diff --git a/target/linux/ramips/dts/mt7621.dtsi b/target/linux/ramips/dts/mt7621.dtsi
index 78979dc420..6172784869 100644
--- a/target/linux/ramips/dts/mt7621.dtsi
+++ b/target/linux/ramips/dts/mt7621.dtsi
@@ -35,6 +35,10 @@
 		serial0 = &uartlite;
 	};
 
+	chosen {
+		bootargs = "console=ttyS0,57600";
+	};
+
 	pll: pll {
 		compatible = "mediatek,mt7621-pll", "syscon";
 
diff --git a/target/linux/ramips/dts/mt7621_adslr_g7.dts b/target/linux/ramips/dts/mt7621_adslr_g7.dts
index aa3f423f9b..b6af1155c5 100644
--- a/target/linux/ramips/dts/mt7621_adslr_g7.dts
+++ b/target/linux/ramips/dts/mt7621_adslr_g7.dts
@@ -18,10 +18,6 @@
 		label-mac-device = &gmac0;
 	};
 
-	chosen {
-		bootargs = "console=ttyS0,57600";
-	};
-
 	leds {
 		compatible = "gpio-leds";
 
diff --git a/target/linux/ramips/dts/mt7621_afoundry_ew1200.dts b/target/linux/ramips/dts/mt7621_afoundry_ew1200.dts
index 2384fadbee..661c7d89de 100644
--- a/target/linux/ramips/dts/mt7621_afoundry_ew1200.dts
+++ b/target/linux/ramips/dts/mt7621_afoundry_ew1200.dts
@@ -16,10 +16,6 @@
 		led-upgrade = &led_run;
 	};
 
-	chosen {
-		bootargs = "console=ttyS0,57600";
-	};
-
 	keys {
 		compatible = "gpio-keys";
 
diff --git a/target/linux/ramips/dts/mt7621_asiarf_ap7621.dtsi b/target/linux/ramips/dts/mt7621_asiarf_ap7621.dtsi
index bd6642fe51..bc54d14083 100644
--- a/target/linux/ramips/dts/mt7621_asiarf_ap7621.dtsi
+++ b/target/linux/ramips/dts/mt7621_asiarf_ap7621.dtsi
@@ -6,10 +6,6 @@
 #include <dt-bindings/input/input.h>
 
 / {
-	chosen {
-		bootargs = "console=ttyS0,57600";
-	};
-
 	keys {
 		compatible = "gpio-keys";
 
diff --git a/target/linux/ramips/dts/mt7621_asus_rt-ac57u.dts b/target/linux/ramips/dts/mt7621_asus_rt-ac57u.dts
index 0b37dc8395..aba7ceda51 100644
--- a/target/linux/ramips/dts/mt7621_asus_rt-ac57u.dts
+++ b/target/linux/ramips/dts/mt7621_asus_rt-ac57u.dts
@@ -17,10 +17,6 @@
 		led-upgrade = &led_power;
 	};
 
-	chosen {
-		bootargs = "console=ttyS0,57600";
-	};
-
 	leds {
 		compatible = "gpio-leds";
 
diff --git a/target/linux/ramips/dts/mt7621_asus_rt-acx5p.dtsi b/target/linux/ramips/dts/mt7621_asus_rt-acx5p.dtsi
index 7ad6727f51..0921a477e9 100644
--- a/target/linux/ramips/dts/mt7621_asus_rt-acx5p.dtsi
+++ b/target/linux/ramips/dts/mt7621_asus_rt-acx5p.dtsi
@@ -13,10 +13,6 @@
 		led-upgrade = &led_power;
 	};
 
-	chosen {
-		bootargs = "console=ttyS0,57600";
-	};
-
 	keys {
 		compatible = "gpio-keys";
 
diff --git a/target/linux/ramips/dts/mt7621_buffalo_wsr-1166dhp.dts b/target/linux/ramips/dts/mt7621_buffalo_wsr-1166dhp.dts
index bb430f2120..9c82327e34 100644
--- a/target/linux/ramips/dts/mt7621_buffalo_wsr-1166dhp.dts
+++ b/target/linux/ramips/dts/mt7621_buffalo_wsr-1166dhp.dts
@@ -16,10 +16,6 @@
 		led-upgrade = &led_power;
 	};
 
