diff --git a/misc/generated/configs.c.in b/misc/generated/configs.c.in
index e965695eb92..110f1aeb6a1 100644
--- a/misc/generated/configs.c.in
+++ b/misc/generated/configs.c.in
@@ -1,3 +1,7 @@
+/*
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 /* file is auto-generated, do not modify ! */
 
 #include <toolchain.h>
diff --git a/subsys/debug/tracing/sysview.c b/subsys/debug/tracing/sysview.c
index 90334ee989a..75aac11ba40 100644
--- a/subsys/debug/tracing/sysview.c
+++ b/subsys/debug/tracing/sysview.c
@@ -1,4 +1,8 @@
-
+/*
+ * Copyright (c) 2018 Intel Corporation
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
 #include <zephyr.h>
 #include <kernel_structs.h>
 #include <init.h>
diff --git a/tests/kernel/interrupt/src/nested_irq.c b/tests/kernel/interrupt/src/nested_irq.c
index dcbc9158b69..1c1b9695355 100644
--- a/tests/kernel/interrupt/src/nested_irq.c
+++ b/tests/kernel/interrupt/src/nested_irq.c
@@ -1,3 +1,8 @@
+/*
+ * Copyright (c) 2018 Intel Corporation
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
 #include "interrupt.h"
 
 #define DURATION 5