--- old/src/hotspot/share/memory/metaspace/metachunk.hpp	2018-05-19 06:36:45.155533723 +0200
+++ new/src/hotspot/share/memory/metaspace/metachunk.hpp	2018-05-19 06:36:45.063533131 +0200
@@ -32,7 +32,6 @@
 class MetachunkTest;
 
 namespace metaspace {
-namespace internals {
 
 class VirtualSpaceNode;
 
@@ -170,6 +169,5 @@
 void do_update_in_use_info_for_chunk(Metachunk* chunk, bool inuse);
 
 } // namespace metaspace
-} // namespace internals
 
 #endif  // SHARE_VM_MEMORY_METACHUNK_HPP