diff --git a/src/security-oauth-file_registry.adb b/src/security-oauth-file_registry.adb
index 76c843f..468ef4f 100644
--- a/src/security-oauth-file_registry.adb
+++ b/src/security-oauth-file_registry.adb
@@ -228,6 +228,7 @@ package body Security.OAuth.File_Registry is
                        App   : in Servers.Application'Class;
                        Scope : in String;
                        Auth  : in Servers.Principal_Access) return String is
+      pragma Unreferenced (Realm, App);
       File_Auth : constant File_Principal_Access := File_Principal (Auth.all)'Access;
    begin
       for P of Security.Permissions.Get_Permission_Array (Scope) loop
@@ -279,8 +280,9 @@ package body Security.OAuth.File_Registry is
    procedure Verify (Realm : in out File_Realm_Manager;
                      Token : in String;
                      Auth  : out Servers.Principal_Access) is
+      pragma Unreferenced (Realm);
    begin
-      Log.Info ("Verify token {0}", Token);
+      Log.Info ("Verify token {0}: refused", Token);
       Auth := null;
    end Verify;
 
diff --git a/src/security-oauth-servers.adb b/src/security-oauth-servers.adb
index 8e6eeca..914dd47 100644
--- a/src/security-oauth-servers.adb
+++ b/src/security-oauth-servers.adb
@@ -84,7 +84,8 @@ package body Security.OAuth.Servers is
    begin
       if Decode then
          declare
-            Decoder : constant Util.Encoders.Decoder := Util.Encoders.Create (Util.Encoders.BASE_64_URL);
+            Decoder : constant Util.Encoders.Decoder
+              := Util.Encoders.Create (Util.Encoders.BASE_64_URL);
             Content : constant String := Decoder.Decode (Key);
          begin
             Manager.Private_Key := To_Unbounded_String (Content);
@@ -329,7 +330,7 @@ package body Security.OAuth.Servers is
                Grant.Expires := Ada.Calendar.Clock + App.Expire_Timeout;
                Grant.Expires_In := App.Expire_Timeout;
                Grant.Error   := null;
-               Realm.Create_Token (Realm.Realm.Authorize (App, Scope, Grant.Auth), Grant);
+               Realm.Create_Token (Realm.Realm.Authorize (App, SCOPE, Grant.Auth), Grant);
             end if;
          end if;
       end if;
diff --git a/src/security-policies-urls.adb b/src/security-policies-urls.adb
index 6370faf..4c28a05 100644
--- a/src/security-policies-urls.adb
+++ b/src/security-policies-urls.adb
@@ -1,6 +1,6 @@
 -----------------------------------------------------------------------
 --  security-policies-urls -- URL security policy
---  Copyright (C) 2010, 2011, 2012, 2016 Stephane Carrez
+--  Copyright (C) 2010, 2011, 2012, 2016, 2018 Stephane Carrez
 --  Written by Stephane Carrez (Stephane.Carrez@gmail.com)
 --
 --  Licensed under the Apache License, Version 2.0 (the "License");
@@ -20,7 +20,6 @@ with Ada.Unchecked_Deallocation;
 
 with Util.Beans.Objects;
 with Util.Beans.Objects.Vectors;
-with Util.Serialize.Mappers;
 with Util.Serialize.Mappers.Record_Mapper;
 
 with Security.Controllers.URLs;