@@ -126,11 +126,10 @@
 	AC_DEFINE(OF_THREADS, 1, [Whether we have threads])
 	AC_SUBST(OFTHREAD_M, "OFThread.m")
 	AC_SUBST(THREADING_H, "threading.h")
 
 	AC_CHECK_FUNC(objc_sync_enter,, [
-		AC_SUBST(OBJC_SYNC, "objc_sync")
 		AC_SUBST(OBJC_SYNC_M, "objc_sync.m")
 		AC_DEFINE(NEED_OBJC_SYNC_INIT, 1,
 			[Whether objc_sync_init needs to be called])])
 fi