diff --git a/web/src/pages/Events.tsx b/web/src/pages/Events.tsx
index 85c3c276e..cd598388b 100644
--- a/web/src/pages/Events.tsx
+++ b/web/src/pages/Events.tsx
@@ -108,7 +108,7 @@ export default function Events() {
 
   // review summary
 
-  const { data: reviewSummary, mutate: updateSummary } = useSWR([
+  const { data: reviewSummary } = useSWR([
     "review/summary",
     { timezone: timezone },
     { revalidateOnFocus: false },