diff --git a/target/linux/ar71xx/files/arch/mips/ath79/dev-eth.c b/target/linux/ar71xx/files/arch/mips/ath79/dev-eth.c
index 427de6a50d..9e72c41a42 100644
--- a/target/linux/ar71xx/files/arch/mips/ath79/dev-eth.c
+++ b/target/linux/ar71xx/files/arch/mips/ath79/dev-eth.c
@@ -900,13 +900,6 @@ void __init ath79_register_eth(unsigned int id)
 		}
 		pdata->has_gbit = 1;
 		pdata->is_ar724x = 1;
-
-		if (!pdata->fifo_cfg1)
-			pdata->fifo_cfg1 = 0x0010ffff;
-		if (!pdata->fifo_cfg2)
-			pdata->fifo_cfg2 = 0x015500aa;
-		if (!pdata->fifo_cfg3)
-			pdata->fifo_cfg3 = 0x01f00140;
 		break;
 
 	case ATH79_SOC_AR7241:
@@ -936,13 +929,6 @@ void __init ath79_register_eth(unsigned int id)
 		pdata->is_ar724x = 1;
 		if (ath79_soc == ATH79_SOC_AR7240)
 			pdata->is_ar7240 = 1;
-
-		if (!pdata->fifo_cfg1)
-			pdata->fifo_cfg1 = 0x0010ffff;
-		if (!pdata->fifo_cfg2)
-			pdata->fifo_cfg2 = 0x015500aa;
-		if (!pdata->fifo_cfg3)
-			pdata->fifo_cfg3 = 0x01f00140;
 		break;
 
 	case ATH79_SOC_AR9132:
@@ -979,13 +965,6 @@ void __init ath79_register_eth(unsigned int id)
 		}
 
 		pdata->is_ar724x = 1;
-
-		if (!pdata->fifo_cfg1)
-			pdata->fifo_cfg1 = 0x0010ffff;
-		if (!pdata->fifo_cfg2)
-			pdata->fifo_cfg2 = 0x015500aa;
-		if (!pdata->fifo_cfg3)
-			pdata->fifo_cfg3 = 0x01f00140;
 		break;
 
 	case ATH79_SOC_AR9341:
@@ -1016,13 +995,6 @@ void __init ath79_register_eth(unsigned int id)
 
 		pdata->max_frame_len = SZ_16K - 1;
 		pdata->desc_pktlen_mask = SZ_16K - 1;
-
-		if (!pdata->fifo_cfg1)
-			pdata->fifo_cfg1 = 0x0010ffff;
-		if (!pdata->fifo_cfg2)
-			pdata->fifo_cfg2 = 0x015500aa;
-		if (!pdata->fifo_cfg3)
-			pdata->fifo_cfg3 = 0x01f00140;
 		break;
 
 	case ATH79_SOC_TP9343:
@@ -1048,13 +1020,6 @@ void __init ath79_register_eth(unsigned int id)
 
 		pdata->has_gbit = 1;
 		pdata->is_ar724x = 1;
-
-		if (!pdata->fifo_cfg1)
-			pdata->fifo_cfg1 = 0x0010ffff;
-		if (!pdata->fifo_cfg2)
-			pdata->fifo_cfg2 = 0x015500aa;
-		if (!pdata->fifo_cfg3)
-			pdata->fifo_cfg3 = 0x01f00140;
 		break;
 
 	case ATH79_SOC_QCA9556:
@@ -1082,13 +1047,6 @@ void __init ath79_register_eth(unsigned int id)
 		 */
 		pdata->max_frame_len = SZ_4K - 1;
 		pdata->desc_pktlen_mask = SZ_16K - 1;
-
-		if (!pdata->fifo_cfg1)
-			pdata->fifo_cfg1 = 0x0010ffff;
-		if (!pdata->fifo_cfg2)
-			pdata->fifo_cfg2 = 0x015500aa;
-		if (!pdata->fifo_cfg3)
-			pdata->fifo_cfg3 = 0x01f00140;
 		break;
 
 	case ATH79_SOC_QCA956X:
@@ -1121,13 +1079,6 @@ void __init ath79_register_eth(unsigned int id)
 
 		pdata->has_gbit = 1;
 		pdata->is_ar724x = 1;
-
-		if (!pdata->fifo_cfg1)
-			pdata->fifo_cfg1 = 0x0010ffff;
-		if (!pdata->fifo_cfg2)
-			pdata->fifo_cfg2 = 0x015500aa;
-		if (!pdata->fifo_cfg3)
-			pdata->fifo_cfg3 = 0x01f00140;
 		break;
 
 	default:
diff --git a/target/linux/ar71xx/files/arch/mips/include/asm/mach-ath79/ag71xx_platform.h b/target/linux/ar71xx/files/arch/mips/include/asm/mach-ath79/ag71xx_platform.h
index 5fdc59c7b7..c4c3a6d44c 100644
--- a/target/linux/ar71xx/files/arch/mips/include/asm/mach-ath79/ag71xx_platform.h
+++ b/target/linux/ar71xx/files/arch/mips/include/asm/mach-ath79/ag71xx_platform.h
@@ -45,10 +45,6 @@ struct ag71xx_platform_data {
 	void		(*set_speed)(int speed);
 	void		(*update_pll)(u32 pll_10, u32 pll_100, u32 pll_1000);
 
-	u32		fifo_cfg1;
-	u32		fifo_cfg2;
-	u32		fifo_cfg3;
-
 	unsigned int	max_frame_len;
 	unsigned int	desc_pktlen_mask;
 };
diff --git a/target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_main.c b/target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_main.c
index 95682b7641..54ec8e67b3 100644
--- a/target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_main.c
+++ b/target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_main.c
@@ -453,8 +453,8 @@ static void ag71xx_hw_setup(struct ag71xx *ag)
 	/* setup FIFO configuration registers */
 	ag71xx_wr(ag, AG71XX_REG_FIFO_CFG0, FIFO_CFG0_INIT);
 	if (pdata->is_ar724x) {
-		ag71xx_wr(ag, AG71XX_REG_FIFO_CFG1, pdata->fifo_cfg1);
-		ag71xx_wr(ag, AG71XX_REG_FIFO_CFG2, pdata->fifo_cfg2);
+		ag71xx_wr(ag, AG71XX_REG_FIFO_CFG1, 0x0010ffff);
+		ag71xx_wr(ag, AG71XX_REG_FIFO_CFG2, 0x015500aa);
 	} else {
 		ag71xx_wr(ag, AG71XX_REG_FIFO_CFG1, 0x0fff0000);
 		ag71xx_wr(ag, AG71XX_REG_FIFO_CFG2, 0x00001fff);
@@ -596,7 +596,7 @@ __ag71xx_link_adjust(struct ag71xx *ag, bool update)
 	if (pdata->is_ar91xx)
 		fifo3 = 0x00780fff;
 	else if (pdata->is_ar724x)
-		fifo3 = pdata->fifo_cfg3;
+		fifo3 = 0x01f00140;
 	else
 		fifo3 = 0x008001ff;