diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9a91641..957f3d7 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -13,7 +13,6 @@ else()
 endif()
 
 option(TURTLE_INSTALL "Enable to add install target" ${IS_ROOT_PROJECT})
-option(TURTLE_AUTO_PTR "Enable support for auto_ptr" OFF)
 
 # Default boost libs are static on windows and dynamic on linux
 if(WIN32 AND NOT DEFINED Boost_USE_STATIC_LIBS)
@@ -30,9 +29,6 @@ target_include_directories(turtle INTERFACE $<BUILD_INTERFACE:include;${CMAKE_CU
 target_compile_features(turtle INTERFACE cxx_std_14)
 
 target_link_libraries(turtle INTERFACE Boost::boost Boost::disable_autolinking)
-if(NOT TURTLE_AUTO_PTR)
-  target_compile_definitions(turtle INTERFACE MOCK_NO_AUTO_PTR)
-endif()
 
 if(BUILD_TESTING)
   add_subdirectory(test)
diff --git a/include/turtle/config.hpp b/include/turtle/config.hpp
index 28cfb68..f23084d 100644
--- a/include/turtle/config.hpp
+++ b/include/turtle/config.hpp
@@ -32,12 +32,6 @@
 #   endif
 #endif
 
-#if !defined(BOOST_NO_AUTO_PTR)
-#   ifndef MOCK_NO_AUTO_PTR
-#      define MOCK_AUTO_PTR
-#   endif
-#endif
-
 #if defined(__cpp_lib_uncaught_exceptions) || \
     defined(_MSC_VER) && (_MSC_VER >= 1900)
 #   ifndef MOCK_NO_UNCAUGHT_EXCEPTIONS
diff --git a/include/turtle/detail/action.hpp b/include/turtle/detail/action.hpp
index 1f3a1b8..714d61a 100644
--- a/include/turtle/detail/action.hpp
+++ b/include/turtle/detail/action.hpp
@@ -144,34 +144,6 @@ namespace detail
         }
     };
 
-#ifdef MOCK_AUTO_PTR
-    template< typename Result, typename Signature >
-    class action< std::auto_ptr< Result >, Signature >
-        : public action_base< std::auto_ptr< Result >, Signature >
-    {
-    public:
-        template< typename Y >
-        void returns( Y* r )
-        {
-            v_.reset( r );
-            this->set( std::ref( v_ ) );
-        }
-        template< typename Y >
-        void returns( std::auto_ptr< Y > r )
-        {
-            v_ = r;
-            this->set( std::ref( v_ ) );
-        }
-        template< typename Y >
-        void returns( const std::reference_wrapper< Y >& r )
-        {
-            this->set( r );
-        }
-
-    private:
-        mutable std::auto_ptr< Result > v_;
-    };
-#endif // MOCK_AUTO_PTR
 }
 } // mock
 
diff --git a/include/turtle/log.hpp b/include/turtle/log.hpp
index 06a8928..25a4392 100644
--- a/include/turtle/log.hpp
+++ b/include/turtle/log.hpp
@@ -61,14 +61,6 @@ namespace detail
     {};
 }
 
-#ifdef MOCK_AUTO_PTR
-    template< typename T >
-    stream& operator<<( stream& s, const std::auto_ptr< T >& t )
-    {
-        return s << mock::format( t.get() );
-    }
-#endif // MOCK_AUTO_PTR
-
     template< typename T1, typename T2 >
     stream& operator<<( stream& s, const std::pair< T1, T2 >& p )
     {
diff --git a/test/detail/test_function.cpp b/test/detail/test_function.cpp
index 110bf1b..a946fc9 100644
--- a/test/detail/test_function.cpp
+++ b/test/detail/test_function.cpp
@@ -505,78 +505,6 @@ namespace
     };
 }
 
