unused value

diff --git a/src/event/ngx_event_pipe.c b/src/event/ngx_event_pipe.c
index a22cdcc..b8ff608 100644
--- a/src/event/ngx_event_pipe.c
+++ b/src/event/ngx_event_pipe.c

@@ -551,7 +551,6 @@
                         } else {
                             out = cl;
                         }
-                        ll = &cl->next;
                     }
 
                     flush = 1;