diff --git a/compiler/pack.lisp b/compiler/pack.lisp
index a7af596c3d56c0ab29db3f60195e16ed9f5c5c7a..7cb5f48966f39bc589bf70b3c5d09aae0757567c 100644
--- a/compiler/pack.lisp
+++ b/compiler/pack.lisp
@@ -587,15 +587,10 @@
     (when (eq (sb-kind sb) :finite)
       (fill (finite-sb-live-tns sb) nil)))
 
-  (let ((live (ir2-block-live-in block)))  
-    (do ((conf (ir2-block-global-tns block) (global-conflicts-next conf)))
-	((null conf))
-      (when (or (eq (global-conflicts-kind conf) :live)
-		(/= (sbit live (global-conflicts-number conf)) 0))
-	(let* ((tn (global-conflicts-tn conf))
-	       (sb (sc-sb (tn-sc tn))))
-	  (when (eq (sb-kind sb) :finite)
-	    (setf (svref (finite-sb-live-tns sb) (tn-offset tn)) tn))))))
+  (do-live-tns (tn (ir2-block-live-in block) block)
+    (let ((sb (sc-sb (tn-sc tn))))
+      (when (eq (sb-kind sb) :finite)
+	(setf (svref (finite-sb-live-tns sb) (tn-offset tn)) tn))))
 
   (setq *live-block* block)
   (setq *live-vop* (ir2-block-last-vop block))