diff --git a/libcxx/include/fstream b/libcxx/include/fstream
--- a/libcxx/include/fstream
+++ b/libcxx/include/fstream
@@ -219,16 +219,12 @@
 
     // 27.9.1.2 Constructors/destructor:
     basic_filebuf();
-#ifndef _LIBCPP_CXX03_LANG
     basic_filebuf(basic_filebuf&& __rhs);
-#endif
     virtual ~basic_filebuf();
 
     // 27.9.1.3 Assign/swap:
-#ifndef _LIBCPP_CXX03_LANG
     _LIBCPP_INLINE_VISIBILITY
     basic_filebuf& operator=(basic_filebuf&& __rhs);
-#endif
     void swap(basic_filebuf& __rhs);
 
     // 27.9.1.4 Members:
@@ -318,8 +314,6 @@
     setbuf(nullptr, 4096);
 }
 
-#ifndef _LIBCPP_CXX03_LANG
-
 template <class _CharT, class _Traits>
 basic_filebuf<_CharT, _Traits>::basic_filebuf(basic_filebuf&& __rhs)
     : basic_streambuf<_CharT, _Traits>(__rhs)
@@ -394,8 +388,6 @@
     return *this;
 }
 
-#endif // _LIBCPP_CXX03_LANG
-
 template <class _CharT, class _Traits>
 basic_filebuf<_CharT, _Traits>::~basic_filebuf()
 {
@@ -1164,13 +1156,10 @@
       : basic_ifstream(__p.c_str(), __mode) {}
 #endif // _LIBCPP_STD_VER >= 17
 #endif
-#ifndef _LIBCPP_CXX03_LANG
     _LIBCPP_INLINE_VISIBILITY
     basic_ifstream(basic_ifstream&& __rhs);
-
     _LIBCPP_INLINE_VISIBILITY
     basic_ifstream& operator=(basic_ifstream&& __rhs);
-#endif
     _LIBCPP_INLINE_VISIBILITY
     void swap(basic_ifstream& __rhs);
 
@@ -1240,8 +1229,6 @@
 }
 #endif
 
-#ifndef _LIBCPP_CXX03_LANG
-
 template <class _CharT, class _Traits>
 inline
 basic_ifstream<_CharT, _Traits>::basic_ifstream(basic_ifstream&& __rhs)
@@ -1261,8 +1248,6 @@
     return *this;
 }
 
-#endif // _LIBCPP_CXX03_LANG
-
 template <class _CharT, class _Traits>
 inline
 void
@@ -1379,13 +1364,10 @@
       : basic_ofstream(__p.c_str(), __mode) {}
 #endif // _LIBCPP_STD_VER >= 17
 
-#ifndef _LIBCPP_CXX03_LANG
     _LIBCPP_INLINE_VISIBILITY
     basic_ofstream(basic_ofstream&& __rhs);
-
     _LIBCPP_INLINE_VISIBILITY
     basic_ofstream& operator=(basic_ofstream&& __rhs);
-#endif
     _LIBCPP_INLINE_VISIBILITY
     void swap(basic_ofstream& __rhs);
 
@@ -1454,8 +1436,6 @@
 }
 #endif
 
-#ifndef _LIBCPP_CXX03_LANG
-
 template <class _CharT, class _Traits>
 inline
 basic_ofstream<_CharT, _Traits>::basic_ofstream(basic_ofstream&& __rhs)
@@ -1475,8 +1455,6 @@
     return *this;
 }
 
-#endif // _LIBCPP_CXX03_LANG
-
 template <class _CharT, class _Traits>
 inline
 void
@@ -1595,13 +1573,12 @@
 #endif // _LIBCPP_STD_VER >= 17
 
 #endif
-#ifndef _LIBCPP_CXX03_LANG
     _LIBCPP_INLINE_VISIBILITY
     basic_fstream(basic_fstream&& __rhs);
 
     _LIBCPP_INLINE_VISIBILITY
     basic_fstream& operator=(basic_fstream&& __rhs);
-#endif
+
     _LIBCPP_INLINE_VISIBILITY
     void swap(basic_fstream& __rhs);
 
@@ -1668,8 +1645,6 @@
 }
 #endif
 
-#ifndef _LIBCPP_CXX03_LANG
-
 template <class _CharT, class _Traits>
 inline
 basic_fstream<_CharT, _Traits>::basic_fstream(basic_fstream&& __rhs)
@@ -1689,8 +1664,6 @@
     return *this;
 }
 
-#endif // _LIBCPP_CXX03_LANG
-
 template <class _CharT, class _Traits>
 inline
 void
diff --git a/libcxx/include/ios b/libcxx/include/ios
--- a/libcxx/include/ios
+++ b/libcxx/include/ios
@@ -662,10 +662,8 @@
 
