diff --git a/packages/puppeteer-core/src/common/Browser.ts b/packages/puppeteer-core/src/common/Browser.ts
index 7cb84490..3d60df00 100644
--- a/packages/puppeteer-core/src/common/Browser.ts
+++ b/packages/puppeteer-core/src/common/Browser.ts
@@ -54,9 +54,6 @@ import {TaskQueue} from './TaskQueue.js';
  * @internal
  */
 export class CDPBrowser extends BrowserBase {
-  /**
-   * @internal
-   */
   static async _create(
     product: 'firefox' | 'chrome' | undefined,
     connection: Connection,
@@ -98,16 +95,10 @@ export class CDPBrowser extends BrowserBase {
   #screenshotTaskQueue: TaskQueue;
   #targetManager: TargetManager;
 
-  /**
-   * @internal
-   */
   override get _targets(): Map<string, CDPTarget> {
     return this.#targetManager.getAvailableTargets();
   }
 
-  /**
-   * @internal
-   */
   constructor(
     product: 'chrome' | 'firefox' | undefined,
     connection: Connection,
@@ -163,9 +154,6 @@ export class CDPBrowser extends BrowserBase {
     this.emit(BrowserEmittedEvents.Disconnected);
   };
 
-  /**
-   * @internal
-   */
   override async _attach(): Promise<void> {
     this.#connection.on(
       ConnectionEmittedEvents.Disconnected,
@@ -190,9 +178,6 @@ export class CDPBrowser extends BrowserBase {
     await this.#targetManager.initialize();
   }
 
-  /**
-   * @internal
-   */
   override _detach(): void {
     this.#connection.off(
       ConnectionEmittedEvents.Disconnected,
@@ -224,9 +209,6 @@ export class CDPBrowser extends BrowserBase {
     return this.#process ?? null;
   }
 
-  /**
-   * @internal
-   */
   _targetManager(): TargetManager {
     return this.#targetManager;
   }
@@ -243,9 +225,6 @@ export class CDPBrowser extends BrowserBase {
       });
   }
 
-  /**
-   * @internal
-   */
   override _getIsPageTargetCallback(): IsPageTargetCallback | undefined {
     return this.#isPageTargetCallback;
   }
@@ -304,9 +283,6 @@ export class CDPBrowser extends BrowserBase {
     return this.#defaultContext;
   }
 
-  /**
-   * @internal
-   */
   override async _disposeContext(contextId?: string): Promise<void> {
     if (!contextId) {
       return;
@@ -452,9 +428,6 @@ export class CDPBrowser extends BrowserBase {
     return this.#defaultContext.newPage();
   }
 
-  /**
-   * @internal
-   */
   override async _createPageInContext(contextId?: string): Promise<Page> {
     const {targetId} = await this.#connection.send('Target.createTarget', {
       url: 'about:blank',
@@ -553,9 +526,6 @@ export class CDPBrowserContext extends BrowserContext {
   #browser: CDPBrowser;
   #id?: string;
 
-  /**
-   * @internal
-   */
   constructor(connection: Connection, browser: CDPBrowser, contextId?: string) {
     super();
     this.#connection = connection;
diff --git a/packages/puppeteer-core/src/common/CustomQueryHandler.ts b/packages/puppeteer-core/src/common/CustomQueryHandler.ts
index 1114c670..db39621d 100644
--- a/packages/puppeteer-core/src/common/CustomQueryHandler.ts
+++ b/packages/puppeteer-core/src/common/CustomQueryHandler.ts
@@ -53,9 +53,6 @@ export class CustomQueryHandlerRegistry {
     [registerScript: string, Handler: typeof QueryHandler]
   >();
 
-  /**
-   * @internal
-   */
   get(name: string): typeof QueryHandler | undefined {
     const handler = this.#handlers.get(name);
     return handler ? handler[1] : undefined;
@@ -79,8 +76,6 @@ export class CustomQueryHandlerRegistry {
    * @param name - Name to register under.
    * @param queryHandler - {@link CustomQueryHandler | Custom query handler} to
    * register.
-   *
-   * @internal
    */
   register(name: string, handler: CustomQueryHandler): void {
     assert(
@@ -141,8 +136,6 @@ export class CustomQueryHandlerRegistry {
    * given name.
    *
    * @throws `Error` if there is no handler under the given name.
-   *
-   * @internal
    */
   unregister(name: string): void {
     const handler = this.#handlers.get(name);
@@ -155,8 +148,6 @@ export class CustomQueryHandlerRegistry {
 
