diff --git a/tests/src/fsfw_tests/internal/osal/IntTestMutex.cpp b/tests/src/fsfw_tests/internal/osal/IntTestMutex.cpp
index be90501b..d9184cd8 100644
--- a/tests/src/fsfw_tests/internal/osal/IntTestMutex.cpp
+++ b/tests/src/fsfw_tests/internal/osal/IntTestMutex.cpp
@@ -39,7 +39,6 @@ void testmutex::testMutex() {
 		unitt::put_error(id);
 	}
 
-	// TODO: we should pass a define like FSFW_OSAL_HOST to the build.
 #if !defined PLATFORM_WIN && !defined PLATFORM_UNIX
     result = mutex->unlockMutex();
 	if(result != MutexIF::CURR_THREAD_DOES_NOT_OWN_MUTEX) {