--- old/src/share/vm/utilities/globalDefinitions_gcc.hpp	2012-02-15 10:54:13.000000000 +0100
+++ new/src/share/vm/utilities/globalDefinitions_gcc.hpp	2012-02-15 10:54:13.000000000 +0100
@@ -87,14 +87,6 @@
 #endif
 #ifdef __APPLE__
   #include <AvailabilityMacros.h>
-  #if (MAC_OS_X_VERSION_MAX_ALLOWED <= MAC_OS_X_VERSION_10_4)
-    // Mac OS X 10.4 defines EFL_AC and EFL_ID,
-    // which conflict with hotspot variable names.
-    //
-    // This has been fixed in Mac OS X 10.5.
-    #undef EFL_AC
-    #undef EFL_ID
-  #endif
 #endif
 #include <sys/time.h>
 #endif // LINUX || _ALLBSD_SOURCE