   /**
    * Gets the names of all {@link CustomQueryHandler | custom query handlers}.
-   *
-   * @internal
    */
   names(): string[] {
     return [...this.#handlers.keys()];
@@ -164,8 +155,6 @@ export class CustomQueryHandlerRegistry {
 
   /**
    * Unregisters all custom query handlers.
-   *
-   * @internal
    */
   clear(): void {
     for (const [registerScript] of this.#handlers) {
diff --git a/packages/puppeteer-core/src/common/Dialog.ts b/packages/puppeteer-core/src/common/Dialog.ts
index 3d971474..1fc899b8 100644
--- a/packages/puppeteer-core/src/common/Dialog.ts
+++ b/packages/puppeteer-core/src/common/Dialog.ts
@@ -26,9 +26,6 @@ import {CDPSession} from './Connection.js';
 export class CDPDialog extends Dialog {
   #client: CDPSession;
 
-  /**
-   * @internal
-   */
   constructor(
     client: CDPSession,
     type: Protocol.Page.DialogType,
@@ -39,9 +36,6 @@ export class CDPDialog extends Dialog {
     this.#client = client;
   }
 
-  /**
-   * @internal
-   */
   override async sendCommand(options: {
     accept: boolean;
     text?: string;
diff --git a/packages/puppeteer-core/src/common/ElementHandle.ts b/packages/puppeteer-core/src/common/ElementHandle.ts
index 69f8648c..00431e59 100644
--- a/packages/puppeteer-core/src/common/ElementHandle.ts
+++ b/packages/puppeteer-core/src/common/ElementHandle.ts
@@ -52,16 +52,10 @@ export class CDPElementHandle<
     this.#frame = frame;
   }
 
-  /**
-   * @internal
-   */
   executionContext(): ExecutionContext {
     return this.handle.executionContext();
   }
 
-  /**
-   * @internal
-   */
   get client(): CDPSession {
     return this.handle.client;
   }
diff --git a/packages/puppeteer-core/src/common/Frame.ts b/packages/puppeteer-core/src/common/Frame.ts
index 728d1fc5..9c3318bb 100644
--- a/packages/puppeteer-core/src/common/Frame.ts
+++ b/packages/puppeteer-core/src/common/Frame.ts
@@ -240,16 +240,10 @@ export class CDPFrame extends Frame {
     return this.worlds[MAIN_WORLD].executionContext();
   }
 
-  /**
-   * @internal
-   */
   override mainRealm(): IsolatedWorld {
     return this.worlds[MAIN_WORLD];
   }
 
-  /**
-   * @internal
-   */
   override isolatedRealm(): IsolatedWorld {
     return this.worlds[PUPPETEER_WORLD];
   }
diff --git a/packages/puppeteer-core/src/common/FrameManager.ts b/packages/puppeteer-core/src/common/FrameManager.ts
index aeb8a483..f413a624 100644
--- a/packages/puppeteer-core/src/common/FrameManager.ts
+++ b/packages/puppeteer-core/src/common/FrameManager.ts
@@ -75,9 +75,7 @@ export class FrameManager extends EventEmitter {
   #contextIdToContext = new Map<string, ExecutionContext>();
   #isolatedWorlds = new Set<string>();
   #client: CDPSession;
-  /**
-   * @internal
-   */
+
   _frameTree = new FrameTree<CDPFrame>();
 
   /**
@@ -299,9 +297,6 @@ export class FrameManager extends EventEmitter {
     void this.initialize(target._session()!);
   }
 
