diff --git a/include/linux/sched.h b/include/linux/sched.h
index 7d379a6..e692aba 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1864,8 +1864,7 @@
 #ifdef CONFIG_PREEMPT_RCU
 
 #define RCU_READ_UNLOCK_BLOCKED (1 << 0) /* blocked while in RCU read-side. */
-#define RCU_READ_UNLOCK_BOOSTED (1 << 1) /* boosted while in RCU read-side. */
-#define RCU_READ_UNLOCK_NEED_QS (1 << 2) /* RCU core needs CPU response. */
+#define RCU_READ_UNLOCK_NEED_QS (1 << 1) /* RCU core needs CPU response. */
 
 static inline void rcu_copy_process(struct task_struct *p)
 {