-	chosen {
-		bootargs = "console=ttyS0,57600";
-	};
-
 	leds {
 		compatible = "gpio-leds";
 
diff --git a/target/linux/ramips/dts/mt7621_buffalo_wsr-2533dhpl.dts b/target/linux/ramips/dts/mt7621_buffalo_wsr-2533dhpl.dts
index e17c66689a..570a8d8c2b 100644
--- a/target/linux/ramips/dts/mt7621_buffalo_wsr-2533dhpl.dts
+++ b/target/linux/ramips/dts/mt7621_buffalo_wsr-2533dhpl.dts
@@ -18,10 +18,6 @@
 		label-mac-device = &gmac0;
 	};
 
-	chosen {
-		bootargs = "console=ttyS0,57600";
-	};
-
 	leds {
 		compatible = "gpio-leds";
 
diff --git a/target/linux/ramips/dts/mt7621_buffalo_wsr-600dhp.dts b/target/linux/ramips/dts/mt7621_buffalo_wsr-600dhp.dts
index 6aaa1875d6..eb42edc952 100644
--- a/target/linux/ramips/dts/mt7621_buffalo_wsr-600dhp.dts
+++ b/target/linux/ramips/dts/mt7621_buffalo_wsr-600dhp.dts
@@ -16,10 +16,6 @@
 		led-upgrade = &led_power;
 	};
 
-	chosen {
-		bootargs = "console=ttyS0,57600";
-	};
-
 	leds {
 		compatible = "gpio-leds";
 
diff --git a/target/linux/ramips/dts/mt7621_dlink_dir-860l-b1.dts b/target/linux/ramips/dts/mt7621_dlink_dir-860l-b1.dts
index ce747deb28..4aba6b9582 100644
--- a/target/linux/ramips/dts/mt7621_dlink_dir-860l-b1.dts
+++ b/target/linux/ramips/dts/mt7621_dlink_dir-860l-b1.dts
@@ -17,10 +17,6 @@
 		label-mac-device = &gmac0;
 	};
 
-	chosen {
-		bootargs = "console=ttyS0,57600";
-	};
-
 	leds {
 		compatible = "gpio-leds";
 
diff --git a/target/linux/ramips/dts/mt7621_dlink_dir-878-a1.dts b/target/linux/ramips/dts/mt7621_dlink_dir-878-a1.dts
index 15c46cb5f7..6329a3e3d2 100644
--- a/target/linux/ramips/dts/mt7621_dlink_dir-878-a1.dts
+++ b/target/linux/ramips/dts/mt7621_dlink_dir-878-a1.dts
@@ -18,10 +18,6 @@
 		label-mac-device = &gmac0;
 	};
 
-	chosen {
-		bootargs = "console=ttyS0,57600";
-	};
-
 	leds {
 		compatible = "gpio-leds";
 
diff --git a/target/linux/ramips/dts/mt7621_edimax_re23s.dts b/target/linux/ramips/dts/mt7621_edimax_re23s.dts
index 79733152f0..a650ee3c21 100644
--- a/target/linux/ramips/dts/mt7621_edimax_re23s.dts
+++ b/target/linux/ramips/dts/mt7621_edimax_re23s.dts
@@ -18,10 +18,6 @@
 		label-mac-device = &gmac0;
 	};
 
-	chosen {
-		bootargs = "console=ttyS0,57600";
-	};
-
 	leds {
 		compatible = "gpio-leds";
 
diff --git a/target/linux/ramips/dts/mt7621_edimax_rx21s.dtsi b/target/linux/ramips/dts/mt7621_edimax_rx21s.dtsi
index b52ead09d3..f93ae1be04 100644
--- a/target/linux/ramips/dts/mt7621_edimax_rx21s.dtsi
+++ b/target/linux/ramips/dts/mt7621_edimax_rx21s.dtsi
@@ -11,10 +11,6 @@
 		label-mac-device = &gmac0;
 	};
 
-	chosen {
-		bootargs = "console=ttyS0,57600";
-	};
-
 	keys {
 		compatible = "gpio-keys";
 
diff --git a/target/linux/ramips/dts/mt7621_elecom_wrc-1167ghbk2-s.dts b/target/linux/ramips/dts/mt7621_elecom_wrc-1167ghbk2-s.dts
index a455918d7a..3b127e9223 100644
--- a/target/linux/ramips/dts/mt7621_elecom_wrc-1167ghbk2-s.dts
+++ b/target/linux/ramips/dts/mt7621_elecom_wrc-1167ghbk2-s.dts
@@ -16,10 +16,6 @@
 		led-upgrade = &led_power_green;
 	};
 
