diff --git a/tests/kernel/mem_heap/mheap_api_concept/src/main.c b/tests/kernel/mem_heap/mheap_api_concept/src/main.c
index 86e739044e6..aaa367342f4 100644
--- a/tests/kernel/mem_heap/mheap_api_concept/src/main.c
+++ b/tests/kernel/mem_heap/mheap_api_concept/src/main.c
@@ -14,9 +14,9 @@ extern void test_mheap_block_desc(void);
 void test_main(void *p1, void *p2, void *p3)
 {
 	ztest_test_suite(test_mheap_api,
-		ztest_unit_test(test_mheap_malloc_free),
-		ztest_unit_test(test_mheap_malloc_align4),
-		ztest_unit_test(test_mheap_min_block_size),
-		ztest_unit_test(test_mheap_block_desc));
+			 ztest_unit_test(test_mheap_malloc_free),
+			 ztest_unit_test(test_mheap_malloc_align4),
+			 ztest_unit_test(test_mheap_min_block_size),
+			 ztest_unit_test(test_mheap_block_desc));
 	ztest_run_test_suite(test_mheap_api);
 }
diff --git a/tests/kernel/mem_heap/mheap_api_concept/src/test_mheap.h b/tests/kernel/mem_heap/mheap_api_concept/src/test_mheap.h
index c1ebb3ef977..48cb8ce2492 100644
--- a/tests/kernel/mem_heap/mheap_api_concept/src/test_mheap.h
+++ b/tests/kernel/mem_heap/mheap_api_concept/src/test_mheap.h
@@ -6,7 +6,7 @@
 
 #define TIMEOUT 2000
 #define BLK_SIZE_MIN 64
-#define BLK_NUM_MAX (CONFIG_HEAP_MEM_POOL_SIZE/BLK_SIZE_MIN)
-#define BLK_NUM_MIN (CONFIG_HEAP_MEM_POOL_SIZE/(BLK_SIZE_MIN<<2))
-#define BLK_SIZE_EXCLUDE_DESC (BLK_SIZE_MIN-16)
-#define BLK_SIZE_QUARTER (CONFIG_HEAP_MEM_POOL_SIZE>>2)
+#define BLK_NUM_MAX (CONFIG_HEAP_MEM_POOL_SIZE / BLK_SIZE_MIN)
+#define BLK_NUM_MIN (CONFIG_HEAP_MEM_POOL_SIZE / (BLK_SIZE_MIN << 2))
+#define BLK_SIZE_EXCLUDE_DESC (BLK_SIZE_MIN - 16)
+#define BLK_SIZE_QUARTER (CONFIG_HEAP_MEM_POOL_SIZE >> 2)
diff --git a/tests/kernel/mem_heap/mheap_api_concept/src/test_mheap_concept.c b/tests/kernel/mem_heap/mheap_api_concept/src/test_mheap_concept.c
index 73d4da89acf..54a7ad75907 100644
--- a/tests/kernel/mem_heap/mheap_api_concept/src/test_mheap_concept.c
+++ b/tests/kernel/mem_heap/mheap_api_concept/src/test_mheap_concept.c
@@ -36,7 +36,7 @@ void test_mheap_malloc_align4(void)
 	for (int i = 0; i < BLK_NUM_MAX; i++) {
 		block[i] = k_malloc(i);
 		zassert_not_null(block[i], NULL);
-		zassert_false((int)block[i]%4, NULL);
+		zassert_false((int)block[i] % 4, NULL);
 	}
 
 	/* test case tear down*/