     _LIBCPP_INLINE_VISIBILITY
     void move(basic_ios& __rhs);
-#ifndef _LIBCPP_CXX03_LANG
     _LIBCPP_INLINE_VISIBILITY
     void move(basic_ios&& __rhs) {move(__rhs);}
-#endif
     _LIBCPP_INLINE_VISIBILITY
     void swap(basic_ios& __rhs) _NOEXCEPT;
     _LIBCPP_INLINE_VISIBILITY
diff --git a/libcxx/include/istream b/libcxx/include/istream
--- a/libcxx/include/istream
+++ b/libcxx/include/istream
@@ -192,14 +192,12 @@
     { this->init(__sb); }
     virtual ~basic_istream();
 protected:
-#ifndef _LIBCPP_CXX03_LANG
     inline _LIBCPP_INLINE_VISIBILITY
     basic_istream(basic_istream&& __rhs);
 
     // 27.7.1.1.2 Assign/swap:
     inline _LIBCPP_INLINE_VISIBILITY
     basic_istream& operator=(basic_istream&& __rhs);
-#endif
 
     inline _LIBCPP_HIDE_FROM_ABI_AFTER_V1
     void swap(basic_istream& __rhs) {
@@ -207,10 +205,8 @@
       basic_ios<char_type, traits_type>::swap(__rhs);
     }
 
-#ifndef _LIBCPP_CXX03_LANG
     basic_istream           (const basic_istream& __rhs) = delete;
     basic_istream& operator=(const basic_istream& __rhs) = delete;
-#endif
 public:
 
     // 27.7.1.1.3 Prefix/suffix:
@@ -333,8 +329,6 @@
         __is.setstate(ios_base::failbit);
 }
 
-#ifndef _LIBCPP_CXX03_LANG
-
 template <class _CharT, class _Traits>
 basic_istream<_CharT, _Traits>::basic_istream(basic_istream&& __rhs)
     : __gc_(__rhs.__gc_)
@@ -351,8 +345,6 @@
     return *this;
 }
 
-#endif // _LIBCPP_CXX03_LANG
-
 template <class _CharT, class _Traits>
 basic_istream<_CharT, _Traits>::~basic_istream()
 {
@@ -1416,21 +1408,18 @@
 
     virtual ~basic_iostream();
 protected:
-#ifndef _LIBCPP_CXX03_LANG
     inline _LIBCPP_INLINE_VISIBILITY
     basic_iostream(basic_iostream&& __rhs);
 
     // assign/swap
     inline _LIBCPP_INLINE_VISIBILITY
     basic_iostream& operator=(basic_iostream&& __rhs);
-#endif
+
     inline _LIBCPP_HIDE_FROM_ABI_AFTER_V1
     void swap(basic_iostream& __rhs)
     { basic_istream<char_type, traits_type>::swap(__rhs); }
 };
 
-#ifndef _LIBCPP_CXX03_LANG
-
 template <class _CharT, class _Traits>
 basic_iostream<_CharT, _Traits>::basic_iostream(basic_iostream&& __rhs)
     : basic_istream<_CharT, _Traits>(_VSTD::move(__rhs))
@@ -1445,8 +1434,6 @@
     return *this;
 }
 
-#endif // _LIBCPP_CXX03_LANG
-
 template <class _CharT, class _Traits>
 basic_iostream<_CharT, _Traits>::~basic_iostream()
 {
@@ -1570,8 +1557,6 @@
     return getline(__is, __str, __is.widen('\n'));
 }
 
-#ifndef _LIBCPP_CXX03_LANG
-
 template<class _CharT, class _Traits, class _Allocator>
 inline _LIBCPP_INLINE_VISIBILITY
 basic_istream<_CharT, _Traits>&
@@ -1590,8 +1575,6 @@
     return getline(__is, __str, __is.widen('\n'));
 }
 
-#endif // _LIBCPP_CXX03_LANG
-
 template <class _CharT, class _Traits, size_t _Size>
 basic_istream<_CharT, _Traits>&
 operator>>(basic_istream<_CharT, _Traits>& __is, bitset<_Size>& __x)
diff --git a/libcxx/include/ostream b/libcxx/include/ostream
--- a/libcxx/include/ostream
+++ b/libcxx/include/ostream
@@ -165,27 +165,21 @@
     { this->init(__sb); }
     virtual ~basic_ostream();
 protected:
-#ifndef _LIBCPP_CXX03_LANG
     inline _LIBCPP_INLINE_VISIBILITY
     basic_ostream(basic_ostream&& __rhs);
 
     // 27.7.2.3 Assign/swap
     inline _LIBCPP_INLINE_VISIBILITY
     basic_ostream& operator=(basic_ostream&& __rhs);
-#endif
+
     inline _LIBCPP_HIDE_FROM_ABI_AFTER_V1
     void swap(basic_ostream& __rhs)
     { basic_ios<char_type, traits_type>::swap(__rhs); }
 
