diff --git a/kernel/events/core.c b/kernel/events/core.c
index 7ab734fbaeeb0c55d1c56c4b73f73be58799bc88..ed50b0943213fcaee079d378c7e6c82f3739e1ec 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -7431,7 +7431,7 @@ __perf_event_exit_task(struct perf_event *child_event,
 
 static void perf_event_exit_task_context(struct task_struct *child, int ctxn)
 {
-	struct perf_event *child_event, *tmp;
+	struct perf_event *child_event;
 	struct perf_event_context *child_ctx;
 	unsigned long flags;