diff --git a/hal/tests/TESTS/mbed_hal/flash/functional_tests/main.cpp b/hal/tests/TESTS/mbed_hal/flash/functional_tests/main.cpp
index b6dcc5d..3a64fe0 100644
--- a/hal/tests/TESTS/mbed_hal/flash/functional_tests/main.cpp
+++ b/hal/tests/TESTS/mbed_hal/flash/functional_tests/main.cpp
@@ -270,4 +270,4 @@
     Harness::run(specification);
 }
 
-#endif !DEVICE_FLASH
+#endif // !DEVICE_FLASH