--- a/src/hotspot/share/gc/shenandoah/shenandoahHeap.hpp	Wed Mar 13 11:31:00 2019 +0100
+++ b/src/hotspot/share/gc/shenandoah/shenandoahHeap.hpp	Wed Mar 13 11:31:00 2019 +0100
@@ -567,7 +567,6 @@
 
   // Used for parsing heap during error printing
   HeapWord* block_start(const void* addr) const;
-  size_t block_size(const HeapWord* addr) const;
   bool block_is_obj(const HeapWord* addr) const;
 
   // Used for native heap walkers: heap dumpers, mostly