-  /**
-   * @internal
-   */
   _deviceRequestPromptManager(client: CDPSession): DeviceRequestPromptManager {
     let manager = this.#deviceRequestPromptManagerMap.get(client);
     if (manager === undefined) {
diff --git a/packages/puppeteer-core/src/common/Input.ts b/packages/puppeteer-core/src/common/Input.ts
index 2f60499c..aacaa8e3 100644
--- a/packages/puppeteer-core/src/common/Input.ts
+++ b/packages/puppeteer-core/src/common/Input.ts
@@ -46,22 +46,13 @@ export class CDPKeyboard extends Keyboard {
   #client: CDPSession;
   #pressedKeys = new Set<string>();
 
-  /**
-   * @internal
-   */
   _modifiers = 0;
 
-  /**
-   * @internal
-   */
   constructor(client: CDPSession) {
     super();
     this.#client = client;
   }
 
-  /**
-   * @internal
-   */
   updateClient(client: CDPSession): void {
     this.#client = client;
   }
@@ -288,18 +279,12 @@ export class CDPMouse extends Mouse {
   #client: CDPSession;
   #keyboard: CDPKeyboard;
 
-  /**
-   * @internal
-   */
   constructor(client: CDPSession, keyboard: CDPKeyboard) {
     super();
     this.#client = client;
     this.#keyboard = keyboard;
   }
 
-  /**
-   * @internal
-   */
   updateClient(client: CDPSession): void {
     this.#client = client;
   }
@@ -576,18 +561,12 @@ export class CDPTouchscreen extends Touchscreen {
   #client: CDPSession;
   #keyboard: CDPKeyboard;
 
-  /**
-   * @internal
-   */
   constructor(client: CDPSession, keyboard: CDPKeyboard) {
     super();
     this.#client = client;
     this.#keyboard = keyboard;
   }
 
-  /**
-   * @internal
-   */
   updateClient(client: CDPSession): void {
     this.#client = client;
   }
diff --git a/packages/puppeteer-core/src/common/Page.ts b/packages/puppeteer-core/src/common/Page.ts
index 4676dad4..da4439a6 100644
--- a/packages/puppeteer-core/src/common/Page.ts
+++ b/packages/puppeteer-core/src/common/Page.ts
@@ -95,9 +95,6 @@ import {WebWorker} from './WebWorker.js';
  * @internal
  */
 export class CDPPage extends Page {
-  /**
-   * @internal
-   */
   static async _create(
     client: CDPSession,
     target: CDPTarget,
@@ -211,9 +208,6 @@ export class CDPPage extends Page {
     ['Page.fileChooserOpened', this.#onFileChooser.bind(this)],
   ]);
 
-  /**
-   * @internal
-   */
   constructor(
     client: CDPSession,
     target: CDPTarget,
@@ -379,9 +373,6 @@ export class CDPPage extends Page {
     this.#fileChooserDeferreds.clear();
   }
 
-  /**
-   * @internal
-   */
   _client(): CDPSession {
     return this.#client;
   }
diff --git a/packages/puppeteer-core/src/common/Target.ts b/packages/puppeteer-core/src/common/Target.ts
index 80c1f27e..f3f5d91d 100644
--- a/packages/puppeteer-core/src/common/Target.ts
+++ b/packages/puppeteer-core/src/common/Target.ts
@@ -50,17 +50,8 @@ export class CDPTarget extends Target {
     | ((isAutoAttachEmulated: boolean) => Promise<CDPSession>)
     | undefined;
 
-  /**
-   * @internal
-   */
   _initializedDeferred = Deferred.create<InitializationStatus>();
-  /**
-   * @internal
-   */
   _isClosedDeferred = Deferred.create<void>();
-  /**
-   * @internal
-   */
   _targetId: string;
 
   /**
@@ -89,23 +80,14 @@ export class CDPTarget extends Target {
     }
   }
 
-  /**
-   * @internal
-   */
   _subtype(): string | undefined {
     return this.#targetInfo.subtype;
   }
 
-  /**
-   * @internal
-   */
   _session(): CDPSession | undefined {
     return this.#session;
   }
 
-  /**
-   * @internal
-   */
   protected _sessionFactory(): (
     isAutoAttachEmulated: boolean
   ) => Promise<CDPSession> {
@@ -151,9 +133,6 @@ export class CDPTarget extends Target {
     }
   }
 
