diff --git a/boards/arm/cxd56xx/spresense/configs/wifi/defconfig b/boards/arm/cxd56xx/spresense/configs/wifi/defconfig
index 856f1c6c72..44eba94a96 100644
--- a/boards/arm/cxd56xx/spresense/configs/wifi/defconfig
+++ b/boards/arm/cxd56xx/spresense/configs/wifi/defconfig
@@ -23,6 +23,7 @@ CONFIG_BOOT_RUNFROMISRAM=y
 CONFIG_BUILTIN=y
 CONFIG_CLOCK_MONOTONIC=y
 CONFIG_CODECS_HASH_MD5=y
+CONFIG_CXD56_AUDIO_BUFFER_SIZE=2048
 CONFIG_CXD56_AUDIO_NUM_BUFFERS=32
 CONFIG_CXD56_BINARY=y
 CONFIG_CXD56_DMAC_SPI5_RX=y
@@ -107,7 +108,6 @@ CONFIG_NSH_WGET_USERAGENT="NuttX/7.2x.x (; http://www.nuttx.org/)"
 CONFIG_NXPLAYER_HTTP_STREAMING_SUPPORT=y
 CONFIG_NXPLAYER_MAINTHREAD_STACKSIZE=3072
 CONFIG_PATH_INITIAL="/mnt/sd0/bin"
-CONFIG_PREALLOC_MQ_MSGS=4
 CONFIG_PREALLOC_TIMERS=4
 CONFIG_PREALLOC_WDOGS=16
 CONFIG_RAM_SIZE=1572864