9 files changed, 264 insertions, 310 deletions

diff --git a/cli/diagnostics.rs b/cli/diagnostics.rs
index 0fd8a0c5c..69ff8ae25 100644
--- a/cli/diagnostics.rs
+++ b/cli/diagnostics.rs
@@ -14,13 +14,11 @@ use std::fmt;
 const MAX_SOURCE_LINE_LENGTH: usize = 150;
 
 const UNSTABLE_DENO_PROPS: &[&str] = &[
-  "BenchDefinition",
   "CreateHttpClientOptions",
   "DatagramConn",
   "HttpClient",
   "UnixConnectOptions",
   "UnixListenOptions",
-  "bench",
   "connect",
   "createHttpClient",
   "kill",
diff --git a/cli/dts/lib.deno.ns.d.ts b/cli/dts/lib.deno.ns.d.ts
index 623f0d848..99b2d828e 100644
--- a/cli/dts/lib.deno.ns.d.ts
+++ b/cli/dts/lib.deno.ns.d.ts
@@ -931,6 +931,242 @@ declare namespace Deno {
     fn: (t: TestContext) => void | Promise<void>,
   ): void;
 
+  /**
+   * The interface for defining a benchmark test using {@linkcode Deno.bench}.
+   *
+   * @category Testing
+   */
+  export interface BenchDefinition {
+    /** The test function which will be benchmarked. */
+    fn: () => void | Promise<void>;
+    /** The name of the test, which will be used in displaying the results. */
+    name: string;
+    /** If truthy, the benchmark test will be ignored/skipped. */
+    ignore?: boolean;
+    /** Group name for the benchmark.
+     *
+     * Grouped benchmarks produce a group time summary, where the difference
+     * in performance between each test of the group is compared. */
+    group?: string;
+    /** Benchmark should be used as the baseline for other benchmarks.
+     *
+     * If there are multiple baselines in a group, the first one is used as the
+     * baseline. */
+    baseline?: boolean;
+    /** If at least one bench has `only` set to true, only run benches that have
+     * `only` set to `true` and fail the bench suite. */
+    only?: boolean;
+    /** Ensure the bench case does not prematurely cause the process to exit,
+     * for example via a call to {@linkcode Deno.exit}. Defaults to `true`. */
+    sanitizeExit?: boolean;
+    /** Specifies the permissions that should be used to run the bench.
+     *
+     * Set this to `"inherit"` to keep the calling thread's permissions.
+     *
+     * Set this to `"none"` to revoke all permissions.
+     *
+     * Defaults to "inherit".
+     */
+    permissions?: Deno.PermissionOptions;
+  }
+
+  /**
+   * Register a benchmark test which will be run when `deno bench` is used on
+   * the command line and the containing module looks like a bench module.
+   *
+   * If the test function (`fn`) returns a promise or is async, the test runner
+   * will await resolution to consider the test complete.
+   *
+   * ```ts
+   * import { assertEquals } from "https://deno.land/std/testing/asserts.ts";
+   *
+   * Deno.bench({
+   *   name: "example test",
+   *   fn() {
+   *     assertEquals("world", "world");
+   *   },
+   * });
+   *
+   * Deno.bench({
+   *   name: "example ignored test",
+   *   ignore: Deno.build.os === "windows",
+   *   fn() {
+   *     // This test is ignored only on Windows machines
+   *   },
+   * });
+   *
+   * Deno.bench({
+   *   name: "example async test",
+   *   async fn() {
+   *     const decoder = new TextDecoder("utf-8");
+   *     const data = await Deno.readFile("hello_world.txt");
+   *     assertEquals(decoder.decode(data), "Hello world");
+   *   }
+   * });
+   * ```
+   *
+   * @category Testing
+   */
+  export function bench(t: BenchDefinition): void;
+
+  /**
+   * Register a benchmark test which will be run when `deno bench` is used on
+   * the command line and the containing module looks like a bench module.
+   *
+   * If the test function (`fn`) returns a promise or is async, the test runner
+   * will await resolution to consider the test complete.
+   *
+   * ```ts
+   * import { assertEquals } from "https://deno.land/std/testing/asserts.ts";
+   *
+   * Deno.bench("My test description", () => {
+   *   assertEquals("hello", "hello");
+   * });
+   *
+   * Deno.bench("My async test description", async () => {
+   *   const decoder = new TextDecoder("utf-8");
+   *   const data = await Deno.readFile("hello_world.txt");
+   *   assertEquals(decoder.decode(data), "Hello world");
+   * });
+   * ```
+   *
+   * @category Testing
+   */
+  export function bench(
+    name: string,
+    fn: () => void | Promise<void>,
+  ): void;
+
+  /**
