diff a/src/hotspot/share/gc/shared/referenceProcessor.hpp b/src/hotspot/share/gc/shared/referenceProcessor.hpp
--- a/src/hotspot/share/gc/shared/referenceProcessor.hpp
+++ b/src/hotspot/share/gc/shared/referenceProcessor.hpp
@@ -215,12 +215,11 @@
 
   bool        _adjust_no_of_processing_threads; // allow dynamic adjustment of processing threads
   // For collectors that do not keep GC liveness information
   // in the object header, this field holds a closure that
   // helps the reference processor determine the reachability
-  // of an oop. It is currently initialized to NULL for all
-  // collectors except for G1.
+  // of an oop.
   BoolObjectClosure* _is_alive_non_header;
 
   // Soft ref clearing policies
   // . the default policy
   static ReferencePolicy*   _default_soft_ref_policy;