--- old/src/hotspot/share/gc/g1/g1Allocator.cpp	2018-11-29 10:43:17.639082236 +0100
+++ new/src/hotspot/share/gc/g1/g1Allocator.cpp	2018-11-29 10:43:17.208092719 +0100
@@ -84,8 +84,6 @@
     // we allocate to in the region sets. We'll re-add it later, when
     // it's retired again.
     _g1h->old_set_remove(retained_region);
-    bool during_im = _g1h->collector_state()->in_initial_mark_gc();
-    retained_region->note_start_of_copying(during_im);
     old->set(retained_region);
     _g1h->hr_printer()->reuse(retained_region);
     evacuation_info.set_alloc_regions_used_before(retained_region->used());