+   * Register a benchmark test which will be run when `deno bench` is used on
+   * the command line and the containing module looks like a bench module.
+   *
+   * If the test function (`fn`) returns a promise or is async, the test runner
+   * will await resolution to consider the test complete.
+   *
+   * ```ts
+   * import { assertEquals } from "https://deno.land/std/testing/asserts.ts";
+   *
+   * Deno.bench(function myTestName() {
+   *   assertEquals("hello", "hello");
+   * });
+   *
+   * Deno.bench(async function myOtherTestName() {
+   *   const decoder = new TextDecoder("utf-8");
+   *   const data = await Deno.readFile("hello_world.txt");
+   *   assertEquals(decoder.decode(data), "Hello world");
+   * });
+   * ```
+   *
+   * @category Testing
+   */
+  export function bench(fn: () => void | Promise<void>): void;
+
+  /**
+   * Register a benchmark test which will be run when `deno bench` is used on
+   * the command line and the containing module looks like a bench module.
+   *
+   * If the test function (`fn`) returns a promise or is async, the test runner
+   * will await resolution to consider the test complete.
+   *
+   * ```ts
+   * import { assertEquals } from "https://deno.land/std/testing/asserts.ts";
+   *
+   * Deno.bench(
+   *   "My test description",
+   *   { permissions: { read: true } },
+   *   () => {
+   *    assertEquals("hello", "hello");
+   *   }
+   * );
+   *
+   * Deno.bench(
+   *   "My async test description",
+   *   { permissions: { read: false } },
+   *   async () => {
+   *     const decoder = new TextDecoder("utf-8");
+   *     const data = await Deno.readFile("hello_world.txt");
+   *     assertEquals(decoder.decode(data), "Hello world");
+   *   }
+   * );
+   * ```
+   *
+   * @category Testing
+   */
+  export function bench(
+    name: string,
+    options: Omit<BenchDefinition, "fn" | "name">,
+    fn: () => void | Promise<void>,
+  ): void;
+
+  /**
+   * Register a benchmark test which will be run when `deno bench` is used on
+   * the command line and the containing module looks like a bench module.
+   *
+   * If the test function (`fn`) returns a promise or is async, the test runner
+   * will await resolution to consider the test complete.
+   *
+   * ```ts
+   * import { assertEquals } from "https://deno.land/std/testing/asserts.ts";
+   *
+   * Deno.bench(
+   *   { name: "My test description", permissions: { read: true } },
+   *   () => {
+   *     assertEquals("hello", "hello");
+   *   }
+   * );
+   *
+   * Deno.bench(
+   *   { name: "My async test description", permissions: { read: false } },
+   *   async () => {
+   *     const decoder = new TextDecoder("utf-8");
+   *     const data = await Deno.readFile("hello_world.txt");
+   *     assertEquals(decoder.decode(data), "Hello world");
+   *   }
+   * );
+   * ```
+   *
+   * @category Testing
+   */
+  export function bench(
+    options: Omit<BenchDefinition, "fn">,
+    fn: () => void | Promise<void>,
+  ): void;
+
+  /**
+   * Register a benchmark test which will be run when `deno bench` is used on
+   * the command line and the containing module looks like a bench module.
+   *
+   * If the test function (`fn`) returns a promise or is async, the test runner
+   * will await resolution to consider the test complete.
+   *
+   * ```ts
+   * import { assertEquals } from "https://deno.land/std/testing/asserts.ts";
+   *
+   * Deno.bench(
+   *   { permissions: { read: true } },
+   *   function myTestName() {
+   *     assertEquals("hello", "hello");
+   *   }
+   * );
+   *
+   * Deno.bench(
+   *   { permissions: { read: false } },
+   *   async function myOtherTestName() {
+   *     const decoder = new TextDecoder("utf-8");
+   *     const data = await Deno.readFile("hello_world.txt");
+   *     assertEquals(decoder.decode(data), "Hello world");
+   *   }
+   * );
+   * ```
+   *
+   * @category Testing
+   */
+  export function bench(
+    options: Omit<BenchDefinition, "fn" | "name">,
+    fn: () => void | Promise<void>,
+  ): void;
+
   /** Exit the Deno process with optional exit code.
    *
    * If no exit code is supplied then Deno will exit with return code of `0`.
diff --git a/cli/dts/lib.deno.unstable.d.ts b/cli/dts/lib.deno.unstable.d.ts
index ad3176804..f19356393 100644
--- a/cli/dts/lib.deno.unstable.d.ts
+++ b/cli/dts/lib.deno.unstable.d.ts
@@ -8,249 +8,6 @@ declare namespace Deno {
 
