diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 944438dc..ec1323a9 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -54,8 +54,7 @@ jobs:
         with:
           bun-version: latest
       - run: bun install
-      - run: bun cli/bun.ts
-      - run: bun test bun --coverage --coverage-reporter=lcov
+      - run: bun test src --coverage --coverage-reporter=lcov
       - uses: codecov/codecov-action@v5
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
diff --git a/cli/bun.ts b/cli/bun.ts
deleted file mode 100644
index e79f6a59..00000000
--- a/cli/bun.ts
+++ /dev/null
@@ -1,41 +0,0 @@
-import * as fs from "node:fs/promises";
-import { URL } from "node:url";
-import ts from "typescript";
-import { listFiles, listTsSourceStringLiterals } from "./util.ts";
-
-const srcDir = new URL("../src/", import.meta.url);
-const bunDir = new URL("../bun/", import.meta.url);
-
-await fs.mkdir(bunDir, { recursive: true });
-
-for await (const fileUrl of listFiles(bunDir)) {
-	await fs.unlink(fileUrl);
-}
-
-for await (const fileUrl of listFiles(srcDir)) {
-	const filePath = fileUrl.pathname.slice(srcDir.pathname.length);
-	if (filePath.endsWith(".ts")) {
-		let code = await fs.readFile(fileUrl, "utf-8");
-		const tsSource = ts.createSourceFile(
-			filePath,
-			code,
-			ts.ScriptTarget.ESNext,
-		);
-		const replaceList: Array<ts.StringLiteral> = [];
-		for (const node of listTsSourceStringLiterals(tsSource)) {
-			const importFromText = node.text;
-			if (importFromText === "node:test") {
-				replaceList.push(node);
-			}
-		}
-		replaceList.sort((n1, n2) => n2.getFullStart() - n1.getFullStart());
-		for (const node of replaceList) {
-			const start = code.indexOf(node.text, node.getFullStart());
-			const end = start + node.text.length;
-			code = `${code.slice(0, start)}bun:test${code.slice(end)}`;
-		}
-		const destUrl = new URL(filePath, bunDir);
-		await fs.mkdir(new URL(".", destUrl), { recursive: true });
-		await fs.writeFile(destUrl, code);
-	}
-}
diff --git a/package.json b/package.json
index ae33af78..ff634e60 100644
--- a/package.json
+++ b/package.json
@@ -32,10 +32,6 @@
 		"test:type": "tsc",
 		"test:unit": "node --test \"src/**/*.test.ts\"",
 		"test:example": "node --test example.test.ts",
-		"test-bun": "run-s test-bun:*",
-		"test-bun:setup": "bun cli/bun.ts",
-		"test-bun:test": "bun test bun",
-		"test-deno": "deno test --allow-read src",
 		"lint": "biome check",
 		"build": "run-s build:*",
 		"build:index": "node cli/generate-index.ts",