-	chosen {
-		bootargs = "console=ttyS0,57600";
-	};
-
 	leds {
 		compatible = "gpio-leds";
 
diff --git a/target/linux/ramips/dts/mt7621_elecom_wrc-gst.dtsi b/target/linux/ramips/dts/mt7621_elecom_wrc-gst.dtsi
index c28ba7d973..d4d2fa99e1 100644
--- a/target/linux/ramips/dts/mt7621_elecom_wrc-gst.dtsi
+++ b/target/linux/ramips/dts/mt7621_elecom_wrc-gst.dtsi
@@ -14,10 +14,6 @@
 		label-mac-device = &wan;
 	};
 
-	chosen {
-		bootargs = "console=ttyS0,57600";
-	};
-
 	leds {
 		compatible = "gpio-leds";
 
diff --git a/target/linux/ramips/dts/mt7621_firefly_firewrt.dts b/target/linux/ramips/dts/mt7621_firefly_firewrt.dts
index c7c2f5afbd..e821a3d1d9 100644
--- a/target/linux/ramips/dts/mt7621_firefly_firewrt.dts
+++ b/target/linux/ramips/dts/mt7621_firefly_firewrt.dts
@@ -16,10 +16,6 @@
 		led-upgrade = &led_power;
 	};
 
-	chosen {
-		bootargs = "console=ttyS0,57600";
-	};
-
 	leds {
 		compatible = "gpio-leds";
 
diff --git a/target/linux/ramips/dts/mt7621_gehua_ghl-r-001.dts b/target/linux/ramips/dts/mt7621_gehua_ghl-r-001.dts
index 8f7e273b10..d12ee92b10 100644
--- a/target/linux/ramips/dts/mt7621_gehua_ghl-r-001.dts
+++ b/target/linux/ramips/dts/mt7621_gehua_ghl-r-001.dts
@@ -10,10 +10,6 @@
 	compatible = "gehua,ghl-r-001", "mediatek,mt7621-soc";
 	model = "GeHua GHL-R-001";
 
-	chosen {
-		bootargs = "console=ttyS0,57600";
-	};
-
 	leds {
 		compatible = "gpio-leds";
 
diff --git a/target/linux/ramips/dts/mt7621_gnubee_gb-pc1.dts b/target/linux/ramips/dts/mt7621_gnubee_gb-pc1.dts
index e33838a8b9..364a6bc69d 100644
--- a/target/linux/ramips/dts/mt7621_gnubee_gb-pc1.dts
+++ b/target/linux/ramips/dts/mt7621_gnubee_gb-pc1.dts
@@ -16,10 +16,6 @@
 		led-upgrade = &led_status;
 	};
 
-	chosen {
-		bootargs = "console=ttyS0,57600";
-	};
-
 	keys {
 		compatible = "gpio-keys";
 
diff --git a/target/linux/ramips/dts/mt7621_gnubee_gb-pc2.dts b/target/linux/ramips/dts/mt7621_gnubee_gb-pc2.dts
index 8d5286be41..7b9cb1751f 100644
--- a/target/linux/ramips/dts/mt7621_gnubee_gb-pc2.dts
+++ b/target/linux/ramips/dts/mt7621_gnubee_gb-pc2.dts
@@ -16,10 +16,6 @@
 		led-upgrade = &led_status;
 	};
 
-	chosen {
-		bootargs = "console=ttyS0,57600";
-	};
-
 	keys {
 		compatible = "gpio-keys";
 
diff --git a/target/linux/ramips/dts/mt7621_iodata_wn-xx-xr.dtsi b/target/linux/ramips/dts/mt7621_iodata_wn-xx-xr.dtsi
index acef4d22a0..1ed9380b37 100644
--- a/target/linux/ramips/dts/mt7621_iodata_wn-xx-xr.dtsi
+++ b/target/linux/ramips/dts/mt7621_iodata_wn-xx-xr.dtsi
@@ -14,10 +14,6 @@
 		label-mac-device = &wan;
 	};
 
-	chosen {
-		bootargs = "console=ttyS0,57600";
-	};
-
 	leds {
 		compatible = "gpio-leds";
 
diff --git a/target/linux/ramips/dts/mt7621_iodata_wnpr2600g.dts b/target/linux/ramips/dts/mt7621_iodata_wnpr2600g.dts
index 94b0c18d45..b7f6400930 100644
--- a/target/linux/ramips/dts/mt7621_iodata_wnpr2600g.dts
+++ b/target/linux/ramips/dts/mt7621_iodata_wnpr2600g.dts
@@ -17,10 +17,6 @@
 		led-upgrade = &led_power;
 	};
 
