diff --git a/tests/scripts/all.sh b/tests/scripts/all.sh
index 6429054..124889d 100755
--- a/tests/scripts/all.sh
+++ b/tests/scripts/all.sh
@@ -1297,6 +1297,7 @@
     scripts/config.py unset MBEDTLS_CMAC_C
     scripts/config.py unset MBEDTLS_NIST_KW_C
     scripts/config.py unset MBEDTLS_SSL_SESSION_TICKETS
+    scripts/config.py unset MBEDTLS_SSL_CONTEXT_SERIALIZATION
 
     # Enable stream(null) cipher only
     scripts/config.py set MBEDTLS_CIPHER_NULL_CIPHER