diff --git a/packages/web-util/src/stories.tsx b/packages/web-util/src/stories.tsx
index 3f90be13a..4edbf83b5 100644
--- a/packages/web-util/src/stories.tsx
+++ b/packages/web-util/src/stories.tsx
@@ -19,7 +19,6 @@
  * @author Sebastian Javier Marchano (sebasjm)
  */
 import { setupI18n } from "@gnu-taler/taler-util";
-import e from "express";
 import {
   ComponentChild,
   ComponentChildren,
@@ -32,6 +31,7 @@ import {
   VNode,
 } from "preact";
 import { useEffect, useErrorBoundary, useState } from "preact/hooks";
+import { ExampleItemSetup } from "./tests/hook.js";
 
 const Page: FunctionalComponent = ({ children }): VNode => {
   return (
@@ -373,12 +373,6 @@ export interface ComponentItem<Props extends object = {}> {
   examples: ExampleItem<Props>[];
 }
 
-export type ExampleItemSetup<Props extends object = {}> = {
-  component: FunctionalComponent<Props>;
-  props: Props;
-  contextProps: object;
-};
-
 export interface ExampleItem<Props extends object = {}> {
   group: string;
   component: string;
diff --git a/packages/web-util/src/tests/hook.ts b/packages/web-util/src/tests/hook.ts
index 58ac7d8c0..59f17ba8d 100644
--- a/packages/web-util/src/tests/hook.ts
+++ b/packages/web-util/src/tests/hook.ts
@@ -24,7 +24,6 @@ import {
   render as renderIntoDom,
 } from "preact";
 import { render as renderToString } from "preact-render-to-string";
-import { ExampleItem, ExampleItemSetup } from "../stories.js";
 
 // This library is expected to be included in testing environment only
 // When doing tests we want the requestAnimationFrame to be as fast as possible.
@@ -33,6 +32,12 @@ options.requestAnimationFrame = (fn: () => void) => {
   return fn();
 };
 
+export type ExampleItemSetup<Props extends object = {}> = {
+  component: FunctionalComponent<Props>;
+  props: Props;
+  contextProps: object;
+};
+
 /**
  *
  * @param Component component to be tested
@@ -113,10 +118,8 @@ function renderHook(
 type RecursiveState<S> = S | (() => RecursiveState<S>);
 
 interface Mounted<T> {
-  // unmount: () => void;
   pullLastResultOrThrow: () => Exclude<T, VoidFunction>;
   assertNoPendingUpdate: () => Promise<boolean>;
-  // waitNextUpdate: (s?: string) => Promise<void>;
   waitForStateUpdate: () => Promise<boolean>;
 }
 
diff --git a/packages/web-util/tsconfig.json b/packages/web-util/tsconfig.json
index e2ac248aa..fc558e59b 100644
--- a/packages/web-util/tsconfig.json
+++ b/packages/web-util/tsconfig.json
@@ -1,6 +1,8 @@
 {
   "compilerOptions": {
     "composite": true,
+    "declaration": true,
+    "declarationMap": false,
     "target": "ES6",
     "module": "ESNext",
     "jsx": "react",