   /** **UNSTABLE**: New API, yet to be vetted.
    *
-   * The interface for defining a benchmark test using {@linkcode Deno.bench}.
-   *
-   * @category Testing
-   */
-  export interface BenchDefinition {
-    /** The test function which will be benchmarked. */
-    fn: () => void | Promise<void>;
-    /** The name of the test, which will be used in displaying the results. */
-    name: string;
-    /** If truthy, the benchmark test will be ignored/skipped. */
-    ignore?: boolean;
-    /** Group name for the benchmark.
-     *
-     * Grouped benchmarks produce a group time summary, where the difference
-     * in performance between each test of the group is compared. */
-    group?: string;
-    /** Benchmark should be used as the baseline for other benchmarks.
-     *
-     * If there are multiple baselines in a group, the first one is used as the
-     * baseline. */
-    baseline?: boolean;
-    /** If at least one bench has `only` set to true, only run benches that have
-     * `only` set to `true` and fail the bench suite. */
-    only?: boolean;
-    /** Ensure the bench case does not prematurely cause the process to exit,
-     * for example via a call to {@linkcode Deno.exit}. Defaults to `true`. */
-    sanitizeExit?: boolean;
-    /** Specifies the permissions that should be used to run the bench.
-     *
-     * Set this to `"inherit"` to keep the calling thread's permissions.
-     *
-     * Set this to `"none"` to revoke all permissions.
-     *
-     * Defaults to "inherit".
-     */
-    permissions?: Deno.PermissionOptions;
-  }
-
-  /** **UNSTABLE**: New API, yet to be vetted.
-   *
-   * Register a benchmark test which will be run when `deno bench` is used on
-   * the command line and the containing module looks like a bench module.
-   *
-   * If the test function (`fn`) returns a promise or is async, the test runner
-   * will await resolution to consider the test complete.
-   *
-   * ```ts
-   * import { assertEquals } from "https://deno.land/std/testing/asserts.ts";
-   *
-   * Deno.bench({
-   *   name: "example test",
-   *   fn() {
-   *     assertEquals("world", "world");
-   *   },
-   * });
-   *
-   * Deno.bench({
-   *   name: "example ignored test",
-   *   ignore: Deno.build.os === "windows",
-   *   fn() {
-   *     // This test is ignored only on Windows machines
-   *   },
-   * });
-   *
-   * Deno.bench({
-   *   name: "example async test",
-   *   async fn() {
-   *     const decoder = new TextDecoder("utf-8");
-   *     const data = await Deno.readFile("hello_world.txt");
-   *     assertEquals(decoder.decode(data), "Hello world");
-   *   }
-   * });
-   * ```
-   *
-   * @category Testing
-   */
-  export function bench(t: BenchDefinition): void;
-
-  /** **UNSTABLE**: New API, yet to be vetted.
-   *
-   * Register a benchmark test which will be run when `deno bench` is used on
-   * the command line and the containing module looks like a bench module.
-   *
-   * If the test function (`fn`) returns a promise or is async, the test runner
-   * will await resolution to consider the test complete.
-   *
-   * ```ts
-   * import { assertEquals } from "https://deno.land/std/testing/asserts.ts";
-   *
-   * Deno.bench("My test description", () => {
-   *   assertEquals("hello", "hello");
-   * });
-   *
-   * Deno.bench("My async test description", async () => {
-   *   const decoder = new TextDecoder("utf-8");
-   *   const data = await Deno.readFile("hello_world.txt");
-   *   assertEquals(decoder.decode(data), "Hello world");
-   * });
-   * ```
-   *
-   * @category Testing
-   */
-  export function bench(
-    name: string,
-    fn: () => void | Promise<void>,
-  ): void;
-
-  /** **UNSTABLE**: New API, yet to be vetted.
-   *
-   * Register a benchmark test which will be run when `deno bench` is used on
-   * the command line and the containing module looks like a bench module.
-   *
-   * If the test function (`fn`) returns a promise or is async, the test runner
-   * will await resolution to consider the test complete.
-   *
-   * ```ts
-   * import { assertEquals } from "https://deno.land/std/testing/asserts.ts";
-   *
-   * Deno.bench(function myTestName() {
-   *   assertEquals("hello", "hello");
-   * });
-   *
-   * Deno.bench(async function myOtherTestName() {
-   *   const decoder = new TextDecoder("utf-8");
-   *   const data = await Deno.readFile("hello_world.txt");
