diff --git a/src/threads/thread.c b/src/threads/thread.c
index 795866e..7d27f1c 100644
--- a/src/threads/thread.c
+++ b/src/threads/thread.c
@@ -160,9 +160,7 @@ thread_tick (void)
   if (thread_mlfqs)
     {
       if (t != idle_thread)
-        {
           t->recent_cpu = fp_add_int (t->recent_cpu, 1);
-        }
 
       if (ticks % TIMER_FREQ == 0)
         {