diff --git a/products/ASC.Files/Core/Core/Dao/TeamlabDao/FileDao.cs b/products/ASC.Files/Core/Core/Dao/TeamlabDao/FileDao.cs
index 3bfb962dc0f..30a9edb2854 100644
--- a/products/ASC.Files/Core/Core/Dao/TeamlabDao/FileDao.cs
+++ b/products/ASC.Files/Core/Core/Dao/TeamlabDao/FileDao.cs
@@ -824,7 +824,6 @@ public File<int> CopyFile(int fileId, int toFolderId)
             if (file != null)
             {
                 var copy = ServiceProvider.GetService<File<int>>();
-
                 copy.FileStatus = file.FileStatus;
                 copy.FolderID = toFolderId;
                 copy.Title = file.Title;
@@ -1040,7 +1039,6 @@ private File<int> GetFileForCommit(ChunkedUploadSession<int> uploadSession)
 
                 return file;
             }
-
             var result = ServiceProvider.GetService<File<int>>();
             result.FolderID = uploadSession.File.FolderID;
             result.Title = uploadSession.File.Title;
diff --git a/products/ASC.Files/Core/Core/Dao/TeamlabDao/FolderDao.cs b/products/ASC.Files/Core/Core/Dao/TeamlabDao/FolderDao.cs
index 74a8962593b..3809b38ad01 100644
--- a/products/ASC.Files/Core/Core/Dao/TeamlabDao/FolderDao.cs
+++ b/products/ASC.Files/Core/Core/Dao/TeamlabDao/FolderDao.cs
@@ -50,7 +50,6 @@
 
 using Microsoft.EntityFrameworkCore;
 using Microsoft.EntityFrameworkCore.Storage;
-
 using Microsoft.Extensions.DependencyInjection;
 
 namespace ASC.Files.Core.Data
diff --git a/products/ASC.Files/Core/Core/Entries/FileHelper.cs b/products/ASC.Files/Core/Core/Entries/FileHelper.cs
index 4c815430f06..07700232a1e 100644
--- a/products/ASC.Files/Core/Core/Entries/FileHelper.cs
+++ b/products/ASC.Files/Core/Core/Entries/FileHelper.cs
@@ -71,7 +71,7 @@ internal string GetTitle<T>(File<T> file)
                         : FileUtility.ReplaceFileExtension(file.PureTitle, FileUtility.GetInternalExtension(file.PureTitle));
         }
 
-        internal FileStatus GetFileStatus<T>(File<T> file, FileStatus currentStatus)
+        internal FileStatus GetFileStatus<T>(File<T> file, ref FileStatus currentStatus)
         {
             if (FileTracker.IsEditing(file.ID))
             {
diff --git a/products/ASC.Files/Core/HttpHandlers/SearchHandler.cs b/products/ASC.Files/Core/HttpHandlers/SearchHandler.cs
index 2f69017a93e..072cb6a981a 100644
--- a/products/ASC.Files/Core/HttpHandlers/SearchHandler.cs
+++ b/products/ASC.Files/Core/HttpHandlers/SearchHandler.cs
@@ -72,7 +72,6 @@ public string SearchName
         private FileUtility FileUtility { get; }
         private PathProvider PathProvider { get; }
         private ThirdpartyConfiguration ThirdpartyConfiguration { get; }
-        private IServiceProvider ServiceProvider { get; }
 
         public SearchHandler(
             FileSecurity fileSecurity,
@@ -83,8 +82,7 @@ public SearchHandler(
             FilesLinkUtility filesLinkUtility,
             FileUtility fileUtility,
             PathProvider pathProvider,
-            ThirdpartyConfiguration thirdpartyConfiguration,
-            IServiceProvider serviceProvider)
+            ThirdpartyConfiguration thirdpartyConfiguration)
         {
             FileSecurity = fileSecurity;
             DaoFactory = daoFactory;
@@ -95,7 +93,6 @@ public SearchHandler(
             FileUtility = fileUtility;
             PathProvider = pathProvider;
             ThirdpartyConfiguration = thirdpartyConfiguration;
-            ServiceProvider = serviceProvider;
         }
 
