--- a/src/hotspot/share/utilities/macros.hpp	Mon Jun 25 12:44:52 2018 +0200
+++ b/src/hotspot/share/utilities/macros.hpp	Sat May 26 06:59:49 2018 +0200
@@ -239,14 +239,6 @@
 #define NOT_ZGC_RETURN_(code) { return code; }
 #endif // INCLUDE_ZGC
 
-#if INCLUDE_CMSGC || INCLUDE_EPSILONGC || INCLUDE_G1GC || INCLUDE_PARALLELGC || INCLUDE_ZGC
-#define INCLUDE_NOT_ONLY_SERIALGC 1
-#else
-#define INCLUDE_NOT_ONLY_SERIALGC 0
-#endif
-
-#define INCLUDE_OOP_OOP_ITERATE_BACKWARDS INCLUDE_NOT_ONLY_SERIALGC
-
 #ifndef INCLUDE_NMT
 #define INCLUDE_NMT 1
 #endif // INCLUDE_NMT