diff --git a/.devcontainer/Dockerfile b/.devcontainer/Dockerfile
deleted file mode 100644
index 8ea34be..0000000
--- a/.devcontainer/Dockerfile
+++ /dev/null
@@ -1,23 +0,0 @@
-# syntax=docker/dockerfile:1
-FROM debian:bookworm-slim AS stainless
-
-RUN apt-get update && apt-get install -y \
-  nodejs \
-  npm \
-  yarnpkg \
-  && apt-get clean autoclean
-
-# Ensure UTF-8 encoding
-ENV LANG=C.UTF-8
-ENV LC_ALL=C.UTF-8
-
-# Yarn
-RUN ln -sf /usr/bin/yarnpkg /usr/bin/yarn
-
-WORKDIR /workspace
-
-COPY package.json yarn.lock /workspace/
-
-RUN yarn install
-
-COPY . /workspace
diff --git a/.eslintrc.js b/.eslintrc.js
deleted file mode 100644
index 60f0e7a..0000000
--- a/.eslintrc.js
+++ /dev/null
@@ -1,10 +0,0 @@
-module.exports = {
-  parser: '@typescript-eslint/parser',
-  plugins: ['@typescript-eslint', 'unused-imports', 'prettier'],
-  rules: {
-    'no-unused-vars': 'off',
-    'prettier/prettier': 'error',
-    'unused-imports/no-unused-imports': 'error',
-  },
-  root: true,
-};
diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 5e39b94..513fac0 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.18.0"
+  ".": "0.18.1"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9132374..175694e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## 0.18.1 (2025-12-05)
+
+Full Changelog: [v0.18.0...v0.18.1](https://github.com/perplexityai/perplexity-node/compare/v0.18.0...v0.18.1)
+
+### Chores
+
+* **internal:** codegen related update ([fac824f](https://github.com/perplexityai/perplexity-node/commit/fac824f235f65f6b6fbb4ca4ba72c02b17394f28))
+
 ## 0.18.0 (2025-12-05)
 
 Full Changelog: [v0.17.0...v0.18.0](https://github.com/perplexityai/perplexity-node/compare/v0.17.0...v0.18.0)
diff --git a/jest.setup.ts b/jest.setup.ts
deleted file mode 100644
index e69de29..0000000
diff --git a/package.json b/package.json
index 313059b..66662cd 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@perplexity-ai/perplexity_ai",
-  "version": "0.18.0",
+  "version": "0.18.1",
   "description": "The official TypeScript library for the Perplexity API",
   "author": "Perplexity <api@perplexity.ai>",
   "types": "dist/index.d.ts",
diff --git a/src/internal/polyfill/file.node.d.ts b/src/internal/polyfill/file.node.d.ts
deleted file mode 100644
index c95276d..0000000
--- a/src/internal/polyfill/file.node.d.ts
+++ /dev/null
@@ -1,14 +0,0 @@
-/**
- * This file polyfills the global `File` object for you if it's not already defined
- * when running on Node.js
- *
- * This is only needed on Node.js v18 & v19. Newer versions already define `File`
- * as a global.
- */
-
-// @ts-ignore
-type nodeBuffer = typeof import('node:buffer');
-declare const File: typeof globalThis extends { File: unknown } ? (typeof globalThis)['File']
-: nodeBuffer extends { File: unknown } ? nodeBuffer['File']
-: any;
-export {};
diff --git a/src/internal/polyfill/file.node.mjs b/src/internal/polyfill/file.node.mjs
deleted file mode 100644
index 520dcb8..0000000
--- a/src/internal/polyfill/file.node.mjs
+++ /dev/null
@@ -1,9 +0,0 @@
-/**
- * This file polyfills the global `File` object for you if it's not already defined
- * when running on Node.js
- *
- * This is only needed on Node.js v18 & v19. Newer versions already define `File`
- * as a global.
- */
-
-import './file.node.js';
diff --git a/src/version.ts b/src/version.ts
index 74131f9..53b4ff4 100644
--- a/src/version.ts
+++ b/src/version.ts
@@ -1 +1 @@
-export const VERSION = '0.18.0'; // x-release-please-version
+export const VERSION = '0.18.1'; // x-release-please-version
diff --git a/tests/responses.test.ts b/tests/responses.test.ts
deleted file mode 100644
index ee1cd34..0000000
--- a/tests/responses.test.ts
+++ /dev/null
@@ -1,24 +0,0 @@
-import { createResponseHeaders } from '@perplexity-ai/perplexity_ai/internal/headers';
-
-describe('response parsing', () => {
-  // TODO: test unicode characters
-  test('headers are case agnostic', async () => {
-    const headers = createResponseHeaders(new Headers({ 'Content-Type': 'foo', Accept: 'text/plain' }));
-    expect(headers['content-type']).toEqual('foo');
-    expect(headers['Content-type']).toEqual('foo');
-    expect(headers['Content-Type']).toEqual('foo');
-    expect(headers['accept']).toEqual('text/plain');
-    expect(headers['Accept']).toEqual('text/plain');
-    expect(headers['Hello-World']).toBeUndefined();
-  });
-
-  test('duplicate headers are concatenated', () => {
-    const headers = createResponseHeaders(
-      new Headers([
-        ['Content-Type', 'text/xml'],
-        ['Content-Type', 'application/json'],
-      ]),
-    );
-    expect(headers['content-type']).toBe('text/xml, application/json');
-  });
-});