diff --git a/extensions/slack/src/monitor.test-helpers.ts b/extensions/slack/src/monitor.test-helpers.ts
index 7f4c5cf3484..bd32cf26664 100644
--- a/extensions/slack/src/monitor.test-helpers.ts
+++ b/extensions/slack/src/monitor.test-helpers.ts
@@ -287,9 +287,6 @@ vi.mock("@slack/bolt", () => {
     command() {
       /* no-op */
     }
-    use() {
-      /* no-op */
-    }
     start = vi.fn().mockResolvedValue(undefined);
     stop = vi.fn().mockResolvedValue(undefined);
   }