diff --git a/tests/scripts/all.sh b/tests/scripts/all.sh
index e89108e..55bdc14 100755
--- a/tests/scripts/all.sh
+++ b/tests/scripts/all.sh
@@ -1238,6 +1238,7 @@
     scripts/config.py unset MBEDTLS_PSA_CRYPTO_STORAGE_C
     scripts/config.py unset MBEDTLS_SSL_DTLS_ANTI_REPLAY
     scripts/config.py unset MBEDTLS_SSL_DTLS_CONNECTION_ID
+    scripts/config.py unset MBEDTLS_SSL_DTLS_CONNECTION_ID_COMPAT
     scripts/config.py unset MBEDTLS_SSL_PROTO_TLS1_3
     scripts/config.py unset MBEDTLS_SSL_SRV_C
     scripts/config.py unset MBEDTLS_USE_PSA_CRYPTO