diff --git a/std/fs/README.md b/std/fs/README.md
index 612b1393fd..dd1692524d 100644
--- a/std/fs/README.md
+++ b/std/fs/README.md
@@ -183,20 +183,6 @@ readFileStr("./target.dat", { encoding: "utf8" }); // returns a promise
 readFileStrSync("./target.dat", { encoding: "utf8" }); // string
 ```
 
-### writeFileStr
-
-Write the string to file.
-
-```ts
-import {
-  writeFileStr,
-  writeFileStrSync,
-} from "https://deno.land/std/fs/mod.ts";
-
-writeFileStr("./target.dat", "file content"); // returns a promise
-writeFileStrSync("./target.dat", "file content"); // void
-```
-
 ### expandGlob
 
 Expand the glob string from the specified `root` directory and yield each result
diff --git a/std/fs/write_file_str.ts b/std/fs/write_file_str.ts
deleted file mode 100644
index bf972f2040..0000000000
--- a/std/fs/write_file_str.ts
+++ /dev/null
@@ -1,28 +0,0 @@
-// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
-
-/**
- * Write the string to file synchronously.
- *
- * @param filename File to write
- * @param content The content write to file
- * @returns void
- */
-export function writeFileStrSync(filename: string, content: string): void {
-  const encoder = new TextEncoder();
-  Deno.writeFileSync(filename, encoder.encode(content));
-}
-
-/**
- * Write the string to file.
- *
- * @param filename File to write
- * @param content The content write to file
- * @returns Promise<void>
- */
-export async function writeFileStr(
-  filename: string,
-  content: string,
-): Promise<void> {
-  const encoder = new TextEncoder();
-  await Deno.writeFile(filename, encoder.encode(content));
-}
diff --git a/std/fs/write_file_str_test.ts b/std/fs/write_file_str_test.ts
deleted file mode 100644
index 42119c8fbb..0000000000
--- a/std/fs/write_file_str_test.ts
+++ /dev/null
@@ -1,37 +0,0 @@
-import { assertEquals } from "../testing/asserts.ts";
-import * as path from "../path/mod.ts";
-import { writeFileStr, writeFileStrSync } from "./write_file_str.ts";
-
-const testdataDir = path.resolve("fs", "testdata");
-
-Deno.test("testReadFileSync", function (): void {
-  const jsonFile = path.join(testdataDir, "write_file_1.json");
-  const content = "write_file_str_test";
-  writeFileStrSync(jsonFile, content);
-
-  // make sure file have been create.
-  Deno.statSync(jsonFile);
-
-  const result = new TextDecoder().decode(Deno.readFileSync(jsonFile));
-
-  // remove test file
-  Deno.removeSync(jsonFile);
-
-  assertEquals(content, result);
-});
-
-Deno.test("testReadFile", async function (): Promise<void> {
-  const jsonFile = path.join(testdataDir, "write_file_2.json");
-  const content = "write_file_str_test";
-  await writeFileStr(jsonFile, content);
-
-  // make sure file have been create.
-  await Deno.stat(jsonFile);
-
-  const result = new TextDecoder().decode(await Deno.readFile(jsonFile));
-
-  // remove test file
-  await Deno.remove(jsonFile);
-
-  assertEquals(content, result);
-});