diff --git a/yotta/data/adjust-config.sh b/yotta/data/adjust-config.sh
index 9088fd5e34..170d3070ad 100755
--- a/yotta/data/adjust-config.sh
+++ b/yotta/data/adjust-config.sh
@@ -68,7 +68,6 @@ conf unset MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED
 conf unset MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED
 conf unset MBEDTLS_SSL_FALLBACK_SCSV
 conf unset MBEDTLS_SSL_CBC_RECORD_SPLITTING
-conf unset MBEDTLS_SSL_PROTO_SSL3
 conf unset MBEDTLS_SSL_PROTO_TLS1
 conf unset MBEDTLS_SSL_PROTO_TLS1_1
 conf unset MBEDTLS_SSL_TRUNCATED_HMAC