diff --git a/boards/arm/cxd56xx/spresense/configs/lte/defconfig b/boards/arm/cxd56xx/spresense/configs/lte/defconfig
index 2b271be0cff..3c13f9ccee8 100644
--- a/boards/arm/cxd56xx/spresense/configs/lte/defconfig
+++ b/boards/arm/cxd56xx/spresense/configs/lte/defconfig
@@ -9,6 +9,7 @@
 # CONFIG_MMCSD_HAVE_WRITEPROTECT is not set
 # CONFIG_MMCSD_SPI is not set
 # CONFIG_MTD_SMART_WEAR_LEVEL is not set
+# CONFIG_NET_ARP is not set
 # CONFIG_STANDARD_SERIAL is not set
 CONFIG_ALLOW_MIT_COMPONENTS=y
 CONFIG_ARCH="arm"
@@ -45,13 +46,10 @@ CONFIG_HAVE_CXX=y
 CONFIG_HAVE_CXXINITIALIZE=y
 CONFIG_INIT_ENTRYPOINT="spresense_main"
 CONFIG_INIT_STACKSIZE=3072
-CONFIG_IOB_NBUFFERS=24
-CONFIG_IOB_NCHAINS=24
 CONFIG_LTE_ALT1250=y
 CONFIG_LTE_LAPI=y
 CONFIG_MBEDTLS_APPS=y
 CONFIG_MBEDTLS_VERSION="2.28.0"
-CONFIG_MM_IOB=y
 CONFIG_MODEM=y
 CONFIG_MODEM_ALT1250=y
 CONFIG_MTD_BYTE_WRITE=y