-   *   assertEquals(decoder.decode(data), "Hello world");
-   * });
-   * ```
-   *
-   * @category Testing
-   */
-  export function bench(fn: () => void | Promise<void>): void;
-
-  /** **UNSTABLE**: New API, yet to be vetted.
-   *
-   * Register a benchmark test which will be run when `deno bench` is used on
-   * the command line and the containing module looks like a bench module.
-   *
-   * If the test function (`fn`) returns a promise or is async, the test runner
-   * will await resolution to consider the test complete.
-   *
-   * ```ts
-   * import { assertEquals } from "https://deno.land/std/testing/asserts.ts";
-   *
-   * Deno.bench(
-   *   "My test description",
-   *   { permissions: { read: true } },
-   *   () => {
-   *    assertEquals("hello", "hello");
-   *   }
-   * );
-   *
-   * Deno.bench(
-   *   "My async test description",
-   *   { permissions: { read: false } },
-   *   async () => {
-   *     const decoder = new TextDecoder("utf-8");
-   *     const data = await Deno.readFile("hello_world.txt");
-   *     assertEquals(decoder.decode(data), "Hello world");
-   *   }
-   * );
-   * ```
-   *
-   * @category Testing
-   */
-  export function bench(
-    name: string,
-    options: Omit<BenchDefinition, "fn" | "name">,
-    fn: () => void | Promise<void>,
-  ): void;
-
-  /** **UNSTABLE**: New API, yet to be vetted.
-   *
-   * Register a benchmark test which will be run when `deno bench` is used on
-   * the command line and the containing module looks like a bench module.
-   *
-   * If the test function (`fn`) returns a promise or is async, the test runner
-   * will await resolution to consider the test complete.
-   *
-   * ```ts
-   * import { assertEquals } from "https://deno.land/std/testing/asserts.ts";
-   *
-   * Deno.bench(
-   *   { name: "My test description", permissions: { read: true } },
-   *   () => {
-   *     assertEquals("hello", "hello");
-   *   }
-   * );
-   *
-   * Deno.bench(
-   *   { name: "My async test description", permissions: { read: false } },
-   *   async () => {
-   *     const decoder = new TextDecoder("utf-8");
-   *     const data = await Deno.readFile("hello_world.txt");
-   *     assertEquals(decoder.decode(data), "Hello world");
-   *   }
-   * );
-   * ```
-   *
-   * @category Testing
-   */
-  export function bench(
-    options: Omit<BenchDefinition, "fn">,
-    fn: () => void | Promise<void>,
-  ): void;
-
-  /** **UNSTABLE**: New API, yet to be vetted.
-   *
-   * Register a benchmark test which will be run when `deno bench` is used on
-   * the command line and the containing module looks like a bench module.
-   *
-   * If the test function (`fn`) returns a promise or is async, the test runner
-   * will await resolution to consider the test complete.
-   *
-   * ```ts
-   * import { assertEquals } from "https://deno.land/std/testing/asserts.ts";
-   *
-   * Deno.bench(
-   *   { permissions: { read: true } },
-   *   function myTestName() {
-   *     assertEquals("hello", "hello");
-   *   }
-   * );
-   *
-   * Deno.bench(
-   *   { permissions: { read: false } },
-   *   async function myOtherTestName() {
-   *     const decoder = new TextDecoder("utf-8");
-   *     const data = await Deno.readFile("hello_world.txt");
-   *     assertEquals(decoder.decode(data), "Hello world");
-   *   }
-   * );
-   * ```
-   *
-   * @category Testing
-   */
-  export function bench(
-    options: Omit<BenchDefinition, "fn" | "name">,
-    fn: () => void | Promise<void>,
-  ): void;
-
-  /** **UNSTABLE**: New API, yet to be vetted.
-   *
    * Retrieve the process umask.  If `mask` is provided, sets the process umask.
    * This call always returns what the umask was before the call.
    *
diff --git a/cli/ops/bench.rs b/cli/ops/bench.rs
index 1c62452d4..6fc881f61 100644
--- a/cli/ops/bench.rs
+++ b/cli/ops/bench.rs
@@ -21,7 +21,6 @@ use uuid::Uuid;
 pub fn init(
   sender: UnboundedSender<BenchEvent>,
   filter: TestFilter,
-  unstable: bool,
 ) -> Extension {
   Extension::builder()
     .ops(vec![
@@ -31,36 +30,15 @@ pub fn init(
       op_register_bench::decl(),
       op_dispatch_bench_event::decl(),
       op_bench_now::decl(),
-      op_bench_check_unstable::decl(),
     ])
     .state(move |state| {
       state.put(sender.clone());
       state.put(filter.clone());
-      state.put(Unstable(unstable));
       Ok(())
     })
     .build()
 }
 
