diff --git a/boards/arm/cxd56xx/spresense/configs/lte/defconfig b/boards/arm/cxd56xx/spresense/configs/lte/defconfig
index b731d1cecc8..9c9ce195b29 100644
--- a/boards/arm/cxd56xx/spresense/configs/lte/defconfig
+++ b/boards/arm/cxd56xx/spresense/configs/lte/defconfig
@@ -48,9 +48,6 @@ CONFIG_INIT_ENTRYPOINT="spresense_main"
 CONFIG_INIT_STACKSIZE=3072
 CONFIG_LTE_ALT1250=y
 CONFIG_LTE_LAPI=y
-CONFIG_MBEDTLS_SSL_DTLS_CONNECTION_ID=y
-CONFIG_MBEDTLS_SSL_DTLS_CONNECTION_ID_COMPAT=y
-CONFIG_MBEDTLS_SSL_PROTO_DTLS=y
 CONFIG_MODEM=y
 CONFIG_MODEM_ALT1250=y
 CONFIG_MTD_BYTE_WRITE=y
diff --git a/boards/sim/sim/sim/configs/crypto/defconfig b/boards/sim/sim/sim/configs/crypto/defconfig
index ac3a871611d..8efd95a706d 100644
--- a/boards/sim/sim/sim/configs/crypto/defconfig
+++ b/boards/sim/sim/sim/configs/crypto/defconfig
@@ -56,10 +56,6 @@ CONFIG_MBEDTLS_MD5_ALT=y
 CONFIG_MBEDTLS_SHA1_ALT=y
 CONFIG_MBEDTLS_SHA256_ALT=y
 CONFIG_MBEDTLS_SHA512_ALT=y
-CONFIG_MBEDTLS_SSL_DTLS_CONNECTION_ID=y
-CONFIG_MBEDTLS_SSL_DTLS_CONNECTION_ID_COMPAT=y
-CONFIG_MBEDTLS_SSL_PROTO_DTLS=y
-CONFIG_MBEDTLS_X509_RSASSA_PSS_SUPPORT=y
 CONFIG_NSH_ARCHINIT=y
 CONFIG_NSH_ARCHROMFS=y
 CONFIG_NSH_BUILTIN_APPS=y