diff --git a/dts/nios2/nios2-qemu.dtsi b/dts/nios2/nios2-qemu.dtsi
index b2ad7b13253..62d9a0673a4 100644
--- a/dts/nios2/nios2-qemu.dtsi
+++ b/dts/nios2/nios2-qemu.dtsi
@@ -21,7 +21,6 @@
 	};
 
 	sram0: memory@400000 {
-		device_type = "memory";
 		compatible = "mmio-sram";
 		reg = <0x400000 0x20000>;
 	};
diff --git a/dts/nios2/nios2f.dtsi b/dts/nios2/nios2f.dtsi
index 066492dc20e..dbb63a185a0 100644
--- a/dts/nios2/nios2f.dtsi
+++ b/dts/nios2/nios2f.dtsi
@@ -22,7 +22,6 @@
 	};
 
 	sram0: memory@400000 {
-		device_type = "memory";
 		compatible = "mmio-sram";
 		reg = <0x400000 0x20000>;
 	};