diff --git a/ZeroLevel.UnitTests/DumpTests.cs b/ZeroLevel.UnitTests/DumpTests.cs
index f839d91..8bbf35a 100644
--- a/ZeroLevel.UnitTests/DumpTests.cs
+++ b/ZeroLevel.UnitTests/DumpTests.cs
@@ -1,10 +1,4 @@
-using System;
-using System.Linq;
-using Xunit;
-using ZeroLevel.Services.Microservices.Dump;
-using ZeroLevel.UnitTests.Models;
-
-namespace ZeroLevel.UnitTests
+namespace ZeroLevel.UnitTests
 {
     // In developing, not working!
     public class DumpTests
diff --git a/ZeroLevel/Services/Utils/MultiHandler.cs b/ZeroLevel/Services/Utils/MultiHandler.cs
deleted file mode 100644
index 7bc649c..0000000
--- a/ZeroLevel/Services/Utils/MultiHandler.cs
+++ /dev/null
@@ -1,87 +0,0 @@
-using System;
-using System.Linq;
-using System.Collections.Generic;
-using System.Threading;
-using ZeroLevel.Services.Collections;
-using System.Collections.Concurrent;
-
-namespace ZeroLevel.Services.Utils
-{
-    public class MultiHandler<T>
-        : IDisposable
-    {
-        private class Executor
-        {
-            public Thread Thread;
-            public Action<T> Handle;
-            public Func<int> Count;
-            public bool Canceled;
-        }
-
-        private RoundRobinCollection<Executor> _handlers = new RoundRobinCollection<Executor>();
-        private readonly object _lock_handlers = new object();
-
-        public MultiHandler(Action<T> handler, int size)
-        {
-            for (int i = 0; i < size; i++)
-            {
-                var t = new Thread((s) =>
-                {
-                    var queue = new BlockingCollection<T>();
-                    var executor = new Executor
-                    {
-                        Handle = data =>
-                        {
-                            queue.Add(data);
-                        },
-                        Count = () => queue.Count,
-                        Thread = Thread.CurrentThread,
-                        Canceled = false
-                    };
-                    lock (_lock_handlers)
-                    {
-                        ((RoundRobinCollection<Executor>)s).Add(executor);
-                    }
-                    try
-                    {
-                        while (!executor.Canceled)
-                        {
-                            T obj;
-                            if (queue.TryTake(out obj, 500))
-                            {
-                                handler(obj);
-                            }
-                        }
-                        queue.Dispose();
-                    }
-                    catch (Exception ex)
-                    {
-                        Log.Error(ex, "[MultiHandler] Loop fault");
-                    }
-                });
-                t.IsBackground = true;
-                t.Start(_handlers);
-            }
-        }
-
-        public void Append(T t)
-        {
-            _handlers.MoveNextAndHandle(h => h.Handle(t));
-        }
-
-        private int Count => _handlers.Source.Sum(h => h.Count());
-
-        public void WaitForEmpty()
-        {
-            while (Count > 0)
-            {
-                Thread.Sleep(300);
-            }
-        }
-
-        public void Dispose()
-        {
-            foreach (var h in _handlers.Source) h.Canceled = true;
-        }
-    }
-}
diff --git a/ZeroLevel/ZeroLevel.csproj b/ZeroLevel/ZeroLevel.csproj
index 89bf9c4..a512066 100644
--- a/ZeroLevel/ZeroLevel.csproj
+++ b/ZeroLevel/ZeroLevel.csproj
@@ -2,20 +2,20 @@
 
   <PropertyGroup>
     <TargetFramework>netstandard2.0</TargetFramework>
-    <Description>Infrastructure layer tools set.
+    <Description>Infrastructure layer tool set.
 </Description>
     <Authors>ogoun</Authors>
     <Company>ogoun</Company>
-    <AssemblyVersion>3.1.8.0</AssemblyVersion>
-    <PackageReleaseNotes>Fixing and extending</PackageReleaseNotes>
+    <AssemblyVersion>3.1.9.0</AssemblyVersion>
+    <PackageReleaseNotes>Fix bugs, append Multiprocessor class</PackageReleaseNotes>
     <PackageProjectUrl>https://github.com/ogoun/Zero/wiki</PackageProjectUrl>
-    <Copyright>Copyright Ogoun 2019</Copyright>
+    <Copyright>Copyright Ogoun 2020</Copyright>
     <PackageLicenseUrl></PackageLicenseUrl>
     <PackageIconUrl>https://raw.githubusercontent.com/ogoun/Zero/master/zero.png</PackageIconUrl>
     <RepositoryUrl>https://github.com/ogoun/Zero</RepositoryUrl>
     <RepositoryType>GitHub</RepositoryType>
-    <Version>3.1.8</Version>
-    <FileVersion>3.1.8.0</FileVersion>
+    <Version>3.1.9</Version>
+    <FileVersion>3.1.9.0</FileVersion>
     <Platforms>AnyCPU;x64</Platforms>
   </PropertyGroup>