diff --git a/target/linux/ramips/dts/mt7628an_jotale_js76x8.dtsi b/target/linux/ramips/dts/mt7628an_jotale_js76x8.dtsi
index 61c5d7b7c4..9bd1da4443 100644
--- a/target/linux/ramips/dts/mt7628an_jotale_js76x8.dtsi
+++ b/target/linux/ramips/dts/mt7628an_jotale_js76x8.dtsi
@@ -62,7 +62,6 @@
 		compatible = "jedec,spi-nor";
 		reg = <0>;
 		spi-max-frequency = <40000000>;
-		m25p,chunked-io = <32>;
 
 		partitions {
 			compatible = "fixed-partitions";
diff --git a/target/linux/ramips/dts/mt7628an_tplink_tl-wr841n-v14.dts b/target/linux/ramips/dts/mt7628an_tplink_tl-wr841n-v14.dts
index b33c2ecae8..9731008aea 100644
--- a/target/linux/ramips/dts/mt7628an_tplink_tl-wr841n-v14.dts
+++ b/target/linux/ramips/dts/mt7628an_tplink_tl-wr841n-v14.dts
@@ -65,7 +65,6 @@
 		compatible = "jedec,spi-nor";
 		reg = <0>;
 		spi-max-frequency = <10000000>;
-		m25p,chunked-io = <32>;
 
 		partitions {
 			compatible = "fixed-partitions";
diff --git a/target/linux/ramips/dts/mt7628an_wiznet_wizfi630s.dts b/target/linux/ramips/dts/mt7628an_wiznet_wizfi630s.dts
index 3bb1e06eb1..91661bb2b0 100644
--- a/target/linux/ramips/dts/mt7628an_wiznet_wizfi630s.dts
+++ b/target/linux/ramips/dts/mt7628an_wiznet_wizfi630s.dts
@@ -98,7 +98,6 @@
 		compatible = "jedec,spi-nor";
 		reg = <0>;
 		spi-max-frequency = <40000000>;
-		m25p,chunked-io = <31>;
 
 		partitions {
 			compatible = "fixed-partitions";