diff --git a/scripts/config.pl b/scripts/config.pl
index af85824..f3b9da6 100755
--- a/scripts/config.pl
+++ b/scripts/config.pl
@@ -61,6 +61,10 @@
 #   MBEDTLS_VALIDATE_SSL_KEYS_INTEGRITY
 #   MBEDTLS_OPTIMIZE_TINYCRYPT_ASM
 #   MBEDTLS_AES_128_BIT_MASKED
+#   MBEDTLS_PLATFORM_FAULT_CALLBACKS
+#   MBEDTLS_SSL_FREE_SERVER_CERTIFICATE
+#   MBEDTLS_IMMEDIATE_TRANSMISSION
+#   MBEDTLS_EARLY_KEY_COMPUTATION
 #   and any symbol beginning _ALT
 #
 # The baremetal configuration excludes options that require a library or
@@ -149,6 +153,9 @@
 MBEDTLS_OPTIMIZE_TINYCRYPT_ASM
 MBEDTLS_AES_128_BIT_MASKED
 MBEDTLS_PLATFORM_FAULT_CALLBACKS
+MBEDTLS_SSL_FREE_SERVER_CERTIFICATE
+MBEDTLS_IMMEDIATE_TRANSMISSION
+MBEDTLS_EARLY_KEY_COMPUTATION
 _ALT\s*$
 );