diff --git a/lib/mac/NSStdLib/NSStdLib.prefix b/lib/mac/NSStdLib/NSStdLib.prefix
index a9e39a566e2..265beb7ef66 100644
--- a/lib/mac/NSStdLib/NSStdLib.prefix
+++ b/lib/mac/NSStdLib/NSStdLib.prefix
@@ -16,6 +16,7 @@
  * Reserved.
  */
 
-/* Debug specific defines for the JavaRuntime */
+/* Non debug specific defines for NSStdLib */
 
+#include "MacPrefix.h"
 #include "NSStdLibConfig.h"
diff --git a/lib/mac/NSStdLib/NSStdLibConfig.h b/lib/mac/NSStdLib/NSStdLibConfig.h
index c0dfa848153..2287b0ebca0 100644
--- a/lib/mac/NSStdLib/NSStdLibConfig.h
+++ b/lib/mac/NSStdLib/NSStdLibConfig.h
@@ -18,10 +18,4 @@
  
 /* Common defines for both debug & non-debug versions NSStdLib */
 
-#include "DefinesMac.h"
-#include "DefinesMozilla.h"
-#include "IDE_Options.h"
-//#include "NSCrossProductDefines.h"
-
-#define MOZILLA_CLIENT 1
-#define NETSCAPE 	1
+/* Nothing to do here */