diff --git a/include/memory b/include/memory
index e30a6fd7..8456a942 100644
--- a/include/memory
+++ b/include/memory
@@ -3603,7 +3603,9 @@ public:
     long use_count() const _NOEXCEPT {return __shared_count::use_count();}
     __shared_weak_count* lock() _NOEXCEPT;
 
+#ifndef _LIBCPP_NO_RTTI
     virtual const void* __get_deleter(const type_info&) const _NOEXCEPT;
+#endif
 private:
     virtual void __on_zero_shared_weak() _NOEXCEPT = 0;
 };