-#ifndef _LIBCPP_CXX03_LANG
     basic_ostream           (const basic_ostream& __rhs) = delete;
     basic_ostream& operator=(const basic_ostream& __rhs) = delete;
-#else
-    basic_ostream           (const basic_ostream& __rhs); // not defined
-    basic_ostream& operator=(const basic_ostream& __rhs); // not defined
-#endif
-public:
 
+public:
     // 27.7.2.4 Prefix/suffix:
     class _LIBCPP_TEMPLATE_VIS sentry;
 
@@ -291,8 +285,6 @@
     }
 }
 
-#ifndef _LIBCPP_CXX03_LANG
-
 template <class _CharT, class _Traits>
 basic_ostream<_CharT, _Traits>::basic_ostream(basic_ostream&& __rhs)
 {
@@ -307,8 +299,6 @@
     return *this;
 }
 
-#endif // _LIBCPP_CXX03_LANG
-
 template <class _CharT, class _Traits>
 basic_ostream<_CharT, _Traits>::~basic_ostream()
 {
diff --git a/libcxx/include/sstream b/libcxx/include/sstream
--- a/libcxx/include/sstream
+++ b/libcxx/include/sstream
@@ -219,19 +219,13 @@
 
 public:
     // 30.8.2.1 [stringbuf.cons], constructors
-#ifndef _LIBCPP_CXX03_LANG
     _LIBCPP_INLINE_VISIBILITY
-    basic_stringbuf() : basic_stringbuf(ios_base::in | ios_base::out) {}
+    basic_stringbuf()
+        : __hm_(nullptr), __mode_(ios_base::in | ios_base::out) {}
 
     _LIBCPP_INLINE_VISIBILITY
     explicit basic_stringbuf(ios_base::openmode __wch)
         : __hm_(nullptr), __mode_(__wch) {}
-#else
-    _LIBCPP_INLINE_VISIBILITY
-    explicit basic_stringbuf(ios_base::openmode __wch = ios_base::in |
-                                                        ios_base::out)
-        : __hm_(nullptr), __mode_(__wch) {}
-#endif
 
     _LIBCPP_INLINE_VISIBILITY
     explicit basic_stringbuf(const string_type& __s,
@@ -643,18 +637,13 @@
 
 public:
     // 30.8.3.1 [istringstream.cons], constructors
-#ifndef _LIBCPP_CXX03_LANG
     _LIBCPP_INLINE_VISIBILITY
-    basic_istringstream() : basic_istringstream(ios_base::in) {}
+    basic_istringstream()
+        : basic_istream<_CharT, _Traits>(&__sb_), __sb_(ios_base::in) {}
 
     _LIBCPP_INLINE_VISIBILITY
     explicit basic_istringstream(ios_base::openmode __wch)
         : basic_istream<_CharT, _Traits>(&__sb_), __sb_(__wch | ios_base::in) {}
-#else
-    _LIBCPP_INLINE_VISIBILITY
-    explicit basic_istringstream(ios_base::openmode __wch = ios_base::in)
-        : basic_istream<_CharT, _Traits>(&__sb_), __sb_(__wch | ios_base::in) {}
-#endif
 
     _LIBCPP_INLINE_VISIBILITY
     explicit basic_istringstream(const string_type& __s,
@@ -728,20 +717,13 @@
 
 public:
     // 30.8.4.1 [ostringstream.cons], constructors
-#ifndef _LIBCPP_CXX03_LANG
     _LIBCPP_INLINE_VISIBILITY
-    basic_ostringstream() : basic_ostringstream(ios_base::out) {}
+    basic_ostringstream()
+        : basic_ostream<_CharT, _Traits>(&__sb_), __sb_(ios_base::out) {}
 
     _LIBCPP_INLINE_VISIBILITY
     explicit basic_ostringstream(ios_base::openmode __wch)
-        : basic_ostream<_CharT, _Traits>(&__sb_),
-          __sb_(__wch | ios_base::out) {}
-#else
-    _LIBCPP_INLINE_VISIBILITY
-    explicit basic_ostringstream(ios_base::openmode __wch = ios_base::out)
-        : basic_ostream<_CharT, _Traits>(&__sb_),
-          __sb_(__wch | ios_base::out) {}
-#endif
+        : basic_ostream<_CharT, _Traits>(&__sb_), __sb_(__wch | ios_base::out) {}
 
