diff --git a/src/proxy/middle_relay.rs b/src/proxy/middle_relay.rs
index 8b8d3dc..d0f5ffb 100644
--- a/src/proxy/middle_relay.rs
+++ b/src/proxy/middle_relay.rs
@@ -535,6 +535,7 @@ fn quota_exceeded_for_user(stats: &Stats, user: &str, quota_limit: Option<u64>)
     quota_limit.is_some_and(|quota| stats.get_user_total_octets(user) >= quota)
 }
 
+#[cfg_attr(not(test), allow(dead_code))]
 fn quota_would_be_exceeded_for_user(
     stats: &Stats,
     user: &str,