diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index fc20e09..8f3fb3d 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -1183,7 +1183,6 @@
 static void *s_next(struct seq_file *m, void *v, loff_t *pos)
 {
 	struct trace_iterator *iter = m->private;
-	void *last_ent = iter->ent;
 	int i = (int)*pos;
 	void *ent;