--- a/src/hotspot/share/gc/shenandoah/shenandoahRootProcessor.hpp	Wed May 15 14:30:22 2019 +0200
+++ b/src/hotspot/share/gc/shenandoah/shenandoahRootProcessor.hpp	Wed May 15 08:58:23 2019 -0400
@@ -107,9 +107,6 @@
                         ThreadClosure* thread_cl,
                         uint worker_id);
 
-  // For slow debug/verification code
-  void process_all_roots_slow(OopClosure* oops);
-
   // Number of worker threads used by the root processor.
   uint n_workers() const;
 };