-	chosen {
-		bootargs = "console=ttyS0,57600";
-	};
-
 	leds {
 		compatible = "gpio-leds";
 
diff --git a/target/linux/ramips/dts/mt7621_iptime_a6ns-m.dts b/target/linux/ramips/dts/mt7621_iptime_a6ns-m.dts
index be8b101b78..9b5ed5412c 100644
--- a/target/linux/ramips/dts/mt7621_iptime_a6ns-m.dts
+++ b/target/linux/ramips/dts/mt7621_iptime_a6ns-m.dts
@@ -18,10 +18,6 @@
 		label-mac-device = &gmac0;
 	};
 
-	chosen {
-		bootargs = "console=ttyS0,57600";
-	};
-
 	leds {
 		compatible = "gpio-leds";
 
diff --git a/target/linux/ramips/dts/mt7621_iptime_a8004t.dts b/target/linux/ramips/dts/mt7621_iptime_a8004t.dts
index e96a5d660e..eb437b5528 100644
--- a/target/linux/ramips/dts/mt7621_iptime_a8004t.dts
+++ b/target/linux/ramips/dts/mt7621_iptime_a8004t.dts
@@ -10,10 +10,6 @@
 	compatible = "iptime,a8004t", "mediatek,mt7621-soc";
 	model = "ipTIME A8004T";
 
-	chosen {
-		bootargs = "console=ttyS0,57600";
-	};
-
 	aliases {
 		led-boot = &led_cpu;
 		led-failsafe = &led_cpu;
diff --git a/target/linux/ramips/dts/mt7621_jcg_jhr-ac876m.dts b/target/linux/ramips/dts/mt7621_jcg_jhr-ac876m.dts
index 126896c906..cdf71017ce 100644
--- a/target/linux/ramips/dts/mt7621_jcg_jhr-ac876m.dts
+++ b/target/linux/ramips/dts/mt7621_jcg_jhr-ac876m.dts
@@ -18,10 +18,6 @@
 		label-mac-device = &wan;
 	};
 
-	chosen {
-		bootargs = "console=ttyS0,57600";
-	};
-
 	leds {
 		compatible = "gpio-leds";
 
diff --git a/target/linux/ramips/dts/mt7621_linksys_re6500.dts b/target/linux/ramips/dts/mt7621_linksys_re6500.dts
index ea900d36c2..3cdb1ce7f9 100644
--- a/target/linux/ramips/dts/mt7621_linksys_re6500.dts
+++ b/target/linux/ramips/dts/mt7621_linksys_re6500.dts
@@ -16,10 +16,6 @@
 		led-upgrade = &led_power;
 	};
 
-	chosen {
-		bootargs = "console=ttyS0,57600";
-	};
-
 	leds {
 		compatible = "gpio-leds";
 
diff --git a/target/linux/ramips/dts/mt7621_mediatek_ap-mt7621a-v60.dts b/target/linux/ramips/dts/mt7621_mediatek_ap-mt7621a-v60.dts
index b202342343..e6600ad028 100644
--- a/target/linux/ramips/dts/mt7621_mediatek_ap-mt7621a-v60.dts
+++ b/target/linux/ramips/dts/mt7621_mediatek_ap-mt7621a-v60.dts
@@ -6,10 +6,6 @@
 	compatible = "mediatek,ap-mt7621a-v60", "mediatek,mt7621-soc";
 	model = "Mediatek AP-MT7621A-V60 EVB";
 
-	chosen {
-		bootargs = "console=ttyS0,57600";
-	};
-
 	sound {
 		compatible = "simple-audio-card";
 		simple-audio-card,name = "Audio-I2S";
diff --git a/target/linux/ramips/dts/mt7621_mediatek_mt7621-eval-board.dts b/target/linux/ramips/dts/mt7621_mediatek_mt7621-eval-board.dts
index 8321caae6e..c41cba0e97 100644
--- a/target/linux/ramips/dts/mt7621_mediatek_mt7621-eval-board.dts
+++ b/target/linux/ramips/dts/mt7621_mediatek_mt7621-eval-board.dts
@@ -5,10 +5,6 @@
 / {
 	compatible = "mediatek,mt7621-eval-board", "mediatek,mt7621-soc";
 	model = "Mediatek MT7621 evaluation board";
-
-	chosen {
-		bootargs = "console=ttyS0,57600";
-	};
 };
 