     _LIBCPP_INLINE_VISIBILITY
     explicit basic_ostringstream(const string_type& __s,
@@ -816,19 +798,13 @@
 
 public:
     // 30.8.5.1 [stringstream.cons], constructors
-#ifndef _LIBCPP_CXX03_LANG
     _LIBCPP_INLINE_VISIBILITY
-    basic_stringstream() : basic_stringstream(ios_base::in | ios_base::out) {}
+    basic_stringstream()
+        : basic_iostream<_CharT, _Traits>(&__sb_), __sb_(ios_base::in | ios_base::out) {}
 
     _LIBCPP_INLINE_VISIBILITY
     explicit basic_stringstream(ios_base::openmode __wch)
         : basic_iostream<_CharT, _Traits>(&__sb_), __sb_(__wch) {}
-#else
-    _LIBCPP_INLINE_VISIBILITY
-    explicit basic_stringstream(ios_base::openmode __wch = ios_base::in |
-                                                           ios_base::out)
-        : basic_iostream<_CharT, _Traits>(&__sb_), __sb_(__wch) {}
-#endif
 
     _LIBCPP_INLINE_VISIBILITY
     explicit basic_stringstream(const string_type& __s,
diff --git a/libcxx/include/string b/libcxx/include/string
--- a/libcxx/include/string
+++ b/libcxx/include/string
@@ -4439,8 +4439,6 @@
 getline(basic_istream<_CharT, _Traits>& __is,
         basic_string<_CharT, _Traits, _Allocator>& __str);
 
-#ifndef _LIBCPP_CXX03_LANG
-
 template<class _CharT, class _Traits, class _Allocator>
 inline _LIBCPP_INLINE_VISIBILITY
 basic_istream<_CharT, _Traits>&
@@ -4453,8 +4451,6 @@
 getline(basic_istream<_CharT, _Traits>&& __is,
         basic_string<_CharT, _Traits, _Allocator>& __str);
 
-#endif // _LIBCPP_CXX03_LANG
-
 #if _LIBCPP_STD_VER > 17
 template <class _CharT, class _Traits, class _Allocator, class _Up>
 inline _LIBCPP_INLINE_VISIBILITY
diff --git a/libcxx/test/std/input.output/file.streams/fstreams/filebuf.assign/move_assign.pass.cpp b/libcxx/test/std/input.output/file.streams/fstreams/filebuf.assign/move_assign.pass.cpp
--- a/libcxx/test/std/input.output/file.streams/fstreams/filebuf.assign/move_assign.pass.cpp
+++ b/libcxx/test/std/input.output/file.streams/fstreams/filebuf.assign/move_assign.pass.cpp
@@ -6,8 +6,6 @@
 //
 //===----------------------------------------------------------------------===//
 
-// UNSUPPORTED: c++03
-
 // <fstream>
 
 // template <class charT, class traits = char_traits<charT> >
diff --git a/libcxx/test/std/input.output/file.streams/fstreams/filebuf.cons/move.pass.cpp b/libcxx/test/std/input.output/file.streams/fstreams/filebuf.cons/move.pass.cpp
--- a/libcxx/test/std/input.output/file.streams/fstreams/filebuf.cons/move.pass.cpp
+++ b/libcxx/test/std/input.output/file.streams/fstreams/filebuf.cons/move.pass.cpp
@@ -6,8 +6,6 @@
 //
 //===----------------------------------------------------------------------===//
 
-// UNSUPPORTED: c++03
-
 // <fstream>
 
 // template <class charT, class traits = char_traits<charT> >
@@ -31,7 +29,7 @@
         assert(f.sputn("123", 3) == 3);
         f.pubseekoff(1, std::ios_base::beg);
         assert(f.sgetc() == '2');
-        std::filebuf f2(move(f));
+        std::filebuf f2(std::move(f));
         assert(!f.is_open());
         assert(f2.is_open());
         assert(f2.sgetc() == '2');
@@ -45,7 +43,7 @@
         assert(f.sputn(L"123", 3) == 3);
         f.pubseekoff(1, std::ios_base::beg);
         assert(f.sgetc() == L'2');
-        std::wfilebuf f2(move(f));
+        std::wfilebuf f2(std::move(f));
         assert(!f.is_open());
         assert(f2.is_open());
         assert(f2.sgetc() == L'2');
diff --git a/libcxx/test/std/input.output/file.streams/fstreams/fstream.assign/move_assign.pass.cpp b/libcxx/test/std/input.output/file.streams/fstreams/fstream.assign/move_assign.pass.cpp
--- a/libcxx/test/std/input.output/file.streams/fstreams/fstream.assign/move_assign.pass.cpp
+++ b/libcxx/test/std/input.output/file.streams/fstreams/fstream.assign/move_assign.pass.cpp
@@ -6,8 +6,6 @@
 //
 //===----------------------------------------------------------------------===//
 
