diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index a4389485e5154fd2ed3947e777a04d9c13bca2b0..d0a0acd15d4678cc17dafa128b7e61ab3eb5564d 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -407,7 +407,6 @@ static void ath9k_hw_init_defaults(struct ath_hw *ah)
 	ah->sta_id1_defaults =
 		AR_STA_ID1_CRPT_MIC_ENABLE |
 		AR_STA_ID1_MCAST_KSRCH;
-	ah->beacon_interval = 100;
 	ah->enable_32kHz_clock = DONT_USE_32KHZ;
 	ah->slottime = (u32) -1;
 	ah->globaltxtimeout = (u32) -1;
@@ -1628,8 +1627,6 @@ void ath9k_hw_beaconinit(struct ath_hw *ah, u32 next_beacon, u32 beacon_period)
 {
 	int flags = 0;
 
-	ah->beacon_interval = beacon_period;
-
 	ENABLE_REGWRITE_BUFFER(ah);
 
 	switch (ah->opmode) {
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index e99b39514e8dedbfa1cdd7587f4a0cd3e6da2b72..0db0ef69b4be3b53f4a09ec4d85393acf92e4e17 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -764,7 +764,6 @@ struct ath_hw {
 	u8 txpower_limit;
 	int16_t txpower_indexoffset;
 	int coverage_class;
-	u32 beacon_interval;
 	u32 slottime;
 	u32 globaltxtimeout;