diff --git a/mt76x2_init.c b/mt76x2_init.c
index 69ebafaa..fb13ba26 100644
--- a/mt76x2_init.c
+++ b/mt76x2_init.c
@@ -285,8 +285,6 @@ static int mt76x2_mac_reset(struct mt76x2_dev *dev, bool hard)
 		FIELD_PREP(MT_MAC_BSSID_DW1_MBSS_MODE, 3) | /* 8 beacons */
 		MT_MAC_BSSID_DW1_MBSS_LOCAL_BIT);
 
-	mt76_set(dev, MT_MAC_ADDR_EXT_CTL, MT_MAC_ADDR_EXT_CTL_EN);
-
 	/* Fire a pre-TBTT interrupt 8 ms before TBTT */
 	mt76_rmw_field(dev, MT_INT_TIMER_CFG, MT_INT_TIMER_CFG_PRE_TBTT,
 		       8 << 4);
@@ -307,13 +305,10 @@ static int mt76x2_mac_reset(struct mt76x2_dev *dev, bool hard)
 	for (i = 0; i < MT_MAX_VIFS; i++)
 		mt76x2_mac_wcid_setup(dev, MT_VIF_WCID(i), i, NULL);
 
-	for (i = 0; i < 16; i++) {
+	for (i = 0; i < 16; i++)
 		for (k = 0; k < 4; k++)
 			mt76x2_mac_shared_key_setup(dev, i, k, NULL);
 
-		mt76x2_mac_set_ext_mac(dev, i, NULL);
-	}
-
 	for (i = 0; i < 8; i++) {
 		mt76x2_mac_set_bssid(dev, i, null_addr);
 		mt76x2_mac_set_beacon(dev, i, NULL);
diff --git a/mt76x2_mac.c b/mt76x2_mac.c
index 069a0436..94dd830a 100644
--- a/mt76x2_mac.c
+++ b/mt76x2_mac.c
@@ -28,19 +28,6 @@ void mt76x2_mac_set_bssid(struct mt76x2_dev *dev, u8 idx, const u8 *addr)
 		       get_unaligned_le16(addr + 4));
 }
 
-void mt76x2_mac_set_ext_mac(struct mt76x2_dev *dev, u8 idx, const u8 *addr)
-{
-	u32 lo = 0, hi = 0;
-
-	if (addr) {
-		lo = get_unaligned_le32(addr);
-		hi = get_unaligned_le16(addr + 4);
-	}
-
-	mt76_wr(dev, MT_MAC_ADDR_EXT_L(idx), lo);
-	mt76_wr(dev, MT_MAC_ADDR_EXT_H(idx), hi);
-}
-
 static int
 mt76x2_mac_process_rate(struct mt76_rx_status *status, u16 rate)
 {
diff --git a/mt76x2_mac.h b/mt76x2_mac.h
index 28e6b529..c048cd06 100644
--- a/mt76x2_mac.h
+++ b/mt76x2_mac.h
@@ -161,7 +161,6 @@ int mt76x2_mac_start(struct mt76x2_dev *dev);
 void mt76x2_mac_stop(struct mt76x2_dev *dev, bool force);
 void mt76x2_mac_resume(struct mt76x2_dev *dev);
 void mt76x2_mac_set_bssid(struct mt76x2_dev *dev, u8 idx, const u8 *addr);
-void mt76x2_mac_set_ext_mac(struct mt76x2_dev *dev, u8 idx, const u8 *addr);
 
 int mt76x2_mac_process_rx(struct mt76x2_dev *dev, struct sk_buff *skb,
 			  void *rxi);
diff --git a/mt76x2_regs.h b/mt76x2_regs.h
index 0cdb1597..b9c334d9 100644
--- a/mt76x2_regs.h
+++ b/mt76x2_regs.h
@@ -440,14 +440,6 @@
 
 #define MT_TX_SW_CFG3			0x1478
 
-#define MT_MAC_ADDR_EXT_CTL		0x147c
-#define MT_MAC_ADDR_EXT_CTL_EN		BIT(0)
-
-#define MT_MAC_ADDR_EXT_BASE		0x1480
-#define MT_MAC_ADDR_EXT_L(_n)		(MT_MAC_ADDR_EXT_BASE + ((_n) * 8))
-#define MT_MAC_ADDR_EXT_H(_n)		(MT_MAC_ADDR_EXT_BASE + ((_n) * 8 + 4))
-#define MT_MAC_ADDR_EXT_H_MASK		GENMASK(15, 0)
-
 #define MT_PN_PAD_MODE			0x150c
 
 #define MT_TXOP_HLDR_ET			0x1608