diff --git a/v4/any.h b/v4/any.h
index 1ba4b84..0e6f6fb 100644
--- a/v4/any.h
+++ b/v4/any.h
@@ -8,15 +8,13 @@
  *   + http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/n4562.html#any
  *   + https://cplusplus.github.io/LWG/lwg-active.html#2509
  *
- * Copyright (c) 2016 Denilson das Merc?s Amorim
+ * Copyright (c) 2016 Denilson das Mercês Amorim
  * Copyright (c) 2018 Claudio Fantacci
  *
  * Distributed under the Boost Software License, Version 1.0.
  * (See accompanying file LICENSE.md or copy at http://www.boost.org/LICENSE_1_0.txt)
  */
 
-#include <iostream>
-
 #ifndef ANY_H
 #define ANY_H
 
@@ -469,10 +467,7 @@ template<typename ValueType>
 inline ValueType any_cast(const any& operand)
 {
     auto p = any_cast<typename std::add_const<typename std::remove_reference<ValueType>::type>::type>(&operand);
-    if(p == nullptr)  {
-      std::cout << "libany err-01\n";
-      throw bad_any_cast();
-    }
+    if(p == nullptr) throw bad_any_cast();
     return *p;
 }
 
@@ -484,11 +479,7 @@ template<typename ValueType>
 inline ValueType any_cast(any& operand)
 {
     auto p = any_cast<typename std::remove_reference<ValueType>::type>(&operand);
-    if(p == nullptr) {
-      std::cout << "libany err-02\n";
-      throw bad_any_cast();
-    }
-
+    if(p == nullptr) throw bad_any_cast();
     return *p;
 }
 
@@ -515,10 +506,7 @@ inline ValueType any_cast(any&& operand)
 #endif
 
     auto p = any_cast<typename std::remove_reference<ValueType>::type>(&operand);
-    if(p == nullptr) {
-      std::cout << "libany err-03\n";
-      throw bad_any_cast();
-    }
+    if(p == nullptr) throw bad_any_cast();
     return detail::any_cast_move_if_true<ValueType>(p, can_move());
 }