diff --git a/Angular/package.json b/Angular/package.json
index fd94edb..cb7073c 100644
--- a/Angular/package.json
+++ b/Angular/package.json
@@ -37,7 +37,7 @@
     "codelyzer": "^6.0.0",
     "jasmine-core": "~3.6.0",
     "jasmine-spec-reporter": "~5.0.0",
-    "karma": "~6.1.0",
+    "karma": "~6.3.16",
     "karma-chrome-launcher": "~3.1.0",
     "karma-coverage": "~2.0.3",
     "karma-jasmine": "~4.0.0",
diff --git a/Web Services/ASP.NET Core/Controllers/DocumentEditorController.cs b/Web Services/ASP.NET Core/Controllers/DocumentEditorController.cs
index 5616826..48bfca8 100644
--- a/Web Services/ASP.NET Core/Controllers/DocumentEditorController.cs	
+++ b/Web Services/ASP.NET Core/Controllers/DocumentEditorController.cs	
@@ -1,10 +1,8 @@
 using System;
 using System.Collections.Generic;
-using System.Linq;
 using System.Threading.Tasks;
 using Microsoft.AspNetCore.Mvc;
 using System.Net.Http;
-using System.Text;
 using System.IO;
 using Microsoft.AspNetCore.Cors;
 using Microsoft.AspNetCore.Hosting;
diff --git a/Web Services/ASP.NET Core/Controllers/MailMergeHelper.cs b/Web Services/ASP.NET Core/Controllers/MailMergeHelper.cs
index 1ffb098..1d4a075 100644
--- a/Web Services/ASP.NET Core/Controllers/MailMergeHelper.cs	
+++ b/Web Services/ASP.NET Core/Controllers/MailMergeHelper.cs	
@@ -1,8 +1,6 @@
 using Newtonsoft.Json;
 using Newtonsoft.Json.Linq;
 using Syncfusion.DocIO.DLS;
-using System.Collections;
-using System.Dynamic;
 using System.Collections.Generic;
 
 namespace EJ2APIServices
diff --git a/Web Services/ASP.NET Core/Controllers/TestController.cs b/Web Services/ASP.NET Core/Controllers/TestController.cs
index b39cf2d..f3376cd 100644
--- a/Web Services/ASP.NET Core/Controllers/TestController.cs	
+++ b/Web Services/ASP.NET Core/Controllers/TestController.cs	
@@ -1,7 +1,4 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Threading.Tasks;
+using System.Collections.Generic;
 using Microsoft.AspNetCore.Mvc;
 
 namespace EJ2APIServices.Controllers
diff --git a/Web Services/ASP.NET Core/EJ2APIServices.csproj b/Web Services/ASP.NET Core/EJ2APIServices.csproj
index 60bc8c8..30b523a 100644
--- a/Web Services/ASP.NET Core/EJ2APIServices.csproj	
+++ b/Web Services/ASP.NET Core/EJ2APIServices.csproj	
@@ -18,7 +18,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.AspNetCore.All" Version="2.0.5" />
+    <PackageReference Include="Microsoft.AspNetCore.All" Version="2.0.9" />
   </ItemGroup>
 
   <ItemGroup>
@@ -29,14 +29,11 @@
     <PackageReference Include="Microsoft.AspNetCore.OData" Version="7.0.1" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="2.1.0" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="2.1.0" />
-    <PackageReference Include="Npgsql" Version="4.0.2" />
-    <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="2.1.1.1" />
     <PackageReference Include="Syncfusion.Compression.Net.Core" Version="*" />
     <PackageReference Include="Syncfusion.OfficeChart.Net.Core" Version="*" />
     <PackageReference Include="Syncfusion.EJ2.WordEditor.AspNet.Core" Version="20.3.0.49" />
 	<PackageReference Include="Syncfusion.EJ2.SpellChecker.AspNet.Core" Version="*" />
-	<PackageReference Include="System.Drawing.Common" Version="4.*" />	
-	<PackageReference Include="System.Linq.Dynamic.Core" Version="1.0.9.2" />
+	<PackageReference Include="System.Drawing.Common" Version="4.*" />
   <PackageReference Include="System.Runtime.CompilerServices.Unsafe" Version="4.*" />
   </ItemGroup>
 
diff --git a/Web Services/ASP.NET Core/Startup.cs b/Web Services/ASP.NET Core/Startup.cs
index 142ea92..63f278d 100644
--- a/Web Services/ASP.NET Core/Startup.cs	
+++ b/Web Services/ASP.NET Core/Startup.cs	
@@ -1,22 +1,11 @@
-using System;
-using System.Collections.Generic;
+using System.Collections.Generic;
 using System.Linq;
-using System.Threading.Tasks;
 using Microsoft.AspNetCore.Builder;
 using Microsoft.AspNetCore.Hosting;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
-using Microsoft.Extensions.Logging;
-using Microsoft.Extensions.Options;
 using Microsoft.EntityFrameworkCore;
-using Microsoft.Data.Edm;
-using Microsoft.AspNet.OData.Builder;
 using Microsoft.AspNet.OData.Extensions;
-using Microsoft.AspNetCore.Routing;
-using Microsoft.OData.UriParser;
-using Microsoft.AspNetCore.Cors.Infrastructure;
-using EJ2APIServices.Models;
-using EJ2APIServices.Controllers;
 using Syncfusion.EJ2.SpellChecker;
 using System.IO;
 using Newtonsoft.Json;