diff --git a/AssParser.Lib/AssParser.cs b/AssParser.Lib/AssParser.cs
index 91c6095..02f199a 100644
--- a/AssParser.Lib/AssParser.cs
+++ b/AssParser.Lib/AssParser.cs
@@ -1,6 +1,4 @@
-using System.ComponentModel.DataAnnotations;
-using System.IO;
-using System.Text;
+using System.Text;
 
 namespace AssParser.Lib
 {
diff --git a/AssParser.Lib/AssParserException.cs b/AssParser.Lib/AssParserException.cs
index 38a1de7..d30ac71 100644
--- a/AssParser.Lib/AssParserException.cs
+++ b/AssParser.Lib/AssParserException.cs
@@ -1,10 +1,4 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace AssParser.Lib
+namespace AssParser.Lib
 {
     [Serializable]
     public class AssParserException : Exception
diff --git a/AssParser.Lib/AssParserExt.cs b/AssParser.Lib/AssParserExt.cs
index 8f81403..9be1f6b 100644
--- a/AssParser.Lib/AssParserExt.cs
+++ b/AssParser.Lib/AssParserExt.cs
@@ -1,13 +1,5 @@
-using System;
-using System.Collections.Concurrent;
-using System.Collections.Generic;
-using System.ComponentModel;
-using System.Linq;
-using System.Runtime.CompilerServices;
-using System.Security.Cryptography.X509Certificates;
+using System.Collections.Concurrent;
 using System.Text;
-using System.Text.RegularExpressions;
-using System.Threading.Tasks;
 
 namespace AssParser.Lib
 {
diff --git a/AssParser.Lib/AssSubtitleModel.cs b/AssParser.Lib/AssSubtitleModel.cs
index 693d6fa..7e83fa0 100644
--- a/AssParser.Lib/AssSubtitleModel.cs
+++ b/AssParser.Lib/AssSubtitleModel.cs
@@ -1,7 +1,4 @@
-using System.Collections.Specialized;
-using System.Reflection.Metadata.Ecma335;
-
-namespace AssParser.Lib
+namespace AssParser.Lib
 {
     public class AssSubtitleModel
     {
diff --git a/AssParser.Test/AssParserExtTest/AssParserExtTest.cs b/AssParser.Test/AssParserExtTest/AssParserExtTest.cs
index 2ced40e..fbb9509 100644
--- a/AssParser.Test/AssParserExtTest/AssParserExtTest.cs
+++ b/AssParser.Test/AssParserExtTest/AssParserExtTest.cs
@@ -1,9 +1,4 @@
 using AssParser.Lib;
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
 
 namespace AssParser.Test.AssParserExtTest
 {
diff --git a/AssParser.Test/AssParserTest/AssParserTest.cs b/AssParser.Test/AssParserTest/AssParserTest.cs
index 44a5114..cf456e6 100644
--- a/AssParser.Test/AssParserTest/AssParserTest.cs
+++ b/AssParser.Test/AssParserTest/AssParserTest.cs
@@ -1,9 +1,4 @@
 using AssParser.Lib;
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
 
 namespace AssParser.Test.AssParserTest
 {
diff --git a/AssParser.Test/UUEncodeTest/UUEncodeTest.cs b/AssParser.Test/UUEncodeTest/UUEncodeTest.cs
index 005a134..293a213 100644
--- a/AssParser.Test/UUEncodeTest/UUEncodeTest.cs
+++ b/AssParser.Test/UUEncodeTest/UUEncodeTest.cs
@@ -1,5 +1,5 @@
-using System.Text.RegularExpressions;
 using AssParser.Lib;
+using System.Text.RegularExpressions;
 using Xunit.Abstractions;
 
 namespace AssParser.Test.UUEncodeTest
diff --git a/AssParser/ParserBenchmark.cs b/AssParser/ParserBenchmark.cs
index 18221ec..1464877 100644
--- a/AssParser/ParserBenchmark.cs
+++ b/AssParser/ParserBenchmark.cs
@@ -1,11 +1,6 @@
-using BenchmarkDotNet.Attributes;
+using AssParser.Lib;
+using BenchmarkDotNet.Attributes;
 using BenchmarkDotNet.Jobs;
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-using AssParser.Lib;
 
 namespace AssParser
 {
diff --git a/AssParser/Program.cs b/AssParser/Program.cs
index 4c68240..780380e 100644
--- a/AssParser/Program.cs
+++ b/AssParser/Program.cs
@@ -1,6 +1,4 @@
 using AssParser.Lib;
-using BenchmarkDotNet.Running;
-using System.Text;
 
 namespace AssParser
 {