diff --git a/kernel/power/main.c b/kernel/power/main.c
index a9e0693aaf69..8c4bf5a54805 100644
--- a/kernel/power/main.c
+++ b/kernel/power/main.c
@@ -325,18 +325,13 @@ struct suspend_stats {
 };
 
 static struct suspend_stats suspend_stats;
-static DEFINE_MUTEX(suspend_stats_lock);
 
 void dpm_save_failed_dev(const char *name)
 {
-	mutex_lock(&suspend_stats_lock);
-
 	strscpy(suspend_stats.failed_devs[suspend_stats.last_failed_dev],
 		name, sizeof(suspend_stats.failed_devs[0]));
 	suspend_stats.last_failed_dev++;
 	suspend_stats.last_failed_dev %= REC_FAILED_NUM;
-
-	mutex_unlock(&suspend_stats_lock);
 }
 
 void dpm_save_failed_step(enum suspend_stat_step step)