diff --git a/MtApi5/Mt5TradeTransactionEventArgs.cs b/MtApi5/Mt5TradeTransactionEventArgs.cs
index 9476fbce..eafd45b1 100644
--- a/MtApi5/Mt5TradeTransactionEventArgs.cs
+++ b/MtApi5/Mt5TradeTransactionEventArgs.cs
@@ -1,6 +1,4 @@
-using System;
-
-namespace MtApi5
+namespace MtApi5
 {
     public class Mt5TradeTransactionEventArgs : EventArgs
     {
diff --git a/MtApi5/MtApi5.csproj b/MtApi5/MtApi5.csproj
index be4e5dc8..e836a6c3 100755
--- a/MtApi5/MtApi5.csproj
+++ b/MtApi5/MtApi5.csproj
@@ -5,6 +5,7 @@
 		<Nullable>enable</Nullable>
 		<VersionPrefix>2.0.0</VersionPrefix>
 		<BaseOutputPath>$(SolutionDir)build\products</BaseOutputPath>
+		<CopyLocalLockFileAssemblies>true</CopyLocalLockFileAssemblies>
 	</PropertyGroup>
 	<ItemGroup>
 	  <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
diff --git a/MtApi5/MtApi5Client.cs b/MtApi5/MtApi5Client.cs
index 8b75d0fb..3075223d 100755
--- a/MtApi5/MtApi5Client.cs
+++ b/MtApi5/MtApi5Client.cs
@@ -1,9 +1,7 @@
-using System.Collections;
-using Newtonsoft.Json;
+using Newtonsoft.Json;
 using MtClient;
 using MtApi5.MtProtocol;
 using MtApi5.MtProtocol.ICustomRequest;
-using System.Xml.Linq;
 
 namespace MtApi5
 {
diff --git a/MtApi5Installer/Product.wxs b/MtApi5Installer/Product.wxs
index 890afd49..10a1a326 100755
--- a/MtApi5Installer/Product.wxs
+++ b/MtApi5Installer/Product.wxs
@@ -82,6 +82,11 @@
                 <File Id="MtClient.dll" Name="MtClient.dll" KeyPath="yes"
                     src="$(var.ProductPath)MtClient.dll"/>
             </Component>
+
+			<Component Id="NewtonsoftJsondll" Directory="INSTALLFOLDER">
+				<File Id="Newtonsoft.Json.dll" Name="Newtonsoft.Json.dll" KeyPath="yes"
+					   src="$(var.ProductPath)Newtonsoft.Json.dll"/>
+			</Component>
 			
             <Component Id="MtApi5Expert" Directory="ExpertFolder">
                 <File Id="MtApi5.ex5" Name="MtApi5.ex5" KeyPath="yes"