-// UNSUPPORTED: c++03
-
 // <fstream>
 
 // template <class charT, class traits = char_traits<charT> >
diff --git a/libcxx/test/std/input.output/file.streams/fstreams/fstream.cons/move.pass.cpp b/libcxx/test/std/input.output/file.streams/fstreams/fstream.cons/move.pass.cpp
--- a/libcxx/test/std/input.output/file.streams/fstreams/fstream.cons/move.pass.cpp
+++ b/libcxx/test/std/input.output/file.streams/fstreams/fstream.cons/move.pass.cpp
@@ -6,8 +6,6 @@
 //
 //===----------------------------------------------------------------------===//
 
-// UNSUPPORTED: c++03
-
 // <fstream>
 
 // template <class charT, class traits = char_traits<charT> >
@@ -26,7 +24,7 @@
     {
         std::fstream fso(temp, std::ios_base::in | std::ios_base::out
                                                  | std::ios_base::trunc);
-        std::fstream fs = move(fso);
+        std::fstream fs = std::move(fso);
         double x = 0;
         fs << 3.25;
         fs.seekg(0);
@@ -37,7 +35,7 @@
     {
         std::wfstream fso(temp, std::ios_base::in | std::ios_base::out
                                                   | std::ios_base::trunc);
-        std::wfstream fs = move(fso);
+        std::wfstream fs = std::move(fso);
         double x = 0;
         fs << 3.25;
         fs.seekg(0);
diff --git a/libcxx/test/std/input.output/file.streams/fstreams/ifstream.assign/move_assign.pass.cpp b/libcxx/test/std/input.output/file.streams/fstreams/ifstream.assign/move_assign.pass.cpp
--- a/libcxx/test/std/input.output/file.streams/fstreams/ifstream.assign/move_assign.pass.cpp
+++ b/libcxx/test/std/input.output/file.streams/fstreams/ifstream.assign/move_assign.pass.cpp
@@ -6,7 +6,6 @@
 //
 //===----------------------------------------------------------------------===//
 
-// UNSUPPORTED: c++03
 // FILE_DEPENDENCIES: test.dat
 
 // <fstream>
diff --git a/libcxx/test/std/input.output/file.streams/fstreams/ifstream.cons/move.pass.cpp b/libcxx/test/std/input.output/file.streams/fstreams/ifstream.cons/move.pass.cpp
--- a/libcxx/test/std/input.output/file.streams/fstreams/ifstream.cons/move.pass.cpp
+++ b/libcxx/test/std/input.output/file.streams/fstreams/ifstream.cons/move.pass.cpp
@@ -6,7 +6,6 @@
 //
 //===----------------------------------------------------------------------===//
 
-// UNSUPPORTED: c++03
 // FILE_DEPENDENCIES: test.dat
 
 // <fstream>
@@ -25,14 +24,14 @@
 {
     {
         std::ifstream fso("test.dat");
-        std::ifstream fs = move(fso);
+        std::ifstream fs = std::move(fso);
         double x = 0;
         fs >> x;
         assert(x == 3.25);
     }
     {
         std::wifstream fso("test.dat");
-        std::wifstream fs = move(fso);
+        std::wifstream fs = std::move(fso);
         double x = 0;
         fs >> x;
         assert(x == 3.25);
diff --git a/libcxx/test/std/input.output/file.streams/fstreams/ofstream.assign/move_assign.pass.cpp b/libcxx/test/std/input.output/file.streams/fstreams/ofstream.assign/move_assign.pass.cpp
--- a/libcxx/test/std/input.output/file.streams/fstreams/ofstream.assign/move_assign.pass.cpp
+++ b/libcxx/test/std/input.output/file.streams/fstreams/ofstream.assign/move_assign.pass.cpp
@@ -6,8 +6,6 @@
 //
 //===----------------------------------------------------------------------===//
 
-// UNSUPPORTED: c++03
-
 // <fstream>
 
 // template <class charT, class traits = char_traits<charT> >
diff --git a/libcxx/test/std/input.output/file.streams/fstreams/ofstream.cons/move.pass.cpp b/libcxx/test/std/input.output/file.streams/fstreams/ofstream.cons/move.pass.cpp
--- a/libcxx/test/std/input.output/file.streams/fstreams/ofstream.cons/move.pass.cpp
+++ b/libcxx/test/std/input.output/file.streams/fstreams/ofstream.cons/move.pass.cpp
@@ -6,8 +6,6 @@
 //
 //===----------------------------------------------------------------------===//
 
