diff --git a/src/ConsoleMessage.ts b/src/ConsoleMessage.ts
new file mode 100644
index 0000000000000..1e19b18c45820
--- /dev/null
+++ b/src/ConsoleMessage.ts
@@ -0,0 +1,58 @@
+/**
+ * Copyright 2020 Google Inc. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import { JSHandle } from './JSHandle';
+
+interface ConsoleMessageLocation {
+  url?: string;
+  lineNumber?: number;
+  columnNumber?: number;
+}
+
+export class ConsoleMessage {
+  private _type: string;
+  private _text: string;
+  private _args: JSHandle[];
+  private _location: ConsoleMessageLocation;
+
+  constructor(
+    type: string,
+    text: string,
+    args: JSHandle[],
+    location: ConsoleMessageLocation = {}
+  ) {
+    this._type = type;
+    this._text = text;
+    this._args = args;
+    this._location = location;
+  }
+
+  type(): string {
+    return this._type;
+  }
+
+  text(): string {
+    return this._text;
+  }
+
+  args(): JSHandle[] {
+    return this._args;
+  }
+
+  location(): ConsoleMessageLocation {
+    return this._location;
+  }
+}
diff --git a/src/FileChooser.ts b/src/FileChooser.ts
new file mode 100644
index 0000000000000..547cd4d58e1a8
--- /dev/null
+++ b/src/FileChooser.ts
@@ -0,0 +1,53 @@
+/**
+ * Copyright 2020 Google Inc. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import { ElementHandle } from './JSHandle';
+import { assert } from './helper';
+
+export class FileChooser {
+  private _element: ElementHandle;
+  private _multiple: boolean;
+  private _handled = false;
+
+  constructor(
+    element: ElementHandle,
+    event: Protocol.Page.fileChooserOpenedPayload
+  ) {
+    this._element = element;
+    this._multiple = event.mode !== 'selectSingle';
+  }
+
+  isMultiple(): boolean {
+    return this._multiple;
+  }
+
+  async accept(filePaths: string[]): Promise<void> {
+    assert(
+      !this._handled,
+      'Cannot accept FileChooser which is already handled!'
+    );
+    this._handled = true;
+    await this._element.uploadFile(...filePaths);
+  }
+
+  async cancel(): Promise<void> {
+    assert(
+      !this._handled,
+      'Cannot cancel FileChooser which is already handled!'
+    );
+    this._handled = true;
+  }
+}
diff --git a/src/Page.ts b/src/Page.ts
index c7ed0e70bd19a..ea608a2c51d9c 100644
--- a/src/Page.ts
+++ b/src/Page.ts
@@ -38,6 +38,8 @@ import {
 } from './NetworkManager';
 import { Accessibility } from './Accessibility';
 import { TimeoutSettings } from './TimeoutSettings';
+import { FileChooser } from './FileChooser';
+import { ConsoleMessage } from './ConsoleMessage';
 import { PuppeteerLifeCycleEvent } from './LifecycleWatcher';
 
 const writeFileAsync = helper.promisify(fs.writeFile);
@@ -292,7 +294,7 @@ export class Page extends EventEmitter {
     const element = await context._adoptBackendNodeId(event.backendNodeId);
     const interceptors = Array.from(this._fileChooserInterceptors);
     this._fileChooserInterceptors.clear();
-    const fileChooser = new FileChooser(this._client, element, event);
+    const fileChooser = new FileChooser(element, event);
     for (const interceptor of interceptors) interceptor.call(null, fileChooser);
   }
 
@@ -1319,82 +1321,3 @@ function convertPrintParameterToInches(
   }
   return pixels / 96;
 }
-
-interface ConsoleMessageLocation {
-  url?: string;
-  lineNumber?: number;
-  columnNumber?: number;
-}
-
-export class ConsoleMessage {
-  _type: string;
-  _text: string;
-  _args: JSHandle[];
-  _location: ConsoleMessageLocation;
-
-  constructor(
-    type: string,
-    text: string,
-    args: JSHandle[],
-    location: ConsoleMessageLocation = {}
-  ) {
-    this._type = type;
-    this._text = text;
-    this._args = args;
-    this._location = location;
-  }
-
-  type(): string {
-    return this._type;
-  }
-
-  text(): string {
-    return this._text;
-  }
-
-  args(): JSHandle[] {
-    return this._args;
-  }
-
-  location(): ConsoleMessageLocation {
-    return this._location;
-  }
-}
-
-export class FileChooser {
-  _client: CDPSession;
-  _element: ElementHandle;
-  _multiple: boolean;
-  _handled = false;
-
-  constructor(
-    client: CDPSession,
-    element: ElementHandle,
-    event: Protocol.Page.fileChooserOpenedPayload
-  ) {
-    this._client = client;
-    this._element = element;
-    this._multiple = event.mode !== 'selectSingle';
-  }
-
-  isMultiple(): boolean {
-    return this._multiple;
-  }
-
-  async accept(filePaths: string[]): Promise<void> {
-    assert(
-      !this._handled,
-      'Cannot accept FileChooser which is already handled!'
-    );
-    this._handled = true;
-    await this._element.uploadFile(...filePaths);
-  }
-
-  async cancel(): Promise<void> {
-    assert(
-      !this._handled,
-      'Cannot cancel FileChooser which is already handled!'
-    );
-    this._handled = true;
-  }
-}
diff --git a/src/api.ts b/src/api.ts
index 3eafe8c3076dd..637f2f67c58fe 100644
--- a/src/api.ts
+++ b/src/api.ts
@@ -24,12 +24,12 @@ module.exports = {
   BrowserContext: require('./Browser').BrowserContext,
   BrowserFetcher: require('./BrowserFetcher').BrowserFetcher,
   CDPSession: require('./Connection').CDPSession,
-  ConsoleMessage: require('./Page').ConsoleMessage,
+  ConsoleMessage: require('./ConsoleMessage').ConsoleMessage,
   Coverage: require('./Coverage').Coverage,
   Dialog: require('./Dialog').Dialog,
   ElementHandle: require('./JSHandle').ElementHandle,
   ExecutionContext: require('./ExecutionContext').ExecutionContext,
-  FileChooser: require('./Page').FileChooser,
+  FileChooser: require('./FileChooser').FileChooser,
   Frame: require('./FrameManager').Frame,
   JSHandle: require('./JSHandle').JSHandle,
   Keyboard: require('./Input').Keyboard,