diff -r bdccafc038a2 -r 13acc8e38a29 src/hotspot/share/gc/g1/g1HotCardCache.hpp
--- a/src/hotspot/share/gc/g1/g1HotCardCache.hpp	Wed Feb 13 15:50:08 2019 -0500
+++ b/src/hotspot/share/gc/g1/g1HotCardCache.hpp	Wed Feb 13 17:38:14 2019 -0500
@@ -32,8 +32,7 @@
 #include "runtime/thread.hpp"
 #include "utilities/globalDefinitions.hpp"
 
-class CardTableEntryClosure;
-class DirtyCardQueue;
+class G1CardTableEntryClosure;
 class G1CollectedHeap;
 class HeapRegion;
 
@@ -112,7 +111,7 @@
 
   // Refine the cards that have delayed as a result of
   // being in the cache.
-  void drain(CardTableEntryClosure* cl, uint worker_i);
+  void drain(G1CardTableEntryClosure* cl, uint worker_i);
 
   // Set up for parallel processing of the cards in the hot cache
   void reset_hot_cache_claimed_index() {