--- a/src/hotspot/share/memory/virtualspace.hpp	Tue Jan 29 14:34:26 2019 +0100
+++ b/src/hotspot/share/memory/virtualspace.hpp	Tue Jan 29 14:43:05 2019 +0100
@@ -88,7 +88,6 @@
   static size_t page_align_size_up(size_t size);
   static size_t page_align_size_down(size_t size);
   static size_t allocation_align_size_up(size_t size);
-  static size_t allocation_align_size_down(size_t size);
   bool contains(const void* p) const {
     return (base() <= ((char*)p)) && (((char*)p) < (base() + size()));
   }