diff --git a/test/testing_windows.c b/test/testing_windows.c
index 55651bb5..beb84cf5 100644
--- a/test/testing_windows.c
+++ b/test/testing_windows.c
@@ -60,7 +60,6 @@ int64_t testingTimerNsec(testingTimer *t)
 	c = t->end.QuadPart - t->start.QuadPart;
 
 	ret = c * qpnsQuot;
-	// TODO figure out if the following multiplication can overflow
 	ret += (c * qpnsRem) / qpf.QuadPart;
 	return ret;
 }