-#ifdef MOCK_AUTO_PTR
-
-BOOST_FIXTURE_TEST_CASE( triggering_an_expectation_returns_the_set_auto_ptr_value, mock_error_fixture )
-{
-    {
-        mock::detail::function< std::auto_ptr< int >() > f;
-        std::auto_ptr< int > ptr( new int( 3 ) );
-        f.expect().returns( std::ref( ptr ) );
-        BOOST_CHECK_EQUAL( 3, *ptr );
-        BOOST_CHECK_EQUAL( 3, *f() );
-        BOOST_CHECK( ! ptr.get() );
-        BOOST_CHECK( ! f().get() );
-        CHECK_CALLS( 2 );
-    }
-    {
-        mock::detail::function< std::auto_ptr< int >() > f;
-        std::auto_ptr< int > ptr( new int( 3 ) );
-        f.expect().returns( ptr );
-        BOOST_CHECK( ! ptr.get() );
-        BOOST_CHECK_EQUAL( 3, *f() );
-        BOOST_CHECK( ! f().get() );
-        CHECK_CALLS( 2 );
-    }
-    {
-        mock::detail::function< std::auto_ptr< int >() > f;
-        f.expect().returns( new int( 3 ) );
-        BOOST_CHECK_EQUAL( 3, *f() );
-        BOOST_CHECK( ! f().get() );
-        CHECK_CALLS( 2 );
-    }
-    {
-        mock::detail::function< std::auto_ptr< int >() > f;
-        f.expect().once().returns( new int( 1 ) );
-        f.expect().once().returns( new int( 2 ) );
-        f.expect().once().returns( new int( 3 ) );
-        f.expect().returns( new int( 4 ) );
-        BOOST_CHECK_EQUAL( 1, *f() );
-        BOOST_CHECK_EQUAL( 2, *f() );
-        BOOST_CHECK_EQUAL( 3, *f() );
-        BOOST_CHECK_EQUAL( 4, *f() );
-        BOOST_CHECK( ! f().get() );
-        CHECK_CALLS( 5 );
-    }
-    {
-        mock::detail::function< std::auto_ptr< int >() > f;
-        f.expect().returns( std::auto_ptr< int >( new int( 3 ) ) );
-        BOOST_CHECK_EQUAL( 3, *f() );
-        BOOST_CHECK( ! f().get() );
-        CHECK_CALLS( 2 );
-    }
-    {
-        mock::detail::function< std::auto_ptr< base >() > f;
-        f.expect().returns( new derived );
-        BOOST_CHECK_NO_THROW( f() );
-        CHECK_CALLS( 1 );
-    }
-    {
-        mock::detail::function< std::auto_ptr< base >() > f;
-        f.expect().returns( std::auto_ptr< base >( new derived ) );
-        BOOST_CHECK_NO_THROW( f() );
-        CHECK_CALLS( 1 );
-    }
-    {
-        mock::detail::function< std::auto_ptr< base >() > f;
-        f.expect().returns( std::auto_ptr< derived >( new derived ) );
-        BOOST_CHECK_NO_THROW( f() );
-        CHECK_CALLS( 1 );
-    }
-}
-
-#endif // MOCK_AUTO_PTR
-
 BOOST_FIXTURE_TEST_CASE( triggering_an_expectation_moves_the_set_lvalue, mock_error_fixture )
 {
     mock::detail::function< int() > f;
diff --git a/test/test_log.cpp b/test/test_log.cpp
index 12dc0df..a512ac6 100644
--- a/test/test_log.cpp
+++ b/test/test_log.cpp
@@ -393,16 +393,6 @@ BOOST_AUTO_TEST_CASE( std_pairs_are_serialized )
     BOOST_CHECK_EQUAL( "(3,42)", to_string( std::make_pair( 3, 42.f ) ) );
 }
 
-#ifdef MOCK_AUTO_PTR
-
-BOOST_AUTO_TEST_CASE( std_auto_ptr_are_serialized )
-{
-    BOOST_CHECK_NE( "?", to_string( std::auto_ptr< int >() ) );
-    BOOST_CHECK_NE( "?", to_string( std::auto_ptr< int >( new int( 42 ) ) ) );
-}
-
-#endif // MOCK_AUTO_PTR
-
 BOOST_AUTO_TEST_CASE( boost_shared_ptr_are_serialized )
 {
     BOOST_CHECK_NE( "?", to_string( boost::shared_ptr< int >() ) );
diff --git a/test/test_mock.cpp b/test/test_mock.cpp
index 25006b2..aecaa9a 100644
--- a/test/test_mock.cpp
+++ b/test/test_mock.cpp
@@ -207,28 +207,6 @@ BOOST_FIXTURE_TEST_CASE( mock_object_is_named, mock_error_fixture )
     BOOST_CHECK_EQUAL( "m.my_mock::my_method", to_string( MOCK_HELPER( m.my_method ) ) );
 }
 
-#ifdef MOCK_AUTO_PTR
-
-BOOST_FIXTURE_TEST_CASE( mock_object_auto_pointer_is_named, mock_error_fixture )
-{
-    std::auto_ptr< my_mock > m( new my_mock );
-    BOOST_CHECK_EQUAL( "?.my_mock::my_method", to_string( MOCK_ANONYMOUS_HELPER( m->my_method ) ) );
-    BOOST_CHECK_EQUAL( "m->my_mock::my_method", to_string( MOCK_HELPER( m->my_method ) ) );
-    BOOST_CHECK_EQUAL( "m->my_mock::my_method", to_string( MOCK_ANONYMOUS_HELPER( m->my_method ) ) );
-    BOOST_CHECK_EQUAL( "m->my_mock::my_method", to_string( MOCK_HELPER( m->my_method ) ) );
-}
-
-BOOST_FIXTURE_TEST_CASE( mock_object_const_auto_pointer_is_named, mock_error_fixture )
-{
-    const std::auto_ptr< my_mock > m( new my_mock );
-    BOOST_CHECK_EQUAL( "?.my_mock::my_method", to_string( MOCK_ANONYMOUS_HELPER( m->my_method ) ) );
-    BOOST_CHECK_EQUAL( "m->my_mock::my_method", to_string( MOCK_HELPER( m->my_method ) ) );
-    BOOST_CHECK_EQUAL( "m->my_mock::my_method", to_string( MOCK_ANONYMOUS_HELPER( m->my_method ) ) );
-    BOOST_CHECK_EQUAL( "m->my_mock::my_method", to_string( MOCK_HELPER( m->my_method ) ) );
-}
-
-#endif // MOCK_AUTO_PTR
-
 BOOST_FIXTURE_TEST_CASE( mock_object_shared_pointer_is_named, mock_error_fixture )
 {
     std::shared_ptr< my_mock > m( new my_mock );