diff --git a/composer.json b/composer.json
index 0e68db0d..309e7fd3 100644
--- a/composer.json
+++ b/composer.json
@@ -36,7 +36,7 @@
     },
     "autoload-dev": {
         "psr-4": {
-            "Ray\\Aop\\": ["tests/", "src-deprecated", "tests/Fake/", "src-deprecated"]
+            "Ray\\Aop\\": ["tests/", "tests/Fake/"]
         },
         "files": ["tests/Fake/FakeGlobalNamespaced.php", "tests/Fake/FakeGlobalEmptyNamespaced.php"]
     },
diff --git a/src-deprecated/AopClass.php b/src-deprecated/AopClass.php
deleted file mode 100644
index 861b2744..00000000
--- a/src-deprecated/AopClass.php
+++ /dev/null
@@ -1,66 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace Ray\Aop;
-
-use PhpParser\BuilderFactory;
-use PhpParser\Node;
-use PhpParser\Node\Identifier;
-use PhpParser\Node\Name;
-use PhpParser\Node\Stmt;
-use PhpParser\Node\Stmt\Class_;
-use PhpParser\Parser;
-use ReflectionClass;
-use function array_merge;
-use function assert;
-use function class_exists;
-use function strpos;
-use function strrchr;
-use function substr;
-
-/** @deprecated  */
-final class AopClass
-{
-    /** @var CodeGenMethod */
-    private $codeGenMethod;
-
-    /** @var AopClassName */
-    private $aopClassName;
-
-    /** @var Node */
-    private $traitStmt;
-
-    public function __construct(
-        Parser $parser,
-        BuilderFactory $factory,
-        AopClassName $aopClassName
-    ) {
-        $this->aopClassName = $aopClassName;
-        $this->codeGenMethod = new CodeGenMethod($parser, $factory);
-        $this->traitStmt = $factory->useTrait('\Ray\Aop\InterceptTrait')->getNode();
-    }
-
-    /**
-     * {@inheritDoc}
-     *
-     * @param ReflectionClass<object> $sourceClass
-     */
-    public function __invoke(CodeVisitor $visitor, ReflectionClass $sourceClass, BindInterface $bind): Class_
-    {
-        assert($visitor->class instanceof Class_);
-        $methods = $this->codeGenMethod->getMethods($sourceClass, $bind, $visitor);
-        $classStm = $visitor->class;
-        assert(class_exists($sourceClass->name));
-        $newClassName = ($this->aopClassName)($sourceClass->name, (string) $bind);
-        $shortClassName = strpos($newClassName, '\\') === false ? $newClassName : substr((string) strrchr($newClassName, '\\'), 1);
-        $classStm->name = new Identifier($shortClassName);
-        $classStm->extends = new Name('\\' . $sourceClass->name);
-        $classStm->implements[] = new Name('\Ray\Aop\WeavedInterface');
-        /** @var Stmt $stmts */
-        $stmts = array_merge([$this->traitStmt], $methods);
-        $classStm->stmts = $stmts;
-
-        return $classStm;
-    }
-}
diff --git a/src-deprecated/AopClassName.php b/src-deprecated/AopClassName.php
deleted file mode 100644
index f86a7460..00000000
--- a/src-deprecated/AopClassName.php
+++ /dev/null
@@ -1,29 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace Ray\Aop;
-
-use function crc32;
-use function filemtime;
-use function sprintf;
-
-/** @deprecated  */
-final class AopClassName
-{
-    /** @var string */
-    private $classDir;
-
-    public function __construct(string $classDir)
-    {
-        $this->classDir = $classDir;
-    }
-
-    /** @param class-string $class */
-    public function __invoke(string $class, string $bindings): string
-    {
-        $fileTime = filemtime((string) (new ReflectionClass($class))->getFileName());
-
-        return sprintf('%s_%s', $class, crc32($fileTime . $bindings . $this->classDir));
-    }
-}
diff --git a/src-deprecated/CallIntercept.php b/src-deprecated/CallIntercept.php
deleted file mode 100644
index 6b30966a..00000000
--- a/src-deprecated/CallIntercept.php
+++ /dev/null
@@ -1,48 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace Ray\Aop;
-
-use PhpParser\BuilderFactory;
-use PhpParser\Node\Identifier;
-use PhpParser\Node\Stmt\Expression;
-use PhpParser\Node\Stmt\Return_;
-use PhpParser\NodeAbstract;
-
-final class
-CallIntercept
-{
-    /**
-     * $this->_intercept(func_get_args(), __FUNCTION__);
-     *
-     * @var Expression
-     */
-    private $expression;
-
-    /**
-     * return $this->_intercept(func_get_args(), __FUNCTION__);
-     *
-     * @var Return_
-     */
-    private $return;
-
-    public function __construct(BuilderFactory $factory)
-    {
-        $methodCall = $factory->methodCall(
-            $factory->var('this'),
-            '_intercept',
-            [$factory->funcCall('func_get_args'), $factory->constFetch('__FUNCTION__')]
-        );
-        $this->expression = new Expression($methodCall);
-        $this->return = new Return_($methodCall);
-    }
-
-    /** @return Return_|Return_ */
-    public function getStmts(?NodeAbstract $returnType): array
-    {
-        $isVoid = $returnType instanceof Identifier && ($returnType->name === 'void' || $returnType->name === 'never');
-
-        return $isVoid ? [$this->expression] : [$this->return];
-    }
-}
diff --git a/src-deprecated/Code.php b/src-deprecated/Code.php
deleted file mode 100644
index 0cc995d7..00000000
--- a/src-deprecated/Code.php
+++ /dev/null
@@ -1,45 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace Ray\Aop;
-
-use PhpParser\Node;
-use PhpParser\PrettyPrinter\Standard;
-use Ray\Aop\Exception\NotWritableException;
-use function dirname;
-use function file_put_contents;
-use function is_string;
-use function rename;
-use function sprintf;
-use function tempnam;
-use function unlink;
-use const PHP_EOL;
-
-/** @deprecated  */
-final class Code
-{
-    /** @var string */
-    public $code;
-
-    /** @param array<Node> $stmt */
-    public function __construct(array $stmt)
-    {
-        $this->code = (new Standard(['shortArraySyntax' => true]))->prettyPrintFile($stmt) . PHP_EOL;
-    }
-
-    public function save(string $filename): string
-    {
-        $tmpFile = tempnam(dirname($filename), 'swap');
-        if (is_string($tmpFile) && file_put_contents($tmpFile, $this->code) && rename($tmpFile, $filename)) {
-            return $filename;
-        }
-
-        // @codeCoverageIgnoreStart
-        @unlink((string) $tmpFile);
-
-        throw new NotWritableException(sprintf('swap: %s, file: %s', $tmpFile, $filename));
-
-        // @codeCoverageIgnoreEnd
-    }
-}
diff --git a/src-deprecated/CodeGen.php b/src-deprecated/CodeGen.php
deleted file mode 100644
index 48fbd9fe..00000000
--- a/src-deprecated/CodeGen.php
+++ /dev/null
@@ -1,60 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace Ray\Aop;
-
-use PhpParser\BuilderFactory;
-use ReflectionClass;
-use function array_merge;
-use function implode;
-
-/** @deprecated  */
-final class CodeGen implements CodeGenInterface
-{
-    /** @var BuilderFactory */
-    private $factory;
-
-    /** @var VisitorFactory */
-    private $visitoryFactory;
-
-    /** @var AopClass  */
-    private $aopClass;
-
-    public function __construct(
-        BuilderFactory $factory,
-        VisitorFactory $visitorFactory,
-        AopClass $aopClass
-    ) {
-        $this->factory = $factory;
-        $this->visitoryFactory = $visitorFactory;
-        $this->aopClass = $aopClass;
-    }
-
-    /**
-     * {@inheritDoc}
-     *
-     * @param ReflectionClass<object> $sourceClass
-     */
-    public function generate(ReflectionClass $sourceClass, BindInterface $bind): Code
-    {
-        $visitor = ($this->visitoryFactory)($sourceClass);
-        $classStm = ($this->aopClass)($visitor, $sourceClass, $bind);
-        $ns = $this->getNamespace($visitor);
-        $stmt = $this->factory->namespace($ns)
-            ->addStmts($visitor->use)
-            ->addStmt($classStm)
-            ->getNode();
-
-        return new Code(array_merge($visitor->declare, [$stmt]));
-    }
-
-    /** @return string|null */
-    private function getNamespace(CodeVisitor $source)
-    {
-        $parts = isset($source->namespace->name) ?  $source->namespace->name->getParts() : [];
-        $ns = implode('\\', $parts);
-
-        return $ns ? $ns : null;
-    }
-}
diff --git a/src-deprecated/CodeGenInterface.php b/src-deprecated/CodeGenInterface.php
deleted file mode 100644
index d93d70d2..00000000
--- a/src-deprecated/CodeGenInterface.php
+++ /dev/null
@@ -1,14 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace Ray\Aop;
-
-use ReflectionClass;
-
-/** @deprecated  */
-interface CodeGenInterface
-{
-    /** @param ReflectionClass<object> $sourceClass */
-    public function generate(ReflectionClass $sourceClass, BindInterface $bind): Code;
-}
diff --git a/src-deprecated/CodeGenMethod.php b/src-deprecated/CodeGenMethod.php
deleted file mode 100644
index 048ca3f3..00000000
--- a/src-deprecated/CodeGenMethod.php
+++ /dev/null
@@ -1,84 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace Ray\Aop;
-
-use PhpParser\BuilderFactory;
-use PhpParser\Node\Stmt\ClassMethod;
-use PhpParser\Node\Stmt\Nop;
-use PhpParser\Parser;
-use Ray\Aop\Exception\InvalidSourceClassException;
-use ReflectionClass;
-use ReflectionMethod;
-use function array_keys;
-use function in_array;
-
-/**
- * @SuppressWarnings(PHPMD.CouplingBetweenObjects)
- * @deprecated
- */
-final class CodeