diff --git a/target/linux/ramips/dts/mt7621_iptime_a8004t.dts b/target/linux/ramips/dts/mt7621_iptime_a8004t.dts
index b948236c15..e96a5d660e 100644
--- a/target/linux/ramips/dts/mt7621_iptime_a8004t.dts
+++ b/target/linux/ramips/dts/mt7621_iptime_a8004t.dts
@@ -65,8 +65,7 @@
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
-		spi-max-frequency = <80000000>;
-		m25p,fast-read;
+		spi-max-frequency = <50000000>;
 
 		partitions {
 			compatible = "fixed-partitions";