diff --git a/.github/CONTRIBUTING.md b/.github/CONTRIBUTING.md
index 23048a95..59fff35a 100644
--- a/.github/CONTRIBUTING.md
+++ b/.github/CONTRIBUTING.md
@@ -55,10 +55,6 @@ If you're using tools that understand `.python-version` files like [*pyenv*](htt
 
 ---
 
-For our [Pyright](https://github.com/microsoft/pyright) tests, you also need working [Node.js](https://nodejs.org/) and [*npm*](https://www.npmjs.com) installations.
-
----
-
 Then, [fork](https://github.com/python-attrs/attrs/fork) the repository on GitHub.
 
 Clone the fork to your computer:
diff --git a/.gitignore b/.gitignore
index 51605c71..b58afd70 100644
--- a/.gitignore
+++ b/.gitignore
@@ -20,4 +20,3 @@ attrs.docset
 attrs.tgz
 Justfile
 t.py
-node_modules
diff --git a/package-lock.json b/package-lock.json
deleted file mode 100644
index b801531e..00000000
--- a/package-lock.json
+++ /dev/null
@@ -1,40 +0,0 @@
-{
-  "name": "attrs",
-  "lockfileVersion": 3,
-  "requires": true,
-  "packages": {
-    "": {
-      "dependencies": {
-        "pyright": "^1.1.323"
-      }
-    },
-    "node_modules/fsevents": {
-      "version": "2.3.2",
-      "resolved": "https://registry.npmjs.org/fsevents/-/fsevents-2.3.2.tgz",
-      "integrity": "sha512-xiqMQR4xAeHTuB9uWm+fFRcIOgKBMiOBP+eXiyT7jsgVCq1bkVygt00oASowB7EdtpOHaaPgKt812P9ab+DDKA==",
-      "hasInstallScript": true,
-      "optional": true,
-      "os": [
-        "darwin"
-      ],
-      "engines": {
-        "node": "^8.16.0 || ^10.6.0 || >=11.0.0"
-      }
-    },
-    "node_modules/pyright": {
-      "version": "1.1.323",
-      "resolved": "https://registry.npmjs.org/pyright/-/pyright-1.1.323.tgz",
-      "integrity": "sha512-H6CnGjaL/2lJJPFcV4G0zFP7s7jJPzVsPhQnbnS9m6JWJpb7OssX7y94icPpnZs4574oHergGH2zLvF8OZp5ag==",
-      "bin": {
-        "pyright": "index.js",
-        "pyright-langserver": "langserver.index.js"
-      },
-      "engines": {
-        "node": ">=12.0.0"
-      },
-      "optionalDependencies": {
-        "fsevents": "~2.3.2"
-      }
-    }
-  }
-}
diff --git a/package.json b/package.json
deleted file mode 100644
index 15edd185..00000000
--- a/package.json
+++ /dev/null
@@ -1,5 +0,0 @@
-{
-  "dependencies": {
-    "pyright": "^1.1.323"
-  }
-}