diff --git a/contrib/lutok/stack_cleaner.hpp b/contrib/lutok/stack_cleaner.hpp
--- a/contrib/lutok/stack_cleaner.hpp
+++ b/contrib/lutok/stack_cleaner.hpp
@@ -72,7 +72,7 @@
     struct impl;
 
     /// Pointer to the shared internal implementation.
-    std::auto_ptr< impl > _pimpl;
+    std::unique_ptr< impl > _pimpl;
 
     /// Disallow copies.
     stack_cleaner(const stack_cleaner&);
diff --git a/lib/liblutok/Makefile b/lib/liblutok/Makefile
--- a/lib/liblutok/Makefile
+++ b/lib/liblutok/Makefile
@@ -18,8 +18,4 @@
 WARNS?=	3
 SHLIB_MAJOR=	0
 
-# lutok uses auto_ptr
-CFLAGS+=	-Wno-deprecated-declarations
-CXXSTD=		c++11
-
 .include <bsd.lib.mk>