diff --git a/target/linux/rockchip/image/default.bootscript b/target/linux/rockchip/image/default.bootscript
index e9de14ff7a..d49abd4478 100644
--- a/target/linux/rockchip/image/default.bootscript
+++ b/target/linux/rockchip/image/default.bootscript
@@ -8,7 +8,7 @@ elif test $stdout = 'serial@ff1a0000' ;
 then serial_addr=',0xff1a0000';
 fi;
 
-setenv bootargs "console=ttyS2,1500000 console=tty1 earlycon=uart8250,mmio32${serial_addr} swiotlb=1 root=PARTUUID=${uuid} rw rootwait";
+setenv bootargs "console=ttyS2,1500000 console=tty1 earlycon=uart8250,mmio32${serial_addr} root=PARTUUID=${uuid} rw rootwait";
 
 load ${devtype} ${devnum}:1 ${kernel_addr_r} kernel.img