diff --git a/tests/kernel/obj_tracing/src/object_monitor.c b/tests/kernel/obj_tracing/src/object_monitor.c
index d237bafee16..ae66ff3af00 100644
--- a/tests/kernel/obj_tracing/src/object_monitor.c
+++ b/tests/kernel/obj_tracing/src/object_monitor.c
@@ -55,14 +55,14 @@ static inline int test_thread_monitor(void)
 	while (thread_list != NULL) {
 		if (thread_list->base.prio == -1) {
 			TC_PRINT("PREMPT: %p OPTIONS: 0x%02x, STATE: 0x%02x\n",
-			thread_list,
-			thread_list->base.user_options,
-			thread_list->base.thread_state);
+				 thread_list,
+				 thread_list->base.user_options,
+				 thread_list->base.thread_state);
 		} else {
 			TC_PRINT("COOP: %p OPTIONS: 0x%02x, STATE: 0x%02x\n",
-			thread_list,
-			thread_list->base.user_options,
-			thread_list->base.thread_state);
+				 thread_list,
+				 thread_list->base.user_options,
+				 thread_list->base.thread_state);
 		}
 		thread_list =
 			(struct k_thread *)SYS_THREAD_MONITOR_NEXT(thread_list);
@@ -92,7 +92,7 @@ void object_monitor(void)
 	while (obj_list != NULL) {
 		TC_PRINT("SEMAPHORE REF: %p\n", obj_list);
 		obj_list = SYS_TRACING_NEXT(OBJ_LIST_TYPE, OBJ_LIST_NAME,
-						obj_list);
+					    obj_list);
 		obj_counter++;
 	}
 	TC_PRINT("SEMAPHORE QUANTITY: %d\n", obj_counter);
diff --git a/tests/kernel/obj_tracing/src/phil.h b/tests/kernel/obj_tracing/src/phil.h
index 585074c7d6f..440a378bceb 100644
--- a/tests/kernel/obj_tracing/src/phil.h
+++ b/tests/kernel/obj_tracing/src/phil.h
@@ -5,4 +5,4 @@
  *
  * SPDX-License-Identifier: Apache-2.0
  */
-#define N_PHILOSOPHERS	5
+#define N_PHILOSOPHERS  5
diff --git a/tests/kernel/obj_tracing/src/philosopher.c b/tests/kernel/obj_tracing/src/philosopher.c
index d0731327400..2c33a55bf5f 100644
--- a/tests/kernel/obj_tracing/src/philosopher.c
+++ b/tests/kernel/obj_tracing/src/philosopher.c
@@ -32,8 +32,8 @@ extern struct k_sem forks[N_PHILOSOPHERS];
 void phil_entry(void)
 {
 	int counter;
-	struct k_sem *f1;	/* fork #1 */
-	struct k_sem *f2;	/* fork #2 */
+	struct k_sem *f1;       /* fork #1 */
+	struct k_sem *f2;       /* fork #2 */
 	static int myId;        /* next philosopher ID */
 	int pri = irq_lock();   /* interrupt lock level */
 	int id = myId++;        /* current philosopher ID */
@@ -41,7 +41,7 @@ void phil_entry(void)
 	irq_unlock(pri);
 
 	/* always take the lowest fork first */
-	if ((id+1) != N_PHILOSOPHERS) {
+	if ((id + 1) != N_PHILOSOPHERS) {
 		f1 = FORK(id);
 		f2 = FORK(id + 1);
 	} else {