diff --git a/cli/dts/lib.deno.ns.d.ts b/cli/dts/lib.deno.ns.d.ts
index cdd3c11c7c..97d3fed045 100644
--- a/cli/dts/lib.deno.ns.d.ts
+++ b/cli/dts/lib.deno.ns.d.ts
@@ -3560,4 +3560,18 @@ declare namespace Deno {
     | SRVRecord[]
     | string[][]
   >;
+
+  /**
+   * Make the timer of the given `id` block the event loop from finishing.
+   *
+   * @category Timers
+   */
+  export function refTimer(id: number): void;
+
+  /**
+   * Make the timer of the given `id` not block the event loop from finishing.
+   *
+   * @category Timers
+   */
+  export function unrefTimer(id: number): void;
 }
diff --git a/cli/dts/lib.deno.unstable.d.ts b/cli/dts/lib.deno.unstable.d.ts
index 49e02d3752..ec87fa9ca5 100644
--- a/cli/dts/lib.deno.unstable.d.ts
+++ b/cli/dts/lib.deno.unstable.d.ts
@@ -1381,22 +1381,6 @@ declare namespace Deno {
    */
   export function funlockSync(rid: number): void;
 
-  /** **UNSTABLE**: New API, yet to be vetted.
-   *
-   * Make the timer of the given id blocking the event loop from finishing.
-   *
-   * @category Timers
-   */
-  export function refTimer(id: number): void;
-
-  /** **UNSTABLE**: New API, yet to be vetted.
-   *
-   * Make the timer of the given id not blocking the event loop from finishing.
-   *
-   * @category Timers
-   */
-  export function unrefTimer(id: number): void;
-
   /** **UNSTABLE**: New API, yet to be vetted.
    *
    * A handler for HTTP requests. Consumes a request and returns a response.
diff --git a/runtime/js/90_deno_ns.js b/runtime/js/90_deno_ns.js
index 200bf73c2d..e7b21640a2 100644
--- a/runtime/js/90_deno_ns.js
+++ b/runtime/js/90_deno_ns.js
@@ -112,6 +112,8 @@
     kill: __bootstrap.process.kill,
     addSignalListener: __bootstrap.signals.addSignalListener,
     removeSignalListener: __bootstrap.signals.removeSignalListener,
+    refTimer: __bootstrap.timers.refTimer,
+    unrefTimer: __bootstrap.timers.unrefTimer,
   };
 
   __bootstrap.denoNsUnstable = {
@@ -146,8 +148,6 @@
     flockSync: __bootstrap.fs.flockSync,
     funlock: __bootstrap.fs.funlock,
     funlockSync: __bootstrap.fs.funlockSync,
-    refTimer: __bootstrap.timers.refTimer,
-    unrefTimer: __bootstrap.timers.unrefTimer,
     Child: __bootstrap.spawn.Child,
     spawnChild: __bootstrap.spawn.spawnChild,
     spawn: __bootstrap.spawn.spawn,