diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 910726203ec7..e71fe24cd3d8 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -2969,18 +2969,6 @@ bool ath9k_hw_setpower_nolock(struct ath_hw *ah, enum ath9k_power_mode mode)
 	return status;
 }
 
-bool ath9k_hw_setpower(struct ath_hw *ah, enum ath9k_power_mode mode)
-{
-	unsigned long flags;
-	bool ret;
-
-	spin_lock_irqsave(&ah->ah_sc->sc_pm_lock, flags);
-	ret = ath9k_hw_setpower_nolock(ah, mode);
-	spin_unlock_irqrestore(&ah->ah_sc->sc_pm_lock, flags);
-
-	return ret;
-}
-
 /*
  * Helper for ASPM support.
  *
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index 01a127b01724..05e4f8bc566b 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -654,7 +654,6 @@ void ath9k_hw_set_sta_beacon_timers(struct ath_hw *ah,
 				    const struct ath9k_beacon_state *bs);
 
 bool ath9k_hw_setpower_nolock(struct ath_hw *ah, enum ath9k_power_mode mode);
-bool ath9k_hw_setpower(struct ath_hw *ah, enum ath9k_power_mode mode);
 
 void ath9k_hw_configpcipowersave(struct ath_hw *ah, int restore, int power_off);
 
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 9f9ac5b52acb..d0637a65f9a9 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -243,6 +243,18 @@ static struct ath9k_channel *ath_get_curchannel(struct ath_softc *sc,
 	return channel;
 }
 
+static bool ath9k_hw_setpower(struct ath_hw *ah, enum ath9k_power_mode mode)
+{
+	unsigned long flags;
+	bool ret;
+
+	spin_lock_irqsave(&ah->ah_sc->sc_pm_lock, flags);
+	ret = ath9k_hw_setpower_nolock(ah, mode);
+	spin_unlock_irqrestore(&ah->ah_sc->sc_pm_lock, flags);
+
+	return ret;
+}
+
 void ath9k_ps_wakeup(struct ath_softc *sc)
 {
 	unsigned long flags;