diff --git a/waspc/data/Generator/templates/react-app/src/queryClient.js b/waspc/data/Generator/templates/react-app/src/queryClient.js
deleted file mode 100644
index f6ecda3124..0000000000
--- a/waspc/data/Generator/templates/react-app/src/queryClient.js
+++ /dev/null
@@ -1,23 +0,0 @@
-import { QueryClient } from '@tanstack/react-query'
-
-const defaultQueryClientConfig = {}
-
-let queryClientConfig, resolveQueryClientInitialized, isQueryClientInitialized
-
-export const queryClientInitialized = new Promise(resolve => {
-  resolveQueryClientInitialized = resolve
-});
-
-export function configureQueryClient(config) {
-  if (isQueryClientInitialized) {
-    throw new Error("Attempted to configure the QueryClient after initialization")
-  }
-
-  queryClientConfig = config
-}
-
-export function initializeQueryClient() {
-  const queryClient = new QueryClient(queryClientConfig ?? defaultQueryClientConfig)
-  isQueryClientInitialized = true;
-  resolveQueryClientInitialized(queryClient)
-}
diff --git a/waspc/src/Wasp/Generator/WebAppGenerator.hs b/waspc/src/Wasp/Generator/WebAppGenerator.hs
index 5e964bf6d0..18a24ef058 100644
--- a/waspc/src/Wasp/Generator/WebAppGenerator.hs
+++ b/waspc/src/Wasp/Generator/WebAppGenerator.hs
@@ -197,7 +197,6 @@ genSrcDir :: AppSpec -> Generator [FileDraft]
 genSrcDir spec =
   sequence
     [ genFileCopy [relfile|logo.png|],
-      genFileCopy [relfile|queryClient.js|],
       genFileCopy [relfile|utils.js|],
       genFileCopy [relfile|vite-env.d.ts|],
       getIndexTs spec