diff -ur Yap-5.0.1.orig/H/Yap.h Yap-5.0.1/H/Yap.h
--- Yap-5.0.1.orig/H/Yap.h	2005-10-18 06:55:22.000000000 +1300
+++ Yap-5.0.1/H/Yap.h	2006-02-21 21:22:18.000000000 +1300
@@ -53,12 +53,6 @@
 #undef TRAILING_REQUIRES_BRANCH
 #endif /* YAPOR || TABLING */
 
-#if ANALYST
-#ifdef USE_THREADED_CODE
-#undef USE_THREADED_CODE
-#endif
-#endif
-
 #ifdef  COROUTINING
 #ifndef TERM_EXTENSIONS
 #define TERM_EXTENSIONS 1