diff --git a/server/routers/api-router.js b/server/routers/api-router.js
index 6bc4b91e..45e72673 100644
--- a/server/routers/api-router.js
+++ b/server/routers/api-router.js
@@ -316,7 +316,6 @@ router.get("/api/badge/:id/ping/:duration?", cache("5 minutes"), async (request,
         if (/^[0-9]+$/.test(requestedDuration)) {
             requestedDuration = `${requestedDuration}h`;
         }
-        const duration = requestedDuration.slice(0, -1);
 
         // Check if monitor is public