diff --git a/scripts/config.pl b/scripts/config.pl
index 1c7c736..308af4a 100755
--- a/scripts/config.pl
+++ b/scripts/config.pl
@@ -39,6 +39,7 @@
 #   MBEDTLS_X509_ALLOW_UNSUPPORTED_CRITICAL_EXTENSION
 #       - this could be enabled if the respective tests were adapted
 #   MBEDTLS_X509_REMOVE_INFO
+#   MBEDTLS_X509_CRT_REMOVE_TIME
 #   MBEDTLS_ZLIB_SUPPORT
 #   MBEDTLS_PKCS11_C
 #   and any symbol beginning _ALT
@@ -102,6 +103,7 @@
 MBEDTLS_X509_ALLOW_EXTENSIONS_NON_V3
 MBEDTLS_X509_ALLOW_UNSUPPORTED_CRITICAL_EXTENSION
 MBEDTLS_X509_REMOVE_INFO
+MBEDTLS_X509_CRT_REMOVE_TIME
 MBEDTLS_ZLIB_SUPPORT
 MBEDTLS_PKCS11_C
 MBEDTLS_NO_UDBL_DIVISION