diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index f44da9b491ff..8abd1c271499 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -6117,7 +6117,7 @@ static int select_idle_core(struct task_struct *p, struct sched_domain *sd, int
 /*
  * Scan the local SMT mask for idle CPUs.
  */
-static int select_idle_smt(struct task_struct *p, struct sched_domain *sd, int target)
+static int select_idle_smt(struct task_struct *p, int target)
 {
 	int cpu;
 
@@ -6141,7 +6141,7 @@ static inline int select_idle_core(struct task_struct *p, struct sched_domain *s
 	return -1;
 }
 
-static inline int select_idle_smt(struct task_struct *p, struct sched_domain *sd, int target)
+static inline int select_idle_smt(struct task_struct *p, int target)
 {
 	return -1;
 }
@@ -6246,7 +6246,7 @@ static int select_idle_sibling(struct task_struct *p, int prev, int target)
 	if ((unsigned)i < nr_cpumask_bits)
 		return i;
 
-	i = select_idle_smt(p, sd, target);
+	i = select_idle_smt(p, target);
 	if ((unsigned)i < nr_cpumask_bits)
 		return i;