-pub struct Unstable(pub bool);
-
-fn check_unstable(state: &OpState, api_name: &str) {
-  let unstable = state.borrow::<Unstable>();
-
-  if !unstable.0 {
-    eprintln!(
-      "Unstable API '{}'. The --unstable flag must be provided.",
-      api_name
-    );
-    std::process::exit(70);
-  }
-}
-
-#[op]
-fn op_bench_check_unstable(state: &mut OpState) {
-  check_unstable(state, "Deno.bench");
-}
-
 #[derive(Clone)]
 struct PermissionsHolder(Uuid, Permissions);
 
diff --git a/cli/tests/integration/bench_tests.rs b/cli/tests/integration/bench_tests.rs
index eadca9a1c..d3fa5791a 100644
--- a/cli/tests/integration/bench_tests.rs
+++ b/cli/tests/integration/bench_tests.rs
@@ -4,165 +4,158 @@ use crate::itest;
 use deno_core::url::Url;
 use test_util as util;
 
-itest!(requires_unstable {
-  args: "bench bench/requires_unstable.js",
-  exit_code: 70,
-  output: "bench/requires_unstable.out",
-});
-
 itest!(overloads {
-  args: "bench --unstable bench/overloads.ts",
+  args: "bench bench/overloads.ts",
   exit_code: 0,
   output: "bench/overloads.out",
 });
 
 itest!(meta {
-  args: "bench --unstable bench/meta.ts",
+  args: "bench bench/meta.ts",
   exit_code: 0,
   output: "bench/meta.out",
 });
 
 itest!(pass {
-  args: "bench --unstable bench/pass.ts",
+  args: "bench bench/pass.ts",
   exit_code: 0,
   output: "bench/pass.out",
 });
 
 itest!(ignore {
-  args: "bench --unstable bench/ignore.ts",
+  args: "bench bench/ignore.ts",
   exit_code: 0,
   output: "bench/ignore.out",
 });
 
 itest!(ignore_permissions {
-  args: "bench --unstable bench/ignore_permissions.ts",
+  args: "bench bench/ignore_permissions.ts",
   exit_code: 0,
   output: "bench/ignore_permissions.out",
 });
 
 itest!(fail {
-  args: "bench --unstable bench/fail.ts",
+  args: "bench bench/fail.ts",
   exit_code: 1,
   output: "bench/fail.out",
 });
 
 itest!(collect {
-  args: "bench --unstable --ignore=bench/collect/ignore bench/collect",
+  args: "bench --ignore=bench/collect/ignore bench/collect",
   exit_code: 0,
   output: "bench/collect.out",
 });
 
 itest!(load_unload {
-  args: "bench --unstable bench/load_unload.ts",
+  args: "bench bench/load_unload.ts",
   exit_code: 0,
   output: "bench/load_unload.out",
