diff --git a/tests/scripts/all.sh b/tests/scripts/all.sh
index 613c98b40..fe3fed0a9 100755
--- a/tests/scripts/all.sh
+++ b/tests/scripts/all.sh
@@ -162,7 +162,6 @@ scripts/config.pl unset POLARSSL_TIMING_C
 scripts/config.pl unset POLARSSL_FS_IO
 scripts/config.pl unset POLARSSL_SSL_PROTO_DTLS # timing.c
 scripts/config.pl unset POLARSSL_SSL_DTLS_ANTI_REPLAY
-scripts/config.pl unset POLARSSL_SSL_DTLS_ANTI_REPLAY
 scripts/config.pl unset POLARSSL_SSL_DTLS_HELLO_VERIFY
 scripts/config.pl unset POLARSSL_SSL_DTLS_BADMAC_LIMIT
 scripts/config.pl unset POLARSSL_SSL_COOKIE_C
@@ -186,7 +185,6 @@ scripts/config.pl unset POLARSSL_FS_IO
 scripts/config.pl unset POLARSSL_HAVE_TIME
 scripts/config.pl unset POLARSSL_SSL_PROTO_DTLS # timing.c
 scripts/config.pl unset POLARSSL_SSL_DTLS_ANTI_REPLAY
-scripts/config.pl unset POLARSSL_SSL_DTLS_ANTI_REPLAY
 scripts/config.pl unset POLARSSL_SSL_DTLS_HELLO_VERIFY
 scripts/config.pl unset POLARSSL_SSL_DTLS_BADMAC_LIMIT
 scripts/config.pl unset POLARSSL_SSL_COOKIE_C