diff --git a/testsuites/unit/tc-base64-decode.c b/testsuites/unit/tc-base64-decode.c
index dd9d50b069..4b0672d310 100644
--- a/testsuites/unit/tc-base64-decode.c
+++ b/testsuites/unit/tc-base64-decode.c
@@ -1,5 +1,11 @@
 /* SPDX-License-Identifier: BSD-2-Clause */
 
+/**
+ * @file
+ *
+ * @ingroup TestsuitesUnitNoClock0
+ */
+
 /*
  * Copyright (C) 2023 embedded brains GmbH & Co. KG
  *
diff --git a/testsuites/unit/tc-crc.c b/testsuites/unit/tc-crc.c
index 4ab0f4c882..d33a837860 100644
--- a/testsuites/unit/tc-crc.c
+++ b/testsuites/unit/tc-crc.c
@@ -1,5 +1,11 @@
 /* SPDX-License-Identifier: BSD-2-Clause */
 
+/**
+ * @file
+ *
+ * @ingroup TestsuitesUnitNoClock0
+ */
+
 /*
  * Copyright (C) 2023 embedded brains GmbH & Co. KG
  *