diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 8b2895f9ac7a4039018547c53c30cd6ffa091aee..4f98ca0f9888e1e5c96826ae82d9ff1eade11ee7 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -474,15 +474,12 @@ static void ath9k_hw_init_defaults(struct ath_hw *ah)
 static int ath9k_hw_init_macaddr(struct ath_hw *ah)
 {
 	struct ath_common *common = ath9k_hw_common(ah);
-	u32 sum;
 	int i;
 	u16 eeval;
 	static const u32 EEP_MAC[] = { EEP_MAC_LSW, EEP_MAC_MID, EEP_MAC_MSW };
 
-	sum = 0;
 	for (i = 0; i < 3; i++) {
 		eeval = ah->eep_ops->get_eeprom(ah, EEP_MAC[i]);
-		sum += eeval;
 		common->macaddr[2 * i] = eeval >> 8;
 		common->macaddr[2 * i + 1] = eeval & 0xff;
 	}