diff --git a/cli/tsc/dts/lib.deno.unstable.d.ts b/cli/tsc/dts/lib.deno.unstable.d.ts
index b3ee0c4ee0..f2fc0cf3bf 100644
--- a/cli/tsc/dts/lib.deno.unstable.d.ts
+++ b/cli/tsc/dts/lib.deno.unstable.d.ts
@@ -876,8 +876,6 @@ declare namespace Deno {
    * @category Fetch API
    */
   export interface HttpClient extends Disposable {
-    /** The resource ID associated with the client. */
-    rid: number;
     /** Close the HTTP client. */
     close(): void;
   }
diff --git a/ext/fetch/22_http_client.js b/ext/fetch/22_http_client.js
index bd838e6636..c1ddbd7c4f 100644
--- a/ext/fetch/22_http_client.js
+++ b/ext/fetch/22_http_client.js
@@ -10,11 +10,14 @@
 /// <reference path="./lib.deno_fetch.d.ts" />
 /// <reference lib="esnext" />
 
-import { core } from "ext:core/mod.js";
+import { core, primordials } from "ext:core/mod.js";
 
 import { SymbolDispose } from "ext:deno_web/00_infra.js";
 import { op_fetch_custom_client } from "ext:core/ops";
 
+const { internalRidSymbol } = core;
+const { ObjectDefineProperty } = primordials;
+
 /**
  * @param {Deno.CreateHttpClientOptions} options
  * @returns {HttpClient}
@@ -29,19 +32,25 @@ function createHttpClient(options) {
 }
 
 class HttpClient {
+  #rid;
+
   /**
    * @param {number} rid
    */
   constructor(rid) {
-    this.rid = rid;
+    ObjectDefineProperty(this, internalRidSymbol, {
+      enumerable: false,
+      value: rid,
+    });
+    this.#rid = rid;
   }
 
   close() {
-    core.close(this.rid);
+    core.close(this.#rid);
   }
 
   [SymbolDispose]() {
-    core.tryClose(this.rid);
+    core.tryClose(this.#rid);
   }
 }
 const HttpClientPrototype = HttpClient.prototype;
diff --git a/ext/fetch/23_request.js b/ext/fetch/23_request.js
index 8ca92ca729..542bcb8bb2 100644
--- a/ext/fetch/23_request.js
+++ b/ext/fetch/23_request.js
@@ -9,7 +9,7 @@
 /// <reference path="./lib.deno_fetch.d.ts" />
 /// <reference lib="esnext" />
 
-import { primordials } from "ext:core/mod.js";
+import { core, primordials } from "ext:core/mod.js";
 const {
   ArrayPrototypeMap,
   ArrayPrototypeSlice,
@@ -45,6 +45,8 @@ import {
 import { HttpClientPrototype } from "ext:deno_fetch/22_http_client.js";
 import * as abortSignal from "ext:deno_web/03_abort_signal.js";
 
+const { internalRidSymbol } = core;
+
 const _request = Symbol("request");
 const _headers = Symbol("headers");
 const _getHeaders = Symbol("get headers");
@@ -355,7 +357,7 @@ class Request {
           "Argument 2",
         );
       }
-      request.clientRid = init.client?.rid ?? null;
+      request.clientRid = init.client?.[internalRidSymbol] ?? null;
     }
 
     // 28.
diff --git a/ext/node/polyfills/http.ts b/ext/node/polyfills/http.ts
index 0c6501d87d..28b7f15b2c 100644
--- a/ext/node/polyfills/http.ts
+++ b/ext/node/polyfills/http.ts
@@ -65,6 +65,8 @@ import { clearTimeout as webClearTimeout } from "ext:deno_web/02_timers.js";
 import { resourceForReadableStream } from "ext:deno_web/06_streams.js";
 import { TcpConn } from "ext:deno_net/01_net.js";
 
+const { internalRidSymbol } = core;
+
 enum STATUS_CODES {
   /** RFC 7231, 6.2.1 */
   Continue = 100,
@@ -616,7 +618,7 @@ class ClientRequest extends OutgoingMessage {
       this.method,
       url,
       headers,
-      client.rid,
+      client[internalRidSymbol],
       this._bodyWriteRid,
     );
   }
@@ -802,7 +804,7 @@ class ClientRequest extends OutgoingMessage {
     }
     this.destroyed = true;
 
-    const rid = this._client?.rid;
+    const rid = this._client?.[internalRidSymbol];
     if (rid) {
       core.tryClose(rid);
     }