-  /**
-   * @internal
-   */
   _targetManager(): TargetManager {
     if (!this.#targetManager) {
       throw new Error('targetManager is not initialized');
@@ -161,9 +140,6 @@ export class CDPTarget extends Target {
     return this.#targetManager;
   }
 
-  /**
-   * @internal
-   */
   _getTargetInfo(): Protocol.Target.TargetInfo {
     return this.#targetInfo;
   }
@@ -190,24 +166,15 @@ export class CDPTarget extends Target {
     return this.browser()._targets.get(openerId);
   }
 
-  /**
-   * @internal
-   */
   _targetInfoChanged(targetInfo: Protocol.Target.TargetInfo): void {
     this.#targetInfo = targetInfo;
     this._checkIfInitialized();
   }
 
-  /**
-   * @internal
-   */
   _initialize(): void {
     this._initializedDeferred.resolve(InitializationStatus.SUCCESS);
   }
 
-  /**
-   * @internal
-   */
   protected _checkIfInitialized(): void {
     if (!this._initializedDeferred.resolved()) {
       this._initializedDeferred.resolve(InitializationStatus.SUCCESS);
@@ -224,9 +191,6 @@ export class PageTarget extends CDPTarget {
   #screenshotTaskQueue: TaskQueue;
   #ignoreHTTPSErrors: boolean;
 
-  /**
-   * @internal
-   */
   constructor(
     targetInfo: Protocol.Target.TargetInfo,
     session: CDPSession | undefined,
diff --git a/packages/puppeteer-core/src/common/bidi/ElementHandle.ts b/packages/puppeteer-core/src/common/bidi/ElementHandle.ts
index 904d219d..b6e2d813 100644
--- a/packages/puppeteer-core/src/common/bidi/ElementHandle.ts
+++ b/packages/puppeteer-core/src/common/bidi/ElementHandle.ts
@@ -56,9 +56,6 @@ export class BidiElementHandle<
     return this.handle.remoteValue();
   }
 
-  /**
-   * @internal
-   */
   assertElementHasWorld(): asserts this {
     // TODO: Should assert element has a Sandbox
     return;
diff --git a/packages/puppeteer-core/src/common/bidi/Input.ts b/packages/puppeteer-core/src/common/bidi/Input.ts
index 852c357c..89ed43aa 100644
--- a/packages/puppeteer-core/src/common/bidi/Input.ts
+++ b/packages/puppeteer-core/src/common/bidi/Input.ts
@@ -287,9 +287,6 @@ const getBidiKeyValue = (key: KeyInput) => {
 export class Keyboard extends BaseKeyboard {
   #context: BrowsingContext;
 
-  /**
-   * @internal
-   */
   constructor(context: BrowsingContext) {
     super();
     this.#context = context;
@@ -463,9 +460,6 @@ export class Mouse extends BaseMouse {
   #context: BrowsingContext;
   #lastMovePoint?: Point;
 
-  /**
-   * @internal
-   */
   constructor(context: BrowsingContext) {
     super();
     this.#context = context;
@@ -619,9 +613,6 @@ export class Mouse extends BaseMouse {
 export class Touchscreen extends BaseTouchscreen {
   #context: BrowsingContext;
 
-  /**
-   * @internal
-   */
   constructor(context: BrowsingContext) {
     super();
     this.#context = context;
diff --git a/test/src/frame.spec.ts b/test/src/frame.spec.ts
index faf7abbb..f6fa4c7e 100644
--- a/test/src/frame.spec.ts
+++ b/test/src/frame.spec.ts
@@ -86,17 +86,15 @@ describe('Frame specs', function () {
 
       const frame1 = (await attachFrame(page, 'frame1', server.EMPTY_PAGE))!;
       await detachFrame(page, 'frame1');
-      let error!: Error;
-      await frame1
-        .evaluate(() => {
+      let error: Error | undefined;
+      try {
+        await frame1.evaluate(() => {
           return 7 * 8;
-        })
-        .catch(error_ => {
-          return (error = error_);
         });
-      expect(error.message).toContain(
-        'Execution context is not available in detached frame'
-      );
+      } catch (err) {
+        error = err as Error;
+      }
+      expect(error?.message).toContain('Attempted to use detached Frame');
     });
 
     it('allows readonly array to be an argument', async () => {