diff --git a/src/corelib/global/q20chrono.h b/src/corelib/global/q20chrono.h
index b296b4e966a..19c2eabe3d1 100644
--- a/src/corelib/global/q20chrono.h
+++ b/src/corelib/global/q20chrono.h
@@ -48,7 +48,7 @@ static_assert(std::is_same_v<days::rep, IntRep>);
 static_assert(std::is_same_v<weeks::rep, IntRep>);
 static_assert(std::is_same_v<years::rep, IntRep>);
 static_assert(std::is_same_v<months::rep, IntRep>);
-#else // __cpp_lib_chrono >= 201907L
+#else
 using days = std::chrono::duration<IntRep, std::ratio<86400>>;
 using weeks = std::chrono::duration<IntRep, std::ratio_multiply<std::ratio<7>, days::period>>;
 using years = std::chrono::duration<IntRep, std::ratio_multiply<std::ratio<146097, 400>, days::period>>;