diff --git a/tests/include/test/ssl_helpers.h b/tests/include/test/ssl_helpers.h
index 0af9f7bc38..f49cceca15 100644
--- a/tests/include/test/ssl_helpers.h
+++ b/tests/include/test/ssl_helpers.h
@@ -91,12 +91,10 @@
 
 /*
  * To use the test keys we need PSA_WANT_ALG_SHA_256. Some test cases need an additional hash that
- * can be used in modern TLS, but it doesn't matter which one.
+ * is configured by default (see mbedtls_ssl_config_defaults()), but it doesn't matter which one.
  */
 #if defined(MBEDTLS_SHA512_C)   || \
-    defined(MBEDTLS_SHA384_C)   || \
-    defined(MBEDTLS_SHA256)     || \
-    defined(MBEDTLS_SHA1_C)
+    defined(MBEDTLS_SHA384_C)
 #define MBEDTLS_TEST_HAS_ADDITIONAL_HASH
 #endif