diff --git a/packages/redux-devtools-app/.eslintignore b/packages/redux-devtools-app/.eslintignore
deleted file mode 100644
index fba1d4c6..00000000
--- a/packages/redux-devtools-app/.eslintignore
+++ /dev/null
@@ -1,3 +0,0 @@
-build
-lib
-umd
diff --git a/packages/redux-devtools-app/.eslintrc.js b/packages/redux-devtools-app/.eslintrc.js
deleted file mode 100644
index 02b8bb24..00000000
--- a/packages/redux-devtools-app/.eslintrc.js
+++ /dev/null
@@ -1,37 +0,0 @@
-module.exports = {
-  extends: '../../eslintrc.js.base.json',
-  overrides: [
-    {
-      files: ['*.ts', '*.tsx'],
-      extends: '../../eslintrc.ts.react.base.json',
-      parserOptions: {
-        tsconfigRootDir: __dirname,
-        project: true,
-      },
-    },
-    {
-      files: ['demo/**/*.ts', 'demo/**/*.tsx'],
-      extends: '../../eslintrc.ts.react.base.json',
-      parserOptions: {
-        tsconfigRootDir: __dirname,
-        project: ['./tsconfig.demo.json'],
-      },
-    },
-    {
-      files: ['test/**/*.ts', 'test/**/*.tsx'],
-      extends: '../../eslintrc.ts.react.jest.base.json',
-      parserOptions: {
-        tsconfigRootDir: __dirname,
-        project: ['./tsconfig.test.json'],
-      },
-    },
-    {
-      files: ['webpack.config.ts', 'webpack.config.umd.ts'],
-      extends: '../../eslintrc.ts.base.json',
-      parserOptions: {
-        tsconfigRootDir: __dirname,
-        project: ['./tsconfig.webpack.json'],
-      },
-    },
-  ],
-};
diff --git a/packages/redux-devtools-app/buildUmd.mjs b/packages/redux-devtools-app/buildUmd.mjs
index 8c3db4a7..84d949d3 100644
--- a/packages/redux-devtools-app/buildUmd.mjs
+++ b/packages/redux-devtools-app/buildUmd.mjs
@@ -29,7 +29,7 @@ await esbuild.build({
 // https://github.com/evanw/esbuild/issues/337#issuecomment-954633403
 function importAsGlobals(mapping) {
   // https://stackoverflow.com/a/3561711/153718
-  const escRe = (s) => s.replace(/[-\/\\^$*+?.()|[\]{}]/g, '\\$&');
+  const escRe = (s) => s.replace(/[-/\\^$*+?.()|[\]{}]/g, '\\$&');
   const filter = new RegExp(
     Object.keys(mapping)
       .map((mod) => `^${escRe(mod)}$`)
diff --git a/packages/redux-devtools-app/eslint.config.mjs b/packages/redux-devtools-app/eslint.config.mjs
new file mode 100644
index 00000000..d8e59710
--- /dev/null
+++ b/packages/redux-devtools-app/eslint.config.mjs
@@ -0,0 +1,33 @@
+import eslintJs from '../../eslint.js.config.base.mjs';
+import eslintTsReact from '../../eslint.ts.react.config.base.mjs';
+import eslintTsReactJest from '../../eslint.ts.react.jest.config.base.mjs';
+import eslintTs from '../../eslint.ts.react.config.base.mjs';
+
+export default [
+  ...eslintJs,
+  ...eslintTsReact(import.meta.dirname),
+  ...eslintTsReact(
+    import.meta.dirname,
+    ['demo/**/*.ts', 'demo/**/*.tsx'],
+    ['./tsconfig.demo.json'],
+  ),
+  ...eslintTsReactJest(['test/**/*.ts', 'test/**/*.tsx'], import.meta.dirname, [
+    './tsconfig.test.json',
+  ]),
+  ...eslintTs(
+    import.meta.dirname,
+    ['webpack.config.ts', 'webpack.config.umd.ts'],
+    ['./tsconfig.webpack.json'],
+  ),
+  {
+    ignores: ['build', 'lib', 'umd'],
+  },
+  {
+    files: ['buildUmd.mjs'],
+    languageOptions: {
+      globals: {
+        process: true,
+      },
+    },
+  },
+];
diff --git a/packages/redux-devtools-app/package.json b/packages/redux-devtools-app/package.json
index 59479c5f..638d20cc 100644
--- a/packages/redux-devtools-app/package.json
+++ b/packages/redux-devtools-app/package.json
@@ -33,7 +33,7 @@
     "build:umd": "node buildUmd.mjs --dev",
     "build:umd:min": "node buildUmd.mjs",
     "clean": "rimraf build lib umd",
-    "lint": "eslint . --ext .ts,.tsx",
+    "lint": "eslint .",
     "type-check": "tsc --noEmit",
     "prepack": "pnpm run clean && pnpm run build",
     "prepublish": "pnpm run type-check && pnpm run lint"
@@ -69,16 +69,10 @@
     "@types/socketcluster-client": "^19.1.0",
     "@types/styled-components": "^5.1.34",
     "@types/webpack-env": "^1.18.5",
-    "@typescript-eslint/eslint-plugin": "^8.0.1",
-    "@typescript-eslint/parser": "^8.0.1",
     "babel-loader": "^9.1.3",
     "cross-env": "^7.0.3",
     "css-loader": "^7.1.2",
     "esbuild": "^0.23.0",
-    "eslint": "^8.57.0",
-    "eslint-config-prettier": "^9.1.0",
-    "eslint-plugin-react": "^7.35.0",
-    "eslint-plugin-react-hooks": "^4.6.2",
     "fork-ts-checker-webpack-plugin": "^9.0.2",
     "html-loader": "^5.1.0",
     "html-webpack-plugin": "^5.6.0",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index d2ad4c26..8b9d2e52 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -763,12 +763,6 @@ importers:
       '@types/webpack-env':
         specifier: ^1.18.5
         version: 1.18.5
-      '@typescript-eslint/eslint-plugin':
-        specifier: ^8.0.1
-        version: 8.0.1(@typescript-eslint/parser@8.0.1)(eslint@8.57.0)(typescript@5.5.4)
-      '@typescript-eslint/parser':
-        specifier: ^8.0.1
-        version: 8.0.1(eslint@8.57.0)(typescript@5.5.4)
       babel-loader:
         specifier: ^9.1.3
         version: 9.1.3(@babel/core@7.25.2)(webpack@5.93.0)
@@ -781,18 +775,6 @@ importers:
       esbuild:
         specifier: ^0.23.0
         version: 0.23.0
-      eslint:
-        specifier: ^8.57.0
-        version: 8.57.0
-      eslint-config-prettier:
-        specifier: ^9.1.0
-        version: 9.1.0(eslint@8.57.0)
-      eslint-plugin-react:
-        specifier: ^7.35.0
-        version: 7.35.0(eslint@8.57.0)
-      eslint-plugin-react-hooks:
-        specifier: ^4.6.2
-        version: 4.6.2(eslint@8.57.0)
       fork-ts-checker-webpack-plugin:
         specifier: ^9.0.2
         version: 9.0.2(typescript@5.5.4)(webpack@5.93.0)