--- support/pt_defs.h	2002-06-27 06:49:26.000000000 +0200
+++ support/pt_defs.h	2004-01-06 01:32:05.224303072 +0100
@@ -69,12 +69,6 @@
 #define PTHREAD_SIG_CANCEL	(__SIGRTMIN+1)
 #endif
 
-/*
- * Determine if we have read-write lock support in pthreads.
- */
-#ifdef PTHREAD_RWLOCK_INITIALIZER
-	#define	IL_HAVE_RWLOCKS
-#endif
 
 /*
  * Types that are needed elsewhere.