diff --git a/src/NAppUpdate.Framework/Conditions/FileChecksumCondition.cs b/src/NAppUpdate.Framework/Conditions/FileChecksumCondition.cs
index 8632e451..7311ef23 100644
--- a/src/NAppUpdate.Framework/Conditions/FileChecksumCondition.cs
+++ b/src/NAppUpdate.Framework/Conditions/FileChecksumCondition.cs
@@ -2,6 +2,7 @@
 using System.IO;
 using NAppUpdate.Framework.Common;
 using NAppUpdate.Framework.Tasks;
+using NAppUpdate.Framework.Utils;
 
 namespace NAppUpdate.Framework.Conditions
 {
@@ -33,7 +34,7 @@ public bool IsMet(IUpdateTask task)
 
 			if ("sha256".Equals(ChecksumType, StringComparison.InvariantCultureIgnoreCase))
 			{
-				var sha256 = Utils.FileChecksum.GetSHA256Checksum(localPath);
+				var sha256 = FileChecksum.GetSHA256Checksum(localPath);
 				if (!string.IsNullOrEmpty(sha256) && sha256.Equals(Checksum, StringComparison.InvariantCultureIgnoreCase))
 					return true;
 			}
diff --git a/src/NAppUpdate.Framework/Tasks/FileUpdateTask.cs b/src/NAppUpdate.Framework/Tasks/FileUpdateTask.cs
index 2701dbe6..3830f2bf 100644
--- a/src/NAppUpdate.Framework/Tasks/FileUpdateTask.cs
+++ b/src/NAppUpdate.Framework/Tasks/FileUpdateTask.cs
@@ -1,7 +1,5 @@
 using System;
 using System.IO;
-using System.Security.AccessControl;
-using System.Security.Principal;
 using System.Threading;
 using NAppUpdate.Framework.Common;
 using NAppUpdate.Framework.Utils;
@@ -60,7 +58,7 @@ public override void Prepare(Sources.IUpdateSource source)
 
 			if (!string.IsNullOrEmpty(Sha256Checksum))
 			{
-				string checksum = Utils.FileChecksum.GetSHA256Checksum(_tempFile);
+				string checksum = FileChecksum.GetSHA256Checksum(_tempFile);
 				if (!checksum.Equals(Sha256Checksum))
 					throw new UpdateProcessFailedException(string.Format("FileUpdateTask: Checksums do not match; expected {0} but got {1}", Sha256Checksum, checksum));
 			}
@@ -78,7 +76,6 @@ public override TaskExecutionStatus Execute(bool coldRun)
 			}
 
 			var dirName = Path.GetDirectoryName(_destinationFile);
-
 			if (!Directory.Exists(dirName))
 			{
 				Utils.FileSystem.CreateDirectoryStructure(dirName, false);
@@ -92,7 +89,6 @@ public override TaskExecutionStatus Execute(bool coldRun)
 					string backupPath = Path.GetDirectoryName(Path.Combine(UpdateManager.Instance.Config.BackupFolder, LocalPath));
 					Utils.FileSystem.CreateDirectoryStructure(backupPath, false);
 				}
-
 				_backupFile = Path.Combine(UpdateManager.Instance.Config.BackupFolder, LocalPath);
 				File.Copy(_destinationFile, _backupFile, true);
 			}
@@ -118,12 +114,11 @@ public override TaskExecutionStatus Execute(bool coldRun)
 				try
 				{
 					if (File.Exists(_destinationFile))
-					{
-						FileSystem.CopyAccessControl(new FileInfo(_destinationFile), new FileInfo(_tempFile));
+					{
+						FileSystem.CopyAccessControl(new FileInfo(_destinationFile), new FileInfo(_tempFile));
 
 						File.Delete(_destinationFile);
 					}
-
 					File.Move(_tempFile, _destinationFile);
 					_tempFile = null;
 				}
@@ -150,8 +145,7 @@ public override TaskExecutionStatus Execute(bool coldRun)
 				return TaskExecutionStatus.RequiresPrivilegedAppRestart;
 			}
 			return TaskExecutionStatus.RequiresAppRestart;
-		}
-
+		}
 
 		public override bool Rollback()
 		{
@@ -165,7 +159,6 @@ public override bool Rollback()
 
 			return true;
 		}
-
 		/// <summary>
 		/// To mitigate problems with the files being locked even though the application mutex has been released.
 		/// https://github.com/synhershko/NAppUpdate/issues/35
diff --git a/src/NAppUpdate.Framework/Utils/FileChecksum.cs b/src/NAppUpdate.Framework/Utils/FileChecksum.cs
index 5c49cd07..b7503217 100644
--- a/src/NAppUpdate.Framework/Utils/FileChecksum.cs
+++ b/src/NAppUpdate.Framework/Utils/FileChecksum.cs
@@ -14,7 +14,7 @@ public static string GetSHA256Checksum(string filePath)
 			{
 				SHA256Managed sha = new SHA256Managed();
 				byte[] checksum = sha.ComputeHash(stream);
-				return BitConverter.ToString(checksum).Replace("-", String.Empty);
+				return BitConverter.ToString(checksum).Replace("-", string.Empty);
 			}
 		}