-// UNSUPPORTED: c++03
-
 // <fstream>
 
 // template <class charT, class traits = char_traits<charT> >
@@ -25,7 +23,7 @@
     std::string temp = get_temp_file_name();
     {
         std::ofstream fso(temp.c_str());
-        std::ofstream fs = move(fso);
+        std::ofstream fs = std::move(fso);
         fs << 3.25;
     }
     {
@@ -37,7 +35,7 @@
     std::remove(temp.c_str());
     {
         std::wofstream fso(temp.c_str());
-        std::wofstream fs = move(fso);
+        std::wofstream fs = std::move(fso);
         fs << 3.25;
     }
     {
diff --git a/libcxx/test/std/input.output/iostream.format/input.streams/iostreamclass/iostream.assign/move_assign.pass.cpp b/libcxx/test/std/input.output/iostream.format/input.streams/iostreamclass/iostream.assign/move_assign.pass.cpp
--- a/libcxx/test/std/input.output/iostream.format/input.streams/iostreamclass/iostream.assign/move_assign.pass.cpp
+++ b/libcxx/test/std/input.output/iostream.format/input.streams/iostreamclass/iostream.assign/move_assign.pass.cpp
@@ -6,8 +6,6 @@
 //
 //===----------------------------------------------------------------------===//
 
-// UNSUPPORTED: c++03
-
 // <istream>
 
 // template <class charT, class traits = char_traits<charT> >
diff --git a/libcxx/test/std/input.output/iostream.format/input.streams/iostreamclass/iostream.cons/move.pass.cpp b/libcxx/test/std/input.output/iostream.format/input.streams/iostreamclass/iostream.cons/move.pass.cpp
--- a/libcxx/test/std/input.output/iostream.format/input.streams/iostreamclass/iostream.cons/move.pass.cpp
+++ b/libcxx/test/std/input.output/iostream.format/input.streams/iostreamclass/iostream.cons/move.pass.cpp
@@ -6,8 +6,6 @@
 //
 //===----------------------------------------------------------------------===//
 
-// UNSUPPORTED: c++03
-
 // <istream>
 
 // template <class charT, class traits = char_traits<charT> >
diff --git a/libcxx/test/std/input.output/iostream.format/input.streams/istream/istream.assign/move_assign.pass.cpp b/libcxx/test/std/input.output/iostream.format/input.streams/istream/istream.assign/move_assign.pass.cpp
--- a/libcxx/test/std/input.output/iostream.format/input.streams/istream/istream.assign/move_assign.pass.cpp
+++ b/libcxx/test/std/input.output/iostream.format/input.streams/istream/istream.assign/move_assign.pass.cpp
@@ -6,8 +6,6 @@
 //
 //===----------------------------------------------------------------------===//
 
-// UNSUPPORTED: c++03
-
 // <istream>
 
 // template <class charT, class traits = char_traits<charT> >
diff --git a/libcxx/test/std/input.output/iostream.format/input.streams/istream/istream.cons/copy.fail.cpp b/libcxx/test/std/input.output/iostream.format/input.streams/istream/istream.cons/copy.fail.cpp
--- a/libcxx/test/std/input.output/iostream.format/input.streams/istream/istream.cons/copy.fail.cpp
+++ b/libcxx/test/std/input.output/iostream.format/input.streams/istream/istream.cons/copy.fail.cpp
@@ -6,8 +6,6 @@
 //
 //===----------------------------------------------------------------------===//
 
-// UNSUPPORTED: c++03
-
 // <istream>
 
 // template <class charT, class traits = char_traits<charT> >
@@ -47,10 +45,7 @@
 
 };
 
-
 int main(int, char**)
 {
-
-
   return 0;
 }
diff --git a/libcxx/test/std/input.output/iostream.format/input.streams/istream/istream.cons/move.pass.cpp b/libcxx/test/std/input.output/iostream.format/input.streams/istream/istream.cons/move.pass.cpp
--- a/libcxx/test/std/input.output/iostream.format/input.streams/istream/istream.cons/move.pass.cpp
+++ b/libcxx/test/std/input.output/iostream.format/input.streams/istream/istream.cons/move.pass.cpp
@@ -6,8 +6,6 @@
 //
 //===----------------------------------------------------------------------===//
 
-// UNSUPPORTED: c++03
-
 // <istream>
 
 // template <class charT, class traits = char_traits<charT> >
diff --git a/libcxx/test/std/input.output/iostream.format/output.streams/ostream.assign/move_assign.pass.cpp b/libcxx/test/std/input.output/iostream.format/output.streams/ostream.assign/move_assign.pass.cpp
--- a/libcxx/test/std/input.output/iostream.format/output.streams/ostream.assign/move_assign.pass.cpp
+++ b/libcxx/test/std/input.output/iostream.format/output.streams/ostream.assign/move_assign.pass.cpp
@@ -6,8 +6,6 @@
 //
 //===----------------------------------------------------------------------===//
 
