diff --git a/.github/workflows/test-types.yml b/.github/workflows/test-types.yml
index d54149a37..8a5825240 100644
--- a/.github/workflows/test-types.yml
+++ b/.github/workflows/test-types.yml
@@ -1,4 +1,4 @@
-name: Test (types)
+name: Tests (types)
 
 on:
   pull_request:
@@ -25,5 +25,6 @@ jobs:
       - name: Install dependencies
         run: |
           npm ci --ignore-scripts
-      - name: Check typings
-        run: npm run test:types
+      - name: Type tests
+        run: |
+          npm run test:types
diff --git a/package-lock.json b/package-lock.json
index f0aba3729..d2ea3ed87 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -18,7 +18,6 @@
 				"@biomejs/biome": "^2.0.0",
 				"@commitlint/cli": "^20.0.0",
 				"@commitlint/config-conventional": "^20.0.0",
-				"@tsconfig/node22": "^22.0.0",
 				"aws-sdk-client-mock": "^4.0.0",
 				"fast-check": "^4.0.0",
 				"husky": "^9.0.0",
@@ -5118,13 +5117,6 @@
 				"vite": "^6.3.0 || ^7.0.0"
 			}
 		},
-		"node_modules/@tsconfig/node22": {
-			"version": "22.0.5",
-			"resolved": "https://registry.npmjs.org/@tsconfig/node22/-/node22-22.0.5.tgz",
-			"integrity": "sha512-hLf2ld+sYN/BtOJjHUWOk568dvjFQkHnLNa6zce25GIH+vxKfvTgm3qpaH6ToF5tu/NN0IH66s+Bb5wElHrLcw==",
-			"dev": true,
-			"license": "MIT"
-		},
 		"node_modules/@types/aws-lambda": {
 			"version": "8.10.161",
 			"resolved": "https://registry.npmjs.org/@types/aws-lambda/-/aws-lambda-8.10.161.tgz",
diff --git a/package.json b/package.json
index e8ded8116..d6c0452c1 100644
--- a/package.json
+++ b/package.json
@@ -70,7 +70,6 @@
 		"@biomejs/biome": "^2.0.0",
 		"@commitlint/cli": "^20.0.0",
 		"@commitlint/config-conventional": "^20.0.0",
-		"@tsconfig/node22": "^22.0.0",
 		"aws-sdk-client-mock": "^4.0.0",
 		"fast-check": "^4.0.0",
 		"husky": "^9.0.0",
diff --git a/packages/http-content-encoding/index.tst.ts b/packages/http-content-encoding/index.tst.ts
index 295e54a60..3f8fbc993 100644
--- a/packages/http-content-encoding/index.tst.ts
+++ b/packages/http-content-encoding/index.tst.ts
@@ -1,3 +1,5 @@
+/// <reference types="node" />
+
 import type middy from "@middy/core";
 import { expect, test } from "tstyche";
 import httpContentEncodingMiddleware from "./index.js";
diff --git a/packages/util/index.tst.ts b/packages/util/index.tst.ts
index 5086702b1..1ac48fdda 100644
--- a/packages/util/index.tst.ts
+++ b/packages/util/index.tst.ts
@@ -349,5 +349,5 @@ test("lambdaContext", () => {
 
 test("httpErrorCodes", () => {
 	expect(util.httpErrorCodes).type.toBe<Record<number, string>>();
-	expect(util.httpErrorCodes[404]).type.toBe<string>();
+	expect(util.httpErrorCodes[404]).type.toBe<string | undefined>();
 });
diff --git a/tsconfig.json b/tsconfig.json
deleted file mode 100644
index 406666fbf..000000000
--- a/tsconfig.json
+++ /dev/null
@@ -1,3 +0,0 @@
-{
-	"extends": "@tsconfig/node22"
-}
diff --git a/tstyche.config.json b/tstyche.config.json
deleted file mode 100644
index cc2286f3c..000000000
--- a/tstyche.config.json
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-	"$schema": "https://tstyche.org/schemas/config.json",
-	"testFileMatch": ["packages/*/*.tst.ts"]
-}