diff --git a/drivers/net/wireless/ath9k/ath9k.h b/drivers/net/wireless/ath9k/ath9k.h
index f44aab50a2d6..455a53649b32 100644
--- a/drivers/net/wireless/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath9k/ath9k.h
@@ -874,7 +874,6 @@ void ath9k_hw_set_gpio(struct ath_hal *ah, u32 gpio, u32 val);
 #if defined(CONFIG_RFKILL) || defined(CONFIG_RFKILL_MODULE)
 void ath9k_enable_rfkill(struct ath_hal *ah);
 #endif
-int ath9k_hw_select_antconfig(struct ath_hal *ah, u32 cfg);
 u32 ath9k_hw_getdefantenna(struct ath_hal *ah);
 void ath9k_hw_setantenna(struct ath_hal *ah, u32 antenna);
 bool ath9k_hw_setantennaswitch(struct ath_hal *ah,
diff --git a/drivers/net/wireless/ath9k/hw.c b/drivers/net/wireless/ath9k/hw.c
index 1a49743151ba..bb8628c7efa1 100644
--- a/drivers/net/wireless/ath9k/hw.c
+++ b/drivers/net/wireless/ath9k/hw.c
@@ -3542,27 +3542,6 @@ void ath9k_enable_rfkill(struct ath_hal *ah)
 }
 #endif
 
-int ath9k_hw_select_antconfig(struct ath_hal *ah, u32 cfg)
-{
-	struct ath9k_channel *chan = ah->ah_curchan;
-	const struct ath9k_hw_capabilities *pCap = &ah->ah_caps;
-	u16 ant_config;
-	u32 halNumAntConfig;
-
-	halNumAntConfig = IS_CHAN_2GHZ(chan) ?
-		pCap->num_antcfg_2ghz : pCap->num_antcfg_5ghz;
-
-	if (cfg < halNumAntConfig) {
-		if (!ath9k_hw_get_eeprom_antenna_cfg(ah, chan,
-						     cfg, &ant_config)) {
-			REG_WRITE(ah, AR_PHY_SWITCH_COM, ant_config);
-			return 0;
-		}
-	}
-
-	return -EINVAL;
-}
-
 u32 ath9k_hw_getdefantenna(struct ath_hal *ah)
 {
 	return REG_READ(ah, AR_DEF_ANTENNA) & 0x7;