 });
 
 itest!(interval {
-  args: "bench --unstable bench/interval.ts",
+  args: "bench bench/interval.ts",
   exit_code: 0,
   output: "bench/interval.out",
 });
 
 itest!(quiet {
-  args: "bench --unstable --quiet bench/quiet.ts",
+  args: "bench --quiet bench/quiet.ts",
   exit_code: 0,
   output: "bench/quiet.out",
 });
 
 itest!(only {
-  args: "bench --unstable bench/only.ts",
+  args: "bench bench/only.ts",
   exit_code: 1,
   output: "bench/only.out",
 });
 
 itest!(multifile_summary {
-  args: "bench --unstable bench/group_baseline.ts bench/pass.ts bench/group_baseline.ts",
+  args: "bench bench/group_baseline.ts bench/pass.ts bench/group_baseline.ts",
   exit_code: 0,
   output: "bench/multifile_summary.out",
 });
 
 itest!(no_check {
-  args: "bench --unstable --no-check bench/no_check.ts",
+  args: "bench --no-check bench/no_check.ts",
   exit_code: 1,
   output: "bench/no_check.out",
 });
 
 itest!(allow_all {
-  args: "bench  --unstable --allow-all bench/allow_all.ts",
+  args: "bench  --allow-all bench/allow_all.ts",
   exit_code: 0,
   output: "bench/allow_all.out",
 });
 
 itest!(allow_none {
-  args: "bench --unstable bench/allow_none.ts",
+  args: "bench bench/allow_none.ts",
   exit_code: 1,
   output: "bench/allow_none.out",
 });
 
 itest!(exit_sanitizer {
-  args: "bench --unstable bench/exit_sanitizer.ts",
+  args: "bench bench/exit_sanitizer.ts",
   output: "bench/exit_sanitizer.out",
   exit_code: 1,
 });
 
 itest!(clear_timeout {
-  args: "bench --unstable bench/clear_timeout.ts",
+  args: "bench bench/clear_timeout.ts",
   exit_code: 0,
   output: "bench/clear_timeout.out",
 });
 
 itest!(finally_timeout {
-  args: "bench --unstable bench/finally_timeout.ts",
+  args: "bench bench/finally_timeout.ts",
   exit_code: 1,
   output: "bench/finally_timeout.out",
 });
 
 itest!(group_baseline {
-  args: "bench --unstable bench/group_baseline.ts",
+  args: "bench bench/group_baseline.ts",
   exit_code: 0,
   output: "bench/group_baseline.out",
 });
 
 itest!(unresolved_promise {
-  args: "bench --unstable bench/unresolved_promise.ts",
+  args: "bench bench/unresolved_promise.ts",
   exit_code: 1,
   output: "bench/unresolved_promise.out",
 });
 