-// UNSUPPORTED: c++03
-
 // <ostream>
 
 // template <class charT, class traits = char_traits<charT> >
diff --git a/libcxx/test/std/input.output/iostream.format/output.streams/ostream.cons/move.pass.cpp b/libcxx/test/std/input.output/iostream.format/output.streams/ostream.cons/move.pass.cpp
--- a/libcxx/test/std/input.output/iostream.format/output.streams/ostream.cons/move.pass.cpp
+++ b/libcxx/test/std/input.output/iostream.format/output.streams/ostream.cons/move.pass.cpp
@@ -6,8 +6,6 @@
 //
 //===----------------------------------------------------------------------===//
 
-// UNSUPPORTED: c++03
-
 // <ostream>
 
 // template <class charT, class traits = char_traits<charT> >
diff --git a/libcxx/test/std/input.output/iostreams.base/is_error_code_enum_io_errc.pass.cpp b/libcxx/test/std/input.output/iostreams.base/is_error_code_enum_io_errc.pass.cpp
--- a/libcxx/test/std/input.output/iostreams.base/is_error_code_enum_io_errc.pass.cpp
+++ b/libcxx/test/std/input.output/iostreams.base/is_error_code_enum_io_errc.pass.cpp
@@ -5,8 +5,6 @@
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
-//
-// UNSUPPORTED: c++03
 
 // <ios>
 
diff --git a/libcxx/test/std/input.output/string.streams/istringstream/istringstream.assign/move.pass.cpp b/libcxx/test/std/input.output/string.streams/istringstream/istringstream.assign/move.pass.cpp
--- a/libcxx/test/std/input.output/string.streams/istringstream/istringstream.assign/move.pass.cpp
+++ b/libcxx/test/std/input.output/string.streams/istringstream/istringstream.assign/move.pass.cpp
@@ -6,8 +6,6 @@
 //
 //===----------------------------------------------------------------------===//
 
-// UNSUPPORTED: c++03
-
 // <sstream>
 
 // template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> >
diff --git a/libcxx/test/std/input.output/string.streams/istringstream/istringstream.cons/move.pass.cpp b/libcxx/test/std/input.output/string.streams/istringstream/istringstream.cons/move.pass.cpp
--- a/libcxx/test/std/input.output/string.streams/istringstream/istringstream.cons/move.pass.cpp
+++ b/libcxx/test/std/input.output/string.streams/istringstream/istringstream.cons/move.pass.cpp
@@ -6,8 +6,6 @@
 //
 //===----------------------------------------------------------------------===//
 
-// UNSUPPORTED: c++03
-
 // <sstream>
 
 // template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> >
diff --git a/libcxx/test/std/input.output/string.streams/ostringstream/ostringstream.assign/move.pass.cpp b/libcxx/test/std/input.output/string.streams/ostringstream/ostringstream.assign/move.pass.cpp
--- a/libcxx/test/std/input.output/string.streams/ostringstream/ostringstream.assign/move.pass.cpp
+++ b/libcxx/test/std/input.output/string.streams/ostringstream/ostringstream.assign/move.pass.cpp
@@ -6,8 +6,6 @@
 //
 //===----------------------------------------------------------------------===//
 
-// UNSUPPORTED: c++03
-
 // <sstream>
 
 // template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> >
diff --git a/libcxx/test/std/input.output/string.streams/ostringstream/ostringstream.cons/move.pass.cpp b/libcxx/test/std/input.output/string.streams/ostringstream/ostringstream.cons/move.pass.cpp
--- a/libcxx/test/std/input.output/string.streams/ostringstream/ostringstream.cons/move.pass.cpp
+++ b/libcxx/test/std/input.output/string.streams/ostringstream/ostringstream.cons/move.pass.cpp
@@ -6,8 +6,6 @@
 //
 //===----------------------------------------------------------------------===//
 
-// UNSUPPORTED: c++03
-
 // <sstream>
 
 // template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> >
diff --git a/libcxx/test/std/input.output/string.streams/stringbuf/stringbuf.cons/move.pass.cpp b/libcxx/test/std/input.output/string.streams/stringbuf/stringbuf.cons/move.pass.cpp
--- a/libcxx/test/std/input.output/string.streams/stringbuf/stringbuf.cons/move.pass.cpp
+++ b/libcxx/test/std/input.output/string.streams/stringbuf/stringbuf.cons/move.pass.cpp
@@ -22,32 +22,32 @@
 {
     {
         std::stringbuf buf1("testing");
-        std::stringbuf buf(move(buf1));
+        std::stringbuf buf(std::move(buf1));
         assert(buf.str() == "testing");
     }
     {
         std::stringbuf buf1("testing", std::ios_base::in);
-        std::stringbuf buf(move(buf1));
+        std::stringbuf buf(std::move(buf1));
         assert(buf.str() == "testing");
     }
     {
         std::stringbuf buf1("testing", std::ios_base::out);
-        std::stringbuf buf(move(buf1));
+        std::stringbuf buf(std::move(buf1));
         assert(buf.str() == "testing");
     }
     {
         std::wstringbuf buf1(L"testing");
-        std::wstringbuf buf(move(buf1));
+        std::wstringbuf buf(std::move(buf1));
         assert(buf.str() == L"testing");
     }
     {
         std::wstringbuf buf1(L"testing", std::ios_base::in);
-        std::wstringbuf buf(move(buf1));
+        std::wstringbuf buf(std::move(buf1));
         assert(buf.str() == L"testing");
     }
     {
         std::wstringbuf buf1(L"testing", std::ios_base::out);
-        std::wstringbuf buf(move(buf1));
+        std::wstringbuf buf(std::move(buf1));
         assert(buf.str() == L"testing");
     }
 
diff --git a/libcxx/test/std/input.output/string.streams/stringstream.cons/move.pass.cpp b/libcxx/test/std/input.output/string.streams/stringstream.cons/move.pass.cpp
--- a/libcxx/test/std/input.output/string.streams/stringstream.cons/move.pass.cpp
+++ b/libcxx/test/std/input.output/string.streams/stringstream.cons/move.pass.cpp
@@ -6,8 +6,6 @@
 //
 //===----------------------------------------------------------------------===//
 
-// UNSUPPORTED: c++03
-
 // <sstream>
 
 // template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> >
diff --git a/libcxx/test/std/input.output/string.streams/stringstream.cons/stringstream.assign/move.pass.cpp b/libcxx/test/std/input.output/string.streams/stringstream.cons/stringstream.assign/move.pass.cpp
--- a/libcxx/test/std/input.output/string.streams/stringstream.cons/stringstream.assign/move.pass.cpp
+++ b/libcxx/test/std/input.output/string.streams/stringstream.cons/stringstream.assign/move.pass.cpp
@@ -6,8 +6,6 @@
 //
 //===----------------------------------------------------------------------===//
 
-// UNSUPPORTED: c++03
-
 // <sstream>
 
 // template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> >
diff --git a/libcxx/test/std/strings/basic.string/string.nonmembers/string.io/get_line_delim_rv.pass.cpp b/libcxx/test/std/strings/basic.string/string.nonmembers/string.io/get_line_delim_rv.pass.cpp
--- a/libcxx/test/std/strings/basic.string/string.nonmembers/string.io/get_line_delim_rv.pass.cpp
+++ b/libcxx/test/std/strings/basic.string/string.nonmembers/string.io/get_line_delim_rv.pass.cpp
@@ -6,8 +6,6 @@
 //
 //===----------------------------------------------------------------------===//
 
-// UNSUPPORTED: c++03
-
 // <string>
 
 // template<class charT, class traits, class Allocator>
@@ -35,13 +33,13 @@
         assert(s == L" abc");
     }
     {
-        typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S;
+        typedef std::basic_string<char, std::char_traits<char>, min_allocator<char> > S;
         S s("initial text");
         getline(std::istringstream(" abc*  def*   ghij"), s, '*');
         assert(s == " abc");
     }
     {
-        typedef std::basic_string<wchar_t, std::char_traits<wchar_t>, min_allocator<wchar_t>> S;
+        typedef std::basic_string<wchar_t, std::char_traits<wchar_t>, min_allocator<wchar_t> > S;
         S s(L"initial text");
         getline(std::wistringstream(L" abc*  def*   ghij"), s, L'*');
         assert(s == L" abc");
diff --git a/libcxx/test/std/strings/basic.string/string.nonmembers/string.io/get_line_rv.pass.cpp b/libcxx/test/std/strings/basic.string/string.nonmembers/string.io/get_line_rv.pass.cpp
--- a/libcxx/test/std/strings/basic.string/string.nonmembers/string.io/get_line_rv.pass.cpp
+++ b/libcxx/test/std/strings/basic.string/string.nonmembers/string.io/get_line_rv.pass.cpp
@@ -6,8 +6,6 @@
 //
 //===----------------------------------------------------------------------===//
 
-// UNSUPPORTED: c++03
-
 // <string>
 
 // template<class charT, class traits, class Allocator>
@@ -35,13 +33,13 @@
         assert(s == L" abc");
     }
     {
-        typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S;
+        typedef std::basic_string<char, std::char_traits<char>, min_allocator<char> > S;
         S s("initial text");
         getline(std::istringstream(" abc\n  def\n   ghij"), s);
         assert(s == " abc");
     }
     {
-        typedef std::basic_string<wchar_t, std::char_traits<wchar_t>, min_allocator<wchar_t>> S;
+        typedef std::basic_string<wchar_t, std::char_traits<wchar_t>, min_allocator<wchar_t> > S;
         S s(L"initial text");
         getline(std::wistringstream(L" abc\n  def\n   ghij"), s);
         assert(s == L" abc");