diff --git a/src/FrostFS.SDK.ClientV2/Parameters/PrmObjectPut.cs b/src/FrostFS.SDK.ClientV2/Parameters/PrmObjectPut.cs
index cf68f8d..0fcf91d 100644
--- a/src/FrostFS.SDK.ClientV2/Parameters/PrmObjectPut.cs
+++ b/src/FrostFS.SDK.ClientV2/Parameters/PrmObjectPut.cs
@@ -1,6 +1,6 @@
-using FrostFS.SDK.ModelsV2;
 using System.Collections.Specialized;
 using System.IO;
+using FrostFS.SDK.ModelsV2;
 
 namespace FrostFS.SDK.ClientV2.Parameters;
 
@@ -30,18 +30,13 @@ public sealed class PrmObjectPut : PrmBase, ISessionToken
     /// Overrides default size of the buffer for stream transferring.
     /// </summary>
     /// <value>Size of the buffer</value>
-    public int BufferMaxSize { get; set; }
+    public int BufferMaxSize { get; set; }  
 
     /// <summary>
     /// Allows to define a buffer for chunks to manage by the memory allocation and releasing.
     /// </summary>
     public byte[]? CustomBuffer { get; set; }
 
-    /// <summary>
-    /// FrostFS request X-Headers
-    /// </summary>
-    public NameValueCollection XHeaders { get; set; } = [];
-
     /// <inheritdoc />
     public SessionToken? SessionToken { get; set; }
 
diff --git a/src/FrostFS.SDK.ClientV2/Services/ObjectServiceProvider.cs b/src/FrostFS.SDK.ClientV2/Services/ObjectServiceProvider.cs
index 6901996..603f68a 100644
--- a/src/FrostFS.SDK.ClientV2/Services/ObjectServiceProvider.cs
+++ b/src/FrostFS.SDK.ClientV2/Services/ObjectServiceProvider.cs
@@ -331,7 +331,7 @@ internal class ObjectServiceProvider(ObjectService.ObjectServiceClient client, C
 
             while (objectLimitSize == 0 || sentBytes < objectLimitSize)
             {
-                // send chanks limited to default or user's settings
+                // send chunks limited to default or user's settings
                 var bufferSize = objectLimitSize > 0 ?
                     (int)Math.Min(objectLimitSize - sentBytes, chunkSize)
                     : chunkSize;
@@ -350,7 +350,7 @@ internal class ObjectServiceProvider(ObjectService.ObjectServiceClient client, C
                         Chunk = ByteString.CopyFrom(chunkBuffer, 0, bytesCount)
                     }
                 };
-                
+             
                 chunkRequest.Sign(ctx.Key);
 
                 await stream.Write(chunkRequest);
diff --git a/src/FrostFS.SDK.ClientV2/Tools/ClientEnvironment.cs b/src/FrostFS.SDK.ClientV2/Tools/ClientEnvironment.cs
index 2790732..ec06eab 100644
--- a/src/FrostFS.SDK.ClientV2/Tools/ClientEnvironment.cs
+++ b/src/FrostFS.SDK.ClientV2/Tools/ClientEnvironment.cs
@@ -2,15 +2,15 @@ using FrostFS.SDK.ModelsV2;
 using Grpc.Net.Client;
 using System;
 using System.Security.Cryptography;
-using System.Buffers;
+using FrostFS.SDK.Cryptography;
 
 namespace FrostFS.SDK.ClientV2;
 
 public class ClientEnvironment(Client client, ECDsa? key, OwnerId? owner, GrpcChannel channel, ModelsV2.Version version) : IDisposable
 {
-	private ArrayPool<byte> _arrayPool;
-    
-	internal OwnerId? Owner { get; } = owner;
+    private ArrayPool<byte> _arrayPool;
+
+    internal OwnerId? Owner { get; } = owner;
 
     internal GrpcChannel Channel { get; private set; } = channel;