diff --git a/boards/risc-v/bl808/ox64/configs/nsh/defconfig b/boards/risc-v/bl808/ox64/configs/nsh/defconfig
index 6258fbaca9..49004476b5 100644
--- a/boards/risc-v/bl808/ox64/configs/nsh/defconfig
+++ b/boards/risc-v/bl808/ox64/configs/nsh/defconfig
@@ -85,23 +85,12 @@ CONFIG_SYSTEM_NSH_PROGNAME="init"
 CONFIG_TESTING_GETPRIME=y
 CONFIG_TESTING_OSTEST=y
 CONFIG_UART0_BAUD=2000000
-CONFIG_UART0_SERIAL_CONSOLE=y
-CONFIG_UART0_PARITY=0
 CONFIG_UART0_BITS=7
-CONFIG_UART0_2STOP=0
 CONFIG_UART1_BAUD=2000000
-CONFIG_UART1_SERIAL_DRIVER=y
-CONFIG_UART1_PARITY=0
 CONFIG_UART1_BITS=7
-CONFIG_UART1_2STOP=0
 CONFIG_UART2_BAUD=2000000
-CONFIG_UART2_SERIAL_DRIVER=y
-CONFIG_UART2_PARITY=0
 CONFIG_UART2_BITS=7
-CONFIG_UART2_2STOP=0
 CONFIG_UART3_BAUD=2000000
-CONFIG_UART3_SERIAL_CONSOLE=y
-CONFIG_UART3_PARITY=0
 CONFIG_UART3_BITS=7
-CONFIG_UART3_2STOP=0
+CONFIG_UART3_SERIAL_CONSOLE=y
 CONFIG_USEC_PER_TICK=1000