diff --git a/packages/redux-devtools-rtk-query-monitor/demo/src/store.ts b/packages/redux-devtools-rtk-query-monitor/demo/src/store.ts
index 22519bb5..29e29aff 100644
--- a/packages/redux-devtools-rtk-query-monitor/demo/src/store.ts
+++ b/packages/redux-devtools-rtk-query-monitor/demo/src/store.ts
@@ -1,6 +1,5 @@
 import {
   configureStore,
-  Middleware,
   combineReducers,
   EnhancedStore,
 } from '@reduxjs/toolkit';
@@ -21,9 +20,6 @@ export const store: EnhancedStore<ReturnType<typeof reducer>> = configureStore({
   devTools,
   // adding the api middleware enables caching, invalidation, polling and other features of `rtk-query`
   middleware: (getDefaultMiddleware) =>
-    getDefaultMiddleware().concat([
-      pokemonApi.middleware,
-      postsApi.middleware,
-    ]) as Middleware[],
+    getDefaultMiddleware().concat([pokemonApi.middleware, postsApi.middleware]),
   enhancers: (devTools ? [] : [DevTools.instrument()]) as any,
 });