diff --git a/README.md b/README.md
index 29331c5..2397482 100644
--- a/README.md
+++ b/README.md
@@ -44,7 +44,7 @@ All React utilities, components and hooks are 100% SSR ready.
 import { useMatchMedia } from '@krutoo/utils/react';
 
 function App() {
-  const isMobile = useMatchMedia('(max-width: 1024px)');
+  const mobile = useMatchMedia('(max-width: 1024px)');
 
   return <>...</>;
 }
@@ -61,22 +61,12 @@ import * as utils from '@krutoo/utils/rspack';
 export default {
   entry: './src/index.ts',
   plugins: [
-    // typescript support (with alias from "paths" of tsconfig and `resolve.alias` extending)
     utils.pluginTypeScript(),
-
-    // css and css-modules support ("css-loader" must be added to your project)
     utils.pluginCSS(),
-
-    // html file will be added to bundle
-    utils.pluginHTML({ template: './src/index.html' }),
-
-    // import file source code by `?raw` query or `with { type: 'text' }`
+    utils.pluginHTML(),
     utils.pluginRawImport(),
-
-    // "public" folder will be copied to bundle
     utils.pluginPublicFiles(),
-
-    // ...and other
+    // ...and more
   ],
 };
 ```
@@ -102,8 +92,6 @@ Repo description and how to work with
 
 Test for module `{path}/{module}.ts` should be placed in `{path}/__test__/{module}.test.ts`.
 
-By default test environment is just Node.js environment.
-
 For write tests with simulating browser environment you need to name test file like `*.web.test.ts`.
 
 ### Exports convention
diff --git a/docs/docs/dom/find-ancestor.mdx b/docs/docs/dom/find-ancestor.mdx
deleted file mode 100644
index 2817718..0000000
--- a/docs/docs/dom/find-ancestor.mdx
+++ /dev/null
@@ -1,27 +0,0 @@
-import { Callout } from '#components/callout/callout';
-
-export const meta = {
-  title: 'findAncestor',
-  category: 'DOM',
-  menuPriority: 90,
-};
-
-# `findAncestor`
-
-<Callout intent='danger'>
-  <Callout.Heading>Deprecated</Callout.Heading>
-  <Callout.Main>
-    Use [findClosest](./?path=/dom/find-closest) with `element.parentElement` instead.
-  </Callout.Main>
-</Callout>
-
-Finds closest ancestor element that matches condition.
-
-```ts
-import { findAncestor } from '@krutoo/utils';
-
-const element = document.querySelector('#something');
-
-// element or null returns
-const closestTarget = findAncestor(element, parent => parent.classList.contains('target'));
-```
diff --git a/src/dom/__test__/find-ancestor.web.test.ts b/src/dom/__test__/find-ancestor.web.test.ts
deleted file mode 100644
index 3be7ad0..0000000
--- a/src/dom/__test__/find-ancestor.web.test.ts
+++ /dev/null
@@ -1,29 +0,0 @@
-import { describe, test } from 'node:test';
-import { expect } from '@std/expect';
-import { findAncestor } from '../find-ancestor.ts';
-
-describe('findAncestor', () => {
-  test('should find ancestor correctly', () => {
-    const main = document.createElement('main');
-    const article = document.createElement('article');
-    const div = document.createElement('div');
-    const p = document.createElement('p');
-    const span = document.createElement('span');
-
-    article.role = 'custom';
-    div.id = 'block';
-
-    document.body.append(main);
-    main.append(article);
-    article.append(div);
-    div.append(p);
-    p.append(span);
-
-    expect(findAncestor(span, el => el.id === 'block')).toBe(div);
-    expect(findAncestor(span, el => el.role === 'custom')).toBe(article);
-    expect(findAncestor(span, el => el.tagName === 'MAIN')).toBe(main);
-
-    expect(findAncestor(span, el => el.id === 'hello')).toBe(null);
-    expect(findAncestor(span, el => el.role === 'foobar')).toBe(null);
-  });
-});
diff --git a/src/dom/find-ancestor.ts b/src/dom/find-ancestor.ts
deleted file mode 100644
index 51627eb..0000000
--- a/src/dom/find-ancestor.ts
+++ /dev/null
@@ -1,23 +0,0 @@
-/**
- * Finds closest ancestor element that matches condition.
- * @param element Target element to find ancestor.
- * @param predicate Function that check ancestor.
- * @returns Element or null.
- * @deprecated Use `findClosest(element.parentElement)` instead.
- */
-export function findAncestor(
-  element: Element,
-  predicate: (element: HTMLElement) => boolean,
-): HTMLElement | null {
-  let parent: HTMLElement | null = element.parentElement;
-
-  while (parent) {
-    if (predicate(parent)) {
-      return parent;
-    }
-
-    parent = parent.parentElement;
-  }
-
-  return parent;
-}
diff --git a/src/dom/mod.ts b/src/dom/mod.ts
index 5eac5f0..7b52955 100644
--- a/src/dom/mod.ts
+++ b/src/dom/mod.ts
@@ -1,4 +1,3 @@
 export * from './find-closest.ts';
-export * from './find-ancestor.ts';
 export * from './get-positioned-parent-offset.ts';
 export * from './is-scrollable.ts';
diff --git a/src/store/create-store.ts b/src/store/create-store.ts
index 88bab70..068079c 100644
--- a/src/store/create-store.ts
+++ b/src/store/create-store.ts
@@ -1,26 +1,26 @@
 import type { Store } from './types.ts';
 
 /**
- * Creates "nano store".
+ * Creates "store" - subscribable state container.
  * @param initialValue Initial value.
- * @returns Nano store.
+ * @returns Store.
  */
 export function createStore<T>(initialValue: T): Store<T> {
   const listeners = new Set<VoidFunction>();
 
-  let currentValue: T = initialValue;
+  let value: T = initialValue;
 
   return {
     get(): T {
-      return currentValue;
+      return value;
     },
 
     set(nextValue: T): void {
-      if (Object.is(currentValue, nextValue)) {
+      if (Object.is(value, nextValue)) {
         return;
       }
 
-      currentValue = nextValue;
+      value = nextValue;
 
       for (const listener of listeners) {
         listener();
diff --git a/src/store/types.ts b/src/store/types.ts
index 4e056ea..b000151 100644
--- a/src/store/types.ts
+++ b/src/store/types.ts
@@ -22,6 +22,6 @@ export interface Subscribable {
 }
 
 /**
- * "Nano store" - subscribable state container.
+ * "Store" - subscribable state container.
  */
 export interface Store<T> extends Subscribable, StateContainer<T> {}
diff --git a/tsconfig.json b/tsconfig.json
index 045a4b2..34eabf8 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -11,6 +11,7 @@
     "forceConsistentCasingInFileNames": true,
     "skipLibCheck": true,
     "isolatedModules": true,
+    "noUncheckedSideEffectImports": true,
     "noUnusedLocals": true,
     "noUncheckedIndexedAccess": true,
     "noImplicitOverride": true,