  Aorai_option.fatal "NOT YET IMPLEMENTED : struct with array access."
-
-
-let rec add_offset father_offset new_offset =
-  match father_offset with
-  | Cil_types.NoOffset -> new_offset
-  | Cil_types.Field(_,the_offset)  -> (Cil.addOffset father_offset (add_offset the_offset new_offset))
-  | _ ->  Aorai_option.fatal "NOT YET IMPLEMENTED : struct with array access."
-
-
-
-let rec get_field_info_from_name my_list name =
-  if(List.length my_list <> 0) then begin
-    let my_field = List.hd my_list in
-    if(my_field.Cil_types.fname = name) then my_field
-    else get_field_info_from_name (List.tl my_list) name
-  end
-  else  Aorai_option.fatal "no field found with name :%s" name
-
-
-
-let get_new_offset my_host my_offset name=
-  match my_host with
-  | Cil_types.Var(var) ->
-    let var_info = var in
-    (* if my_offset is null no need to search the last field *)
-    (* else we need to have the last *)
-
-    let my_comp =
-      if (my_offset = Cil_types.NoOffset) then
-        match var_info.Cil_types.vtype with
-        | Cil_types.TComp(mc,_,_) -> mc
-        | _ -> assert false
-        (*Cil_types.TComp(my_comp,_,_) = var_info.Cil_types.vtype in*)
-
-      else begin
-        let get_field_from_offset my_offset = begin
-          match my_offset with
-          | Cil_types.Field(fieldinfo,_)  -> fieldinfo
-          | _ ->  Aorai_option.fatal "support only struct no array with struct"
-        end in
-        let field_info = get_field_from_offset my_offset in
-        let last_field_offset = get_last_field field_info my_offset in
-        (* last field in offset but not the field we want, for that we search in*)
-        let mc = last_field_offset.Cil_types.fcomp in
-        mc
-      end
-    in
-    let cfields = Option.value ~default:[] my_comp.Cil_types.cfields in
-    let field_info = get_field_info_from_name cfields name in
-    Cil_types.Field(field_info,Cil_types.NoOffset)
-
-  | _ -> Aorai_option.fatal "NOT YET IMPLEMENTED : mem is not supported"