diff --git a/src/pages/Models/index.tsx b/src/pages/Models/index.tsx
index 5a6bf346d..c17170294 100644
--- a/src/pages/Models/index.tsx
+++ b/src/pages/Models/index.tsx
@@ -26,6 +26,14 @@ const WINDOWS_USAGE_FETCH_MAX_ATTEMPTS = 3;
 const USAGE_FETCH_RETRY_DELAY_MS = 1500;
 const USAGE_AUTO_REFRESH_INTERVAL_MS = 15_000;
 
+const HIDDEN_USAGE_MARKERS = ['gateway-injected', 'delivery-mirror'];
+
+function isHiddenUsageSource(source?: string): boolean {
+  if (!source) return false;
+  const normalizedSource = source.trim().toLowerCase();
+  return HIDDEN_USAGE_MARKERS.some((marker) => normalizedSource.includes(marker));
+}
+
 export function Models() {
   const { t } = useTranslation(['dashboard', 'settings']);
   const gatewayStatus = useGatewayStore((state) => state.status);
@@ -40,21 +48,6 @@ export function Models() {
   const [usagePage, setUsagePage] = useState(1);
   const [selectedUsageEntry, setSelectedUsageEntry] = useState<UsageHistoryEntry | null>(null);
   const [usageRefreshNonce, setUsageRefreshNonce] = useState(0);
-  const HIDDEN_USAGE_SOURCES = new Set([
-    'gateway-injected',
-    'delivery-mirror',
-  ]);
-
-  function isHiddenUsageSource(source?: string): boolean {
-    if (!source) return false;
-    const normalizedSource = source.trim().toLowerCase();
-    return (
-      HIDDEN_USAGE_SOURCES.has(normalizedSource)
-      || normalizedSource.includes('gateway-injected')
-      || normalizedSource.includes('delivery-mirror')
-    );
-  }
-
   function formatUsageSource(source?: string): string | undefined {
     if (!source) return undefined;