         public IEnumerable<File<int>> SearchFiles(string text)
diff --git a/products/ASC.Files/Core/Model/FileWrapper.cs b/products/ASC.Files/Core/Model/FileWrapper.cs
index ff624d55307..4319979c127 100644
--- a/products/ASC.Files/Core/Model/FileWrapper.cs
+++ b/products/ASC.Files/Core/Model/FileWrapper.cs
@@ -156,8 +156,7 @@ public class FileWrapperHelper : FileEntryWrapperHelper
         private GlobalFolderHelper GlobalFolderHelper { get; }
         private CommonLinkUtility CommonLinkUtility { get; }
         private FilesLinkUtility FilesLinkUtility { get; }
-        private FileUtility FileUtility { get; }
-        private IServiceProvider ServiceProvider { get; }
+        private FileUtility FileUtility { get; }
 
         public FileWrapperHelper(
             ApiDateTimeHelper apiDateTimeHelper,
@@ -168,8 +167,7 @@ public FileWrapperHelper(
             GlobalFolderHelper globalFolderHelper,
             CommonLinkUtility commonLinkUtility,
             FilesLinkUtility filesLinkUtility,
-            FileUtility fileUtility,
-            IServiceProvider serviceProvider)
+            FileUtility fileUtility)
             : base(apiDateTimeHelper, employeeWrapperHelper)
         {
             AuthContext = authContext;
@@ -178,8 +176,7 @@ public FileWrapperHelper(
             GlobalFolderHelper = globalFolderHelper;
             CommonLinkUtility = commonLinkUtility;
             FilesLinkUtility = filesLinkUtility;
-            FileUtility = fileUtility;
-            ServiceProvider = serviceProvider;
+            FileUtility = fileUtility;
         }
 
         public FileWrapper<T> Get<T>(File<T> file, List<Tuple<FileEntry<T>, bool>> folders = null)
diff --git a/products/ASC.Files/Core/Services/DocumentService/Configuration.cs b/products/ASC.Files/Core/Services/DocumentService/Configuration.cs
index f5689265a29..023a4c4b68c 100644
--- a/products/ASC.Files/Core/Services/DocumentService/Configuration.cs
+++ b/products/ASC.Files/Core/Services/DocumentService/Configuration.cs
@@ -245,9 +245,7 @@ public string Folder
         public string Owner
         {
             set { }
-            get {
-                return File.CreateByString; 
-            }
+            get { return File.CreateByString; }
         }
 
         public string Uploaded
diff --git a/products/ASC.Files/Core/Utils/FileShareLink.cs b/products/ASC.Files/Core/Utils/FileShareLink.cs
index 842ee0e743b..f47bf21d3d5 100644
--- a/products/ASC.Files/Core/Utils/FileShareLink.cs
+++ b/products/ASC.Files/Core/Utils/FileShareLink.cs
@@ -24,7 +24,6 @@
 */
 
 
-using System;
 using System.Web;
 
 using ASC.Common;
@@ -46,23 +45,20 @@ public class FileShareLink
         private FilesLinkUtility FilesLinkUtility { get; }
         private BaseCommonLinkUtility BaseCommonLinkUtility { get; }
         private Global Global { get; }
-        private FileSecurity FileSecurity { get; }
-        private IServiceProvider ServiceProvider { get; }
+        private FileSecurity FileSecurity { get; }
 
         public FileShareLink(
             FileUtility fileUtility,
             FilesLinkUtility filesLinkUtility,
             BaseCommonLinkUtility baseCommonLinkUtility,
             Global global,
-            FileSecurity fileSecurity,
-            IServiceProvider serviceProvider)
+            FileSecurity fileSecurity)
         {
             FileUtility = fileUtility;
             FilesLinkUtility = filesLinkUtility;
             BaseCommonLinkUtility = baseCommonLinkUtility;
             Global = global;
-            FileSecurity = fileSecurity;
-            ServiceProvider = serviceProvider;
+            FileSecurity = fileSecurity;
         }
 
         public string GetLink<T>(File<T> file, bool withHash = true)