 &nand {
diff --git a/target/linux/ramips/dts/mt7621_mqmaker_witi.dts b/target/linux/ramips/dts/mt7621_mqmaker_witi.dts
index d871ef0231..169a69e4a6 100644
--- a/target/linux/ramips/dts/mt7621_mqmaker_witi.dts
+++ b/target/linux/ramips/dts/mt7621_mqmaker_witi.dts
@@ -9,10 +9,6 @@
 	compatible = "mqmaker,witi", "mediatek,mt7621-soc";
 	model = "MQmaker WiTi";
 
-	chosen {
-		bootargs = "console=ttyS0,57600";
-	};
-
 	keys {
 		compatible = "gpio-keys";
 
diff --git a/target/linux/ramips/dts/mt7621_mtc_wr1201.dts b/target/linux/ramips/dts/mt7621_mtc_wr1201.dts
index 66b4f92852..15e7552e5e 100644
--- a/target/linux/ramips/dts/mt7621_mtc_wr1201.dts
+++ b/target/linux/ramips/dts/mt7621_mtc_wr1201.dts
@@ -17,10 +17,6 @@
 		label-mac-device = &gmac0;
 	};
 
-	chosen {
-		bootargs = "console=ttyS0,57600";
-	};
-
 	leds {
 		compatible = "gpio-leds";
 
diff --git a/target/linux/ramips/dts/mt7621_netgear_ex6150.dts b/target/linux/ramips/dts/mt7621_netgear_ex6150.dts
index 1b0b9e29e9..41c18b4c3b 100644
--- a/target/linux/ramips/dts/mt7621_netgear_ex6150.dts
+++ b/target/linux/ramips/dts/mt7621_netgear_ex6150.dts
@@ -17,10 +17,6 @@
 		led-upgrade = &power_amber;
 	};
 
-	chosen {
-		bootargs = "console=ttyS0,57600";
-	};
-
 	leds {
 		compatible = "gpio-leds";
 
diff --git a/target/linux/ramips/dts/mt7621_netgear_sercomm_ayx.dtsi b/target/linux/ramips/dts/mt7621_netgear_sercomm_ayx.dtsi
index 0b9e7c6626..9313b4c38e 100644
--- a/target/linux/ramips/dts/mt7621_netgear_sercomm_ayx.dtsi
+++ b/target/linux/ramips/dts/mt7621_netgear_sercomm_ayx.dtsi
@@ -16,10 +16,6 @@
 		label-mac-device = &gmac0;
 	};
 
-	chosen {
-		bootargs = "console=ttyS0,57600";
-	};
-
 	keys {
 		compatible = "gpio-keys";
 
diff --git a/target/linux/ramips/dts/mt7621_netgear_sercomm_bzv.dtsi b/target/linux/ramips/dts/mt7621_netgear_sercomm_bzv.dtsi
index d2e5502e48..eee6c535e1 100644
--- a/target/linux/ramips/dts/mt7621_netgear_sercomm_bzv.dtsi
+++ b/target/linux/ramips/dts/mt7621_netgear_sercomm_bzv.dtsi
@@ -12,10 +12,6 @@
 		label-mac-device = &gmac0;
 	};
 
-	chosen {
-		bootargs = "console=ttyS0,57600";
-	};
-
 	keys {
 		compatible = "gpio-keys";
 
diff --git a/target/linux/ramips/dts/mt7621_netgear_sercomm_chj.dtsi b/target/linux/ramips/dts/mt7621_netgear_sercomm_chj.dtsi
index b781edf6be..0de2167e0a 100644
--- a/target/linux/ramips/dts/mt7621_netgear_sercomm_chj.dtsi
+++ b/target/linux/ramips/dts/mt7621_netgear_sercomm_chj.dtsi
@@ -16,10 +16,6 @@
 		label-mac-device = &gmac0;
 	};
 
-	chosen {
-		bootargs = "console=ttyS0,57600";
-	};
-
 	leds {
 		compatible = "gpio-leds";
 
diff --git a/target/linux/ramips/dts/mt7621_netgear_wac104.dts b/target/linux/ramips/dts/mt7621_netgear_wac104.dts
index e6746c999b..ec6fe34953 100644
--- a/target/linux/ramips/dts/mt7621_netgear_wac104.dts
+++ b/target/linux/ramips/dts/mt7621_netgear_wac104.dts
@@ -18,10 +18,6 @@
 		label-mac-device = &gmac0;
 	};
 
