diff --git a/boards/arm/cxd56xx/spresense/configs/rndis/defconfig b/boards/arm/cxd56xx/spresense/configs/rndis/defconfig
index f86844a20dd..59ac8be8071 100644
--- a/boards/arm/cxd56xx/spresense/configs/rndis/defconfig
+++ b/boards/arm/cxd56xx/spresense/configs/rndis/defconfig
@@ -149,7 +149,6 @@ CONFIG_SYSTEM_NSH_SYMTAB_COUNTNAME="g_nsymbols"
 CONFIG_SYSTEM_NXPLAYER=y
 CONFIG_SYSTEM_NXRECORDER=y
 CONFIG_SYSTEM_PING=y
-CONFIG_TELNET_CHARACTER_MODE=y
 CONFIG_TESTING_OSTEST=y
 CONFIG_TESTING_OSTEST_FPUSIZE=64
 CONFIG_UART1_SERIAL_CONSOLE=y
diff --git a/boards/arm/cxd56xx/spresense/configs/rndis_smp/defconfig b/boards/arm/cxd56xx/spresense/configs/rndis_smp/defconfig
index 62ebc1ded40..bbf70f9cf28 100644
--- a/boards/arm/cxd56xx/spresense/configs/rndis_smp/defconfig
+++ b/boards/arm/cxd56xx/spresense/configs/rndis_smp/defconfig
@@ -153,7 +153,6 @@ CONFIG_SYSTEM_NXRECORDER=y
 CONFIG_SYSTEM_PING=y
 CONFIG_SYSTEM_SYSTEM=y
 CONFIG_SYSTEM_TASKSET=y
-CONFIG_TELNET_CHARACTER_MODE=y
 CONFIG_TESTING_GETPRIME=y
 CONFIG_TESTING_OSTEST=y
 CONFIG_TESTING_OSTEST_FPUSIZE=64