diff --git a/packages/neovim/.mocharc.js b/packages/neovim/.mocharc.js
index c0193d41..cc091fa3 100644
--- a/packages/neovim/.mocharc.js
+++ b/packages/neovim/.mocharc.js
@@ -5,4 +5,4 @@ module.exports = {
   extension: ['ts'],
   spec: ['src/**/*.test.ts'],
   exit: true
-}
\ No newline at end of file
+}
diff --git a/packages/neovim/src/testSetup.ts b/packages/neovim/src/testSetup.ts
index 5679d9e3..e91efbfb 100644
--- a/packages/neovim/src/testSetup.ts
+++ b/packages/neovim/src/testSetup.ts
@@ -2,10 +2,10 @@
 import { startNvim, stopNvim } from './testUtil';
 
 export const mochaHooks = {
-  beforeAll: async () => {
+  beforeAll() {
     startNvim();
   },
-  afterAll: () => {
+  afterAll() {
     stopNvim();
   },
 };
diff --git a/packages/neovim/src/utils/buffered.ts b/packages/neovim/src/utils/buffered.ts
deleted file mode 100644
index b3a9362d..00000000
--- a/packages/neovim/src/utils/buffered.ts
+++ /dev/null
@@ -1,61 +0,0 @@
-import { Transform } from 'node:stream';
-
-const MIN_SIZE = 8 * 1024;
-
-export default class Buffered extends Transform {
-  private chunks: Buffer[] | null;
-
-  private timer: NodeJS.Timer | null;
-
-  constructor() {
-    super({
-      readableHighWaterMark: 10 * 1024 * 1024,
-      writableHighWaterMark: 10 * 1024 * 1024,
-    } as any);
-    this.chunks = null;
-    this.timer = null;
-  }
-
-  sendData() {
-    const { chunks } = this;
-    if (chunks) {
-      this.chunks = null;
-      const buf = Buffer.concat(chunks);
-      this.push(buf);
-    }
-  }
-
-  // eslint-disable-next-line consistent-return
-  override _transform(chunk: Buffer, _encoding: any, callback: any): void {
-    const { chunks, timer } = this;
-
-    if (timer) clearTimeout(timer);
-
-    if (chunk.length < MIN_SIZE) {
-      if (!chunks) return callback(null, chunk);
-      chunks.push(chunk);
-      this.sendData();
-      callback();
-    } else {
-      if (!chunks) {
-        this.chunks = [chunk];
-      } else {
-        chunks.push(chunk);
-      }
-
-      this.timer = setTimeout(this.sendData.bind(this), 20);
-      callback();
-    }
-  }
-
-  override _flush(callback: any) {
-    const { chunks } = this;
-    if (chunks) {
-      this.chunks = null;
-      const buf = Buffer.concat(chunks);
-      callback(null, buf);
-    } else {
-      callback();
-    }
-  }
-}