-	chosen {
-		bootargs = "console=ttyS0,57600";
-	};
-
 	keys {
 		compatible = "gpio-keys";
 
diff --git a/target/linux/ramips/dts/mt7621_netis_wf2881.dts b/target/linux/ramips/dts/mt7621_netis_wf2881.dts
index e937134ae9..cd49f0a6b3 100644
--- a/target/linux/ramips/dts/mt7621_netis_wf2881.dts
+++ b/target/linux/ramips/dts/mt7621_netis_wf2881.dts
@@ -17,10 +17,6 @@
 		label-mac-device = &gmac0;
 	};
 
-	chosen {
-		bootargs = "console=ttyS0,57600";
-	};
-
 	leds {
 		compatible = "gpio-leds";
 
diff --git a/target/linux/ramips/dts/mt7621_phicomm_k2p.dts b/target/linux/ramips/dts/mt7621_phicomm_k2p.dts
index aa68dddcfc..5a04fb225c 100644
--- a/target/linux/ramips/dts/mt7621_phicomm_k2p.dts
+++ b/target/linux/ramips/dts/mt7621_phicomm_k2p.dts
@@ -16,10 +16,6 @@
 		led-upgrade = &led_blue;
 	};
 
-	chosen {
-		bootargs = "console=ttyS0,57600";
-	};
-
 	leds {
 		compatible = "gpio-leds";
 
diff --git a/target/linux/ramips/dts/mt7621_planex_vr500.dts b/target/linux/ramips/dts/mt7621_planex_vr500.dts
index 4471c4c4e2..15cf191c5a 100644
--- a/target/linux/ramips/dts/mt7621_planex_vr500.dts
+++ b/target/linux/ramips/dts/mt7621_planex_vr500.dts
@@ -16,10 +16,6 @@
 		led-upgrade = &led_power;
 	};
 
-	chosen {
-		bootargs = "console=ttyS0,57600";
-	};
-
 	leds {
 		compatible = "gpio-leds";
 
diff --git a/target/linux/ramips/dts/mt7621_samknows_whitebox-v8.dts b/target/linux/ramips/dts/mt7621_samknows_whitebox-v8.dts
index a237298ec6..2b8f89b876 100644
--- a/target/linux/ramips/dts/mt7621_samknows_whitebox-v8.dts
+++ b/target/linux/ramips/dts/mt7621_samknows_whitebox-v8.dts
@@ -15,10 +15,6 @@
 		led-upgrade = &led_wps;
 	};
 
-	chosen {
-		bootargs = "console=ttyS0,57600";
-	};
-
 	leds {
 		compatible = "gpio-leds";
 
diff --git a/target/linux/ramips/dts/mt7621_storylink_sap-g3200u3.dts b/target/linux/ramips/dts/mt7621_storylink_sap-g3200u3.dts
index a8e6f51ef1..be6e7ec89d 100644
--- a/target/linux/ramips/dts/mt7621_storylink_sap-g3200u3.dts
+++ b/target/linux/ramips/dts/mt7621_storylink_sap-g3200u3.dts
@@ -9,10 +9,6 @@
 	compatible = "storylink,sap-g3200u3", "mediatek,mt7621-soc";
 	model = "STORYLiNK SAP-G3200U3";
 
-	chosen {
-		bootargs = "console=ttyS0,57600";
-	};
-
 	leds {
 		compatible = "gpio-leds";
 
diff --git a/target/linux/ramips/dts/mt7621_totolink_a7000r.dts b/target/linux/ramips/dts/mt7621_totolink_a7000r.dts
index fd24d40fe1..93de34489b 100644
--- a/target/linux/ramips/dts/mt7621_totolink_a7000r.dts
+++ b/target/linux/ramips/dts/mt7621_totolink_a7000r.dts
@@ -17,10 +17,6 @@
 		led-upgrade = &led_sys;
 	};
 
