diff --git a/libcxx/include/ios b/libcxx/include/ios
--- a/libcxx/include/ios
+++ b/libcxx/include/ios
@@ -639,7 +639,7 @@
     // 27.5.4.1 Constructor/destructor:
     _LIBCPP_INLINE_VISIBILITY
     explicit basic_ios(basic_streambuf<char_type,traits_type>* __sb);
-    virtual ~basic_ios();
+    _LIBCPP_INLINE_VISIBILITY virtual ~basic_ios() {};
 
     // 27.5.4.2 Members:
     _LIBCPP_INLINE_VISIBILITY
@@ -694,11 +694,6 @@
     init(__sb);
 }
 
-template <class _CharT, class _Traits>
-basic_ios<_CharT, _Traits>::~basic_ios()
-{
-}
-
 template <class _CharT, class _Traits>
 inline _LIBCPP_INLINE_VISIBILITY
 void