diff --git a/boards/arm/cxd56xx/spresense/configs/audio/defconfig b/boards/arm/cxd56xx/spresense/configs/audio/defconfig
index 9f170db788..bac052ca09 100644
--- a/boards/arm/cxd56xx/spresense/configs/audio/defconfig
+++ b/boards/arm/cxd56xx/spresense/configs/audio/defconfig
@@ -43,7 +43,6 @@ CONFIG_FS_PROCFS_REGISTER=y
 CONFIG_FS_SMARTFS=y
 CONFIG_HAVE_CXX=y
 CONFIG_HAVE_CXXINITIALIZE=y
-CONFIG_LIBM=y
 CONFIG_MAX_TASKS=16
 CONFIG_MMCSD=y
 CONFIG_MMCSD_SDIO=y
diff --git a/boards/arm/cxd56xx/spresense/configs/audio_sdk/defconfig b/boards/arm/cxd56xx/spresense/configs/audio_sdk/defconfig
index f2a0b417fd..e056d8d081 100644
--- a/boards/arm/cxd56xx/spresense/configs/audio_sdk/defconfig
+++ b/boards/arm/cxd56xx/spresense/configs/audio_sdk/defconfig
@@ -41,7 +41,6 @@ CONFIG_FS_PROCFS_REGISTER=y
 CONFIG_FS_SMARTFS=y
 CONFIG_HAVE_CXX=y
 CONFIG_HAVE_CXXINITIALIZE=y
-CONFIG_LIBM=y
 CONFIG_MAX_TASKS=16
 CONFIG_MMCSD=y
 CONFIG_MMCSD_SDIO=y
diff --git a/boards/arm/cxd56xx/spresense/configs/rndis/defconfig b/boards/arm/cxd56xx/spresense/configs/rndis/defconfig
index 9a86ad2e79..f86844a20d 100644
--- a/boards/arm/cxd56xx/spresense/configs/rndis/defconfig
+++ b/boards/arm/cxd56xx/spresense/configs/rndis/defconfig
@@ -61,7 +61,6 @@ CONFIG_HAVE_CXXINITIALIZE=y
 CONFIG_I2C=y
 CONFIG_IOB_NBUFFERS=128
 CONFIG_LIBC_EXECFUNCS=y
-CONFIG_LIBM=y
 CONFIG_LIB_ENVPATH=y
 CONFIG_LIB_SENDFILE_BUFSIZE=1024
 CONFIG_MEMCPY_VIK=y
diff --git a/boards/arm/cxd56xx/spresense/configs/rndis_smp/defconfig b/boards/arm/cxd56xx/spresense/configs/rndis_smp/defconfig
index dbf20221be..e77610570d 100644
--- a/boards/arm/cxd56xx/spresense/configs/rndis_smp/defconfig
+++ b/boards/arm/cxd56xx/spresense/configs/rndis_smp/defconfig
@@ -63,7 +63,6 @@ CONFIG_HAVE_CXXINITIALIZE=y
 CONFIG_I2C=y
 CONFIG_IOB_NBUFFERS=128
 CONFIG_LIBC_EXECFUNCS=y
-CONFIG_LIBM=y
 CONFIG_LIB_ENVPATH=y
 CONFIG_LIB_SENDFILE_BUFSIZE=1024
 CONFIG_MEMCPY_VIK=y
diff --git a/boards/arm/cxd56xx/spresense/configs/wifi/defconfig b/boards/arm/cxd56xx/spresense/configs/wifi/defconfig
index 320724e0a6..333d9068fd 100644
--- a/boards/arm/cxd56xx/spresense/configs/wifi/defconfig
+++ b/boards/arm/cxd56xx/spresense/configs/wifi/defconfig
@@ -75,7 +75,6 @@ CONFIG_LCD=y
 CONFIG_LCD_ILI9340=y
 CONFIG_LCD_ILI9340_IFACE0=y
 CONFIG_LIBC_EXECFUNCS=y
-CONFIG_LIBM=y
 CONFIG_LIB_ENVPATH=y
 CONFIG_LIB_SENDFILE_BUFSIZE=1024
 CONFIG_MEMCPY_VIK=y
diff --git a/boards/arm/cxd56xx/spresense/configs/wifi_smp/defconfig b/boards/arm/cxd56xx/spresense/configs/wifi_smp/defconfig
index 80e260e5e1..33f748fb1c 100644
--- a/boards/arm/cxd56xx/spresense/configs/wifi_smp/defconfig
+++ b/boards/arm/cxd56xx/spresense/configs/wifi_smp/defconfig
@@ -78,7 +78,6 @@ CONFIG_LCD=y
 CONFIG_LCD_ILI9340=y
 CONFIG_LCD_ILI9340_IFACE0=y
 CONFIG_LIBC_EXECFUNCS=y
-CONFIG_LIBM=y
 CONFIG_LIB_ENVPATH=y
 CONFIG_LIB_SENDFILE_BUFSIZE=1024
 CONFIG_MEMCPY_VIK=y