-	chosen {
-		bootargs = "console=ttyS0,57600";
-	};
-
 	leds {
 		compatible = "gpio-leds";
 
diff --git a/target/linux/ramips/dts/mt7621_tplink_re350-v1.dts b/target/linux/ramips/dts/mt7621_tplink_re350-v1.dts
index e11d2b4de1..665af89dfe 100644
--- a/target/linux/ramips/dts/mt7621_tplink_re350-v1.dts
+++ b/target/linux/ramips/dts/mt7621_tplink_re350-v1.dts
@@ -16,10 +16,6 @@
 		led-upgrade = &led_power;
 	};
 
-	chosen {
-		bootargs = "console=ttyS0,57600";
-	};
-
 	leds {
 		compatible = "gpio-leds";
 
diff --git a/target/linux/ramips/dts/mt7621_tplink_rexx0-v1.dtsi b/target/linux/ramips/dts/mt7621_tplink_rexx0-v1.dtsi
index fa9d16a55a..7e860cb00e 100644
--- a/target/linux/ramips/dts/mt7621_tplink_rexx0-v1.dtsi
+++ b/target/linux/ramips/dts/mt7621_tplink_rexx0-v1.dtsi
@@ -10,10 +10,6 @@
 		label-mac-device = &gmac0;
 	};
 
-	chosen {
-		bootargs = "console=ttyS0,57600";
-	};
-
 	keys {
 		compatible = "gpio-keys";
 
diff --git a/target/linux/ramips/dts/mt7621_ubnt_edgerouter-x.dtsi b/target/linux/ramips/dts/mt7621_ubnt_edgerouter-x.dtsi
index 046b9bb197..04eb49bfa3 100644
--- a/target/linux/ramips/dts/mt7621_ubnt_edgerouter-x.dtsi
+++ b/target/linux/ramips/dts/mt7621_ubnt_edgerouter-x.dtsi
@@ -8,10 +8,6 @@
 		label-mac-device = &gmac0;
 	};
 
-	chosen {
-		bootargs = "console=ttyS0,57600";
-	};
-
 	keys {
 		compatible = "gpio-keys";
 
diff --git a/target/linux/ramips/dts/mt7621_wevo_w2914ns-v2.dtsi b/target/linux/ramips/dts/mt7621_wevo_w2914ns-v2.dtsi
index 9592363260..ffa86a4810 100644
--- a/target/linux/ramips/dts/mt7621_wevo_w2914ns-v2.dtsi
+++ b/target/linux/ramips/dts/mt7621_wevo_w2914ns-v2.dtsi
@@ -8,10 +8,6 @@
 		label-mac-device = &wan;
 	};
 
-	chosen {
-		bootargs = "console=ttyS0,57600";
-	};
-
 	keys {
 		compatible = "gpio-keys";
 
diff --git a/target/linux/ramips/dts/mt7621_xiaomi_router-ac2100.dtsi b/target/linux/ramips/dts/mt7621_xiaomi_router-ac2100.dtsi
index d19a3440b5..8241517c73 100644
--- a/target/linux/ramips/dts/mt7621_xiaomi_router-ac2100.dtsi
+++ b/target/linux/ramips/dts/mt7621_xiaomi_router-ac2100.dtsi
@@ -6,7 +6,6 @@
 #include <dt-bindings/input/input.h>
 
 / {
-
 	chosen {
 		bootargs = "console=ttyS0,115200n8";
 	};
diff --git a/target/linux/ramips/dts/mt7621_xiaoyu_xy-c5.dts b/target/linux/ramips/dts/mt7621_xiaoyu_xy-c5.dts
index d99cc7d257..5eacdfaaed 100644
--- a/target/linux/ramips/dts/mt7621_xiaoyu_xy-c5.dts
+++ b/target/linux/ramips/dts/mt7621_xiaoyu_xy-c5.dts
@@ -17,10 +17,6 @@
 		label-mac-device = &gmac0;
 	};
 
-	chosen {
-		bootargs = "console=ttyS0,57600";
-	};
-
 	leds {
 		compatible = "gpio-leds";
 
diff --git a/target/linux/ramips/dts/mt7621_zyxel_wap6805.dts b/target/linux/ramips/dts/mt7621_zyxel_wap6805.dts
index 8152ca11f8..aa167df4ef 100644
--- a/target/linux/ramips/dts/mt7621_zyxel_wap6805.dts
+++ b/target/linux/ramips/dts/mt7621_zyxel_wap6805.dts
@@ -18,10 +18,6 @@
 		label-mac-device = &gmac0;
 	};
 
-	chosen {
-		bootargs = "console=ttyS0,57600";
-	};
-
 	leds {
 		compatible = "gpio-leds";
 
