diff --git a/arch/arm/boot/dts/rk312x-sdk.dtsi b/arch/arm/boot/dts/rk312x-sdk.dtsi
index e98de5af4cbf..fc85b32e067f 100755
--- a/arch/arm/boot/dts/rk312x-sdk.dtsi
+++ b/arch/arm/boot/dts/rk312x-sdk.dtsi
@@ -9,7 +9,7 @@
 	};
 
 	chosen {
-		bootargs = "vmalloc=496M clk_ignore_unused";
+		bootargs = "vmalloc=496M";
 	};
 
 	pwm_regulator1:pwm-regulator1 {