diff --git a/boards/arm/cxd56xx/spresense/configs/wifi/defconfig b/boards/arm/cxd56xx/spresense/configs/wifi/defconfig
index b040418bcb..cd55b940e6 100644
--- a/boards/arm/cxd56xx/spresense/configs/wifi/defconfig
+++ b/boards/arm/cxd56xx/spresense/configs/wifi/defconfig
@@ -49,6 +49,9 @@ CONFIG_LIBC_EXECFUNCS=y
 CONFIG_LIB_ENVPATH=y
 CONFIG_LIB_SENDFILE_BUFSIZE=1024
 CONFIG_MAX_WDOGPARMS=2
+CONFIG_MEMCPY_VIK=y
+CONFIG_MEMSET_64BIT=y
+CONFIG_MEMSET_OPTSPEED=y
 CONFIG_MMCSD=y
 CONFIG_MMCSD_SDIO=y
 CONFIG_MTD_BYTE_WRITE=y