 itest!(unhandled_rejection {
-  args: "bench --unstable bench/unhandled_rejection.ts",
+  args: "bench bench/unhandled_rejection.ts",
   exit_code: 1,
   output: "bench/unhandled_rejection.out",
 });
 
 itest!(filter {
-  args: "bench --unstable --filter=foo bench/filter",
+  args: "bench --filter=foo bench/filter",
   exit_code: 0,
   output: "bench/filter.out",
 });
 
 itest!(no_prompt_by_default {
-  args: "bench --quiet --unstable bench/no_prompt_by_default.ts",
+  args: "bench --quiet bench/no_prompt_by_default.ts",
   exit_code: 1,
   output: "bench/no_prompt_by_default.out",
 });
 
 itest!(no_prompt_with_denied_perms {
-  args:
-    "bench --quiet --unstable --allow-read bench/no_prompt_with_denied_perms.ts",
+  args: "bench --quiet --allow-read bench/no_prompt_with_denied_perms.ts",
   exit_code: 1,
   output: "bench/no_prompt_with_denied_perms.out",
 });
 
 itest!(check_local_by_default {
-  args: "bench --quiet --unstable bench/check_local_by_default.ts",
+  args: "bench --quiet bench/check_local_by_default.ts",
   output: "bench/check_local_by_default.out",
   http_server: true,
 });
 
 itest!(check_local_by_default2 {
-  args: "bench --quiet --unstable bench/check_local_by_default2.ts",
+  args: "bench --quiet bench/check_local_by_default2.ts",
   output: "bench/check_local_by_default2.out",
   http_server: true,
   exit_code: 1,
@@ -173,7 +166,6 @@ fn recursive_permissions_pledge() {
   let output = util::deno_cmd()
     .current_dir(util::testdata_path())
     .arg("bench")
-    .arg("--unstable")
     .arg("bench/recursive_permissions_pledge.js")
     .stderr(std::process::Stdio::piped())
     .spawn()
@@ -194,7 +186,7 @@ fn file_protocol() {
       .to_string();
 
   (util::CheckOutputIntegrationTest {
-    args_vec: vec!["bench", "--unstable", &file_url],
+    args_vec: vec!["bench", &file_url],
     exit_code: 0,
     output: "bench/file_protocol.out",
     ..Default::default()
diff --git a/cli/tests/testdata/bench/requires_unstable.js b/cli/tests/testdata/bench/requires_unstable.js
deleted file mode 100644
index 06a07bb38..000000000
--- a/cli/tests/testdata/bench/requires_unstable.js
+++ /dev/null
@@ -1 +0,0 @@
-Deno.bench("bench0", () => {});
diff --git a/cli/tests/testdata/bench/requires_unstable.out b/cli/tests/testdata/bench/requires_unstable.out
deleted file mode 100644
index 574fb07e1..000000000
--- a/cli/tests/testdata/bench/requires_unstable.out
+++ /dev/null
@@ -1 +0,0 @@
-Unstable API 'Deno.bench'. The --unstable flag must be provided.
diff --git a/cli/tools/bench.rs b/cli/tools/bench.rs
index 55e98a8b9..1868d76b3 100644
--- a/cli/tools/bench.rs
+++ b/cli/tools/bench.rs
@@ -356,11 +356,7 @@ async fn bench_specifier(
     &ps,
     specifier.clone(),
     permissions,
-    vec![ops::bench::init(
-      channel.clone(),
-      filter,
-      ps.options.unstable(),
-    )],
+    vec![ops::bench::init(channel.clone(), filter)],
     Default::default(),
   )
   .await?;
diff --git a/runtime/js/40_testing.js b/runtime/js/40_testing.js
index d013d651c..e8590faf1 100644
--- a/runtime/js/40_testing.js
+++ b/runtime/js/40_testing.js
@@ -737,7 +737,6 @@
       return;
     }
 
-    ops.op_bench_check_unstable();
     let benchDesc;
     const defaults = {
       ignore: false,