diff --git a/src/SimpleStateMachine.StructuralSearch.Tests/PlaceholderParserTests.cs b/src/SimpleStateMachine.StructuralSearch.Tests/PlaceholderParserTests.cs
index 019e215..66d5931 100644
--- a/src/SimpleStateMachine.StructuralSearch.Tests/PlaceholderParserTests.cs
+++ b/src/SimpleStateMachine.StructuralSearch.Tests/PlaceholderParserTests.cs
@@ -1,5 +1,4 @@
 using System.Linq;
-using Pidgin;
 using Xunit;
 
 namespace SimpleStateMachine.StructuralSearch.Tests;
diff --git a/src/SimpleStateMachine.StructuralSearch/Helper/StringHelper.cs b/src/SimpleStateMachine.StructuralSearch/Helper/StringHelper.cs
index 647c0f1..5e3fda0 100644
--- a/src/SimpleStateMachine.StructuralSearch/Helper/StringHelper.cs
+++ b/src/SimpleStateMachine.StructuralSearch/Helper/StringHelper.cs
@@ -1,5 +1,4 @@
-using System.Linq;
-using System.Text;
+using System.Text;
 
 namespace SimpleStateMachine.StructuralSearch.Helper;
 
diff --git a/src/SimpleStateMachine.StructuralSearch/Parsers/ParserWithContext.cs b/src/SimpleStateMachine.StructuralSearch/Parsers/ParserWithContext.cs
index 4bb6111..7893b5d 100644
--- a/src/SimpleStateMachine.StructuralSearch/Parsers/ParserWithContext.cs
+++ b/src/SimpleStateMachine.StructuralSearch/Parsers/ParserWithContext.cs
@@ -1,6 +1,4 @@
-using Pidgin;
-
-namespace SimpleStateMachine.StructuralSearch;
+namespace SimpleStateMachine.StructuralSearch;
 
 // public abstract class ParserWithContext<TToken, T> : Parser<TToken, T>
 // {
diff --git a/src/SimpleStateMachine.StructuralSearch/Rules/ReplaceRule/ChangeBinaryParameter.cs b/src/SimpleStateMachine.StructuralSearch/Rules/ReplaceRule/ChangeBinaryParameter.cs
deleted file mode 100644
index 25aa22d..0000000
--- a/src/SimpleStateMachine.StructuralSearch/Rules/ReplaceRule/ChangeBinaryParameter.cs
+++ /dev/null
@@ -1,34 +0,0 @@
-using System;
-using SimpleStateMachine.StructuralSearch.Helper;
-using SimpleStateMachine.StructuralSearch.Rules;
-
-namespace SimpleStateMachine.StructuralSearch;
-
-public class ChangeBinaryParameter : IRuleParameter
-{
-    private readonly IRuleParameter _parameter;
-    private readonly ChangeType _type;
-
-    public ChangeBinaryParameter(IRuleParameter parameter, ChangeType type)
-    {
-        _parameter = parameter;
-        _type = type;
-    }
-
-    public string GetValue(ref IParsingContext context)
-    {
-        var value = _parameter.GetValue(ref context);
-        return _type switch
-        {
-            ChangeType.Trim => value.Trim(),
-            ChangeType.TrimEnd => value.TrimEnd(),
-            ChangeType.TrimStart => value.TrimStart(),
-            ChangeType.ToUpper => value.ToUpper(),
-            ChangeType.ToLower => value.ToLower(),
-            _ => throw new ArgumentOutOfRangeException(nameof(_type).FormatPrivateVar(), _type, null)
-        };
-    }
-        
-    public override string ToString() 
-        => $"{_parameter}{Constant.Dote}{_type}";
-}
\ No newline at end of file
diff --git a/src/SimpleStateMachine.StructuralSearch/StructuralSearch/StructuralSearch.cs b/src/SimpleStateMachine.StructuralSearch/StructuralSearch/StructuralSearch.cs
index 22101cb..f03c22d 100644
--- a/src/SimpleStateMachine.StructuralSearch/StructuralSearch/StructuralSearch.cs
+++ b/src/SimpleStateMachine.StructuralSearch/StructuralSearch/StructuralSearch.cs
@@ -1,5 +1,4 @@
-using System.Diagnostics.CodeAnalysis;
-using SimpleStateMachine.StructuralSearch.ReplaceTemplate;
+using SimpleStateMachine.StructuralSearch.ReplaceTemplate;
 using SimpleStateMachine.StructuralSearch.Rules;
 
 namespace SimpleStateMachine.StructuralSearch
diff --git a/src/SimpleStateMachine.StructuralSearch/StructuralSearchParser.cs b/src/SimpleStateMachine.StructuralSearch/StructuralSearchParser.cs
index 8bafc06..a5fb0c2 100644
--- a/src/SimpleStateMachine.StructuralSearch/StructuralSearchParser.cs
+++ b/src/SimpleStateMachine.StructuralSearch/StructuralSearchParser.cs
@@ -1,6 +1,5 @@
 
 using System.Collections.Generic;
-using System.Diagnostics.CodeAnalysis;
 using System.Linq;
 using SimpleStateMachine.StructuralSearch.Configurations;
 using SimpleStateMachine.StructuralSearch.Extensions;