--- a/src/hotspot/share/gc/z/zPage.inline.hpp	Wed Mar 13 11:31:00 2019 +0100
+++ b/src/hotspot/share/gc/z/zPage.inline.hpp	Wed Mar 13 11:31:00 2019 +0100
@@ -32,7 +32,6 @@
 #include "gc/z/zNUMA.hpp"
 #include "gc/z/zPage.hpp"
 #include "gc/z/zPhysicalMemory.inline.hpp"
-#include "gc/z/zUtils.inline.hpp"
 #include "gc/z/zVirtualMemory.inline.hpp"
 #include "oops/oop.inline.hpp"
 #include "runtime/atomic.hpp"
@@ -160,14 +159,6 @@
   }
 }
 
-inline size_t ZPage::block_size(uintptr_t addr) const {
-  if (block_is_obj(addr)) {
-    return ZUtils::object_size(addr);
-  } else {
-    return end() - top();
-  }
-}
-
 inline bool ZPage::block_is_obj(uintptr_t addr) const {
   return ZAddress::offset(addr) < top();
 }