diff --git a/src/Playwright/Core/APIRequest.cs b/src/Playwright/Core/APIRequest.cs
index a52c4db15..25164ef45 100644
--- a/src/Playwright/Core/APIRequest.cs
+++ b/src/Playwright/Core/APIRequest.cs
@@ -64,7 +64,7 @@ async Task<IAPIRequestContext> IAPIRequest.NewContextAsync(APIRequestNewContextO
         }
         if (!string.IsNullOrEmpty(storageState))
         {
-            args.Add("storageState", JsonSerializer.Deserialize<StorageState>(storageState, Helpers.JsonExtensions.DefaultJsonSerializerOptions));
+            args.Add("storageState", JsonSerializer.Deserialize<object>(storageState, Helpers.JsonExtensions.DefaultJsonSerializerOptions));
         }
 
         var context = await _playwright.SendMessageToServerAsync<APIRequestContext>(
diff --git a/src/Playwright/Core/APIRequestContext.cs b/src/Playwright/Core/APIRequestContext.cs
index 91737ede1..ca4d51b95 100644
--- a/src/Playwright/Core/APIRequestContext.cs
+++ b/src/Playwright/Core/APIRequestContext.cs
@@ -215,7 +215,7 @@ private APIRequestContextOptions WithMethod(APIRequestContextOptions options, st
     public async Task<string> StorageStateAsync(APIRequestContextStorageStateOptions options = null)
     {
         string state = JsonSerializer.Serialize(
-            await SendMessageToServerAsync<StorageState>("storageState").ConfigureAwait(false),
+            await SendMessageToServerAsync<object>("storageState").ConfigureAwait(false),
             JsonExtensions.DefaultJsonSerializerOptions);
 
         if (!string.IsNullOrEmpty(options?.Path))
diff --git a/src/Playwright/Core/Browser.cs b/src/Playwright/Core/Browser.cs
index 783162a11..e185e5aa6 100644
--- a/src/Playwright/Core/Browser.cs
+++ b/src/Playwright/Core/Browser.cs
@@ -155,7 +155,7 @@ public async Task<IBrowserContext> NewContextAsync(BrowserNewContextOptions opti
 
         if (!string.IsNullOrEmpty(storageState))
         {
-            args.Add("storageState", JsonSerializer.Deserialize<StorageState>(storageState, Helpers.JsonExtensions.DefaultJsonSerializerOptions));
+            args.Add("storageState", JsonSerializer.Deserialize<object>(storageState, Helpers.JsonExtensions.DefaultJsonSerializerOptions));
         }
 
         if (options.ViewportSize?.Width == -1)
diff --git a/src/Playwright/Core/BrowserContext.cs b/src/Playwright/Core/BrowserContext.cs
index 4af6c800a..a8ca3c80d 100644
--- a/src/Playwright/Core/BrowserContext.cs
+++ b/src/Playwright/Core/BrowserContext.cs
@@ -539,7 +539,7 @@ public Task SetOfflineAsync(bool offline) => SendMessageToServerAsync(
     public async Task<string> StorageStateAsync(BrowserContextStorageStateOptions options = default)
     {
         string state = JsonSerializer.Serialize(
-            await SendMessageToServerAsync<StorageState>("storageState").ConfigureAwait(false),
+            await SendMessageToServerAsync<object>("storageState").ConfigureAwait(false),
             JsonExtensions.DefaultJsonSerializerOptions);
 
         if (!string.IsNullOrEmpty(options?.Path))
diff --git a/src/Playwright/Core/StorageState.cs b/src/Playwright/Core/StorageState.cs
deleted file mode 100644
index 232f560ca..000000000
--- a/src/Playwright/Core/StorageState.cs
+++ /dev/null
@@ -1,55 +0,0 @@
-/*
- * MIT License
- *
- * Copyright (c) Microsoft Corporation.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and / or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using Microsoft.Playwright.Transport.Protocol;
-
-namespace Microsoft.Playwright.Core;
-
-internal class StorageState : IEquatable<StorageState>
-{
-    /// <summary>
-    /// Cookie list.
-    /// </summary>
-    public ICollection<Cookie> Cookies { get; set; } = new List<Cookie>();
-
-    /// <summary>
-    /// List of local storage per origin.
-    /// </summary>
-    public ICollection<OriginStorage> Origins { get; set; } = new List<OriginStorage>();
-
-    public bool Equals(StorageState other)
-        => other != null &&
-            Cookies.SequenceEqual(other.Cookies) &&
-            Origins.SequenceEqual(other.Origins);
-
-    public override int GetHashCode()
-        => 412870874 +
-            EqualityComparer<ICollection<Cookie>>.Default.GetHashCode(Cookies) +
-            EqualityComparer<ICollection<OriginStorage>>.Default.GetHashCode(Origins);
-
-    public override bool Equals(object obj) => Equals(obj as StorageState);
-}