diff --git a/examples/with-mobx/store.js b/examples/with-mobx/store.js
index 5d171ce951d775..dbe98c46feb954 100644
--- a/examples/with-mobx/store.js
+++ b/examples/with-mobx/store.js
@@ -38,7 +38,7 @@ class Store {
   }
 }
 
-export function initializeStore(initialData = null) {
+function initializeStore(initialData = null) {
   const _store = store ?? new Store()
 
   // If your page has Next.js data fetching methods that use a Mobx store, it will