diff --git a/libstdc++-v3/src/c++11/chrono.cc b/libstdc++-v3/src/c++11/chrono.cc
index 6825b5bc4bf..e52211d9aab 100644
--- a/libstdc++-v3/src/c++11/chrono.cc
+++ b/libstdc++-v3/src/c++11/chrono.cc
@@ -39,13 +39,8 @@
 
 namespace std _GLIBCXX_VISIBILITY(default)
 {
-_GLIBCXX_BEGIN_NAMESPACE_VERSION
-
   namespace chrono
   {
-    // XXX GLIBCXX_ABI Deprecated
-    inline namespace _V2 {
-
     constexpr bool system_clock::is_steady;
 
     system_clock::time_point
@@ -93,9 +88,5 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
       return time_point(system_clock::now().time_since_epoch());
 #endif
     }
-
-  } // end inline namespace _V2
   } // namespace chrono
-
-_GLIBCXX_END_NAMESPACE_VERSION
 } // namespace std
diff --git a/libstdc++-v3/src/c++11/system_error.cc b/libstdc++-v3/src/c++11/system_error.cc
index 7b1a5a20637..cc2c491cdbb 100644
--- a/libstdc++-v3/src/c++11/system_error.cc
+++ b/libstdc++-v3/src/c++11/system_error.cc
@@ -516,8 +516,6 @@ namespace
 
 namespace std _GLIBCXX_VISIBILITY(default)
 {
-_GLIBCXX_BEGIN_NAMESPACE_VERSION
-
   void
   __throw_system_error(int __i __attribute__((unused)))
   {
@@ -527,10 +525,10 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
   error_category::~error_category() = default;
 
   const error_category&
-  _V2::system_category() noexcept { return system_category_instance.obj; }
+  system_category() noexcept { return system_category_instance.obj; }
 
   const error_category&
-  _V2::generic_category() noexcept { return generic_category_instance.obj; }
+  generic_category() noexcept { return generic_category_instance.obj; }
 
   system_error::~system_error() = default;
 
@@ -560,6 +558,4 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
     return {msg.c_str(), msg.length()};
   }
 #endif
-
-_GLIBCXX_END_NAMESPACE_VERSION
 } // namespace