diff --git a/alib2std/src/extensions/memory.hpp b/alib2std/src/extensions/memory.hpp
index 733793fb65788f6de90a54623bebf15da712fa75..273e1a313bef412c8be2837872f150f0c98565ad 100644
--- a/alib2std/src/extensions/memory.hpp
+++ b/alib2std/src/extensions/memory.hpp
@@ -350,26 +350,6 @@ std::ostream & operator <<( std::ostream & out, const ext::cow_shared_ptr < T >
 	return out;
 }
 
-} /* namespace ext */
-
-namespace std {
-
-template < class T >
-std::ostream & operator <<( std::ostream & out, const std::shared_ptr < T > & ptr ) {
-	out << * ptr;
-	return out;
-}
-
-template < class T >
-std::ostream & operator <<( std::ostream & out, const std::unique_ptr < T > & ptr ) {
-	out << * ptr;
-	return out;
-}
-
-} /* namespace std */
-
-namespace ext {
-
 template < class T >
 std::ostream & operator <<( std::ostream & out, const ext::smart_ptr < T > & ptr ) {
 	out << * ptr;