diff --git a/scripts/config.pl b/scripts/config.pl
index 6ee1345..a50a80c 100755
--- a/scripts/config.pl
+++ b/scripts/config.pl
@@ -18,6 +18,9 @@
 #   POLARSSL_X509_ALLOW_UNSUPPORTED_CRITICAL_EXTENSION could be enabled if the
 #   respective tests were adapted
 my @excluded = qw(
+POLARSSL_ERROR_STRERROR_BC
+POLARSSL_MEMORY_C
+POLARSSL_PBKDF2_C
 POLARSSL_HAVE_INT8
 POLARSSL_HAVE_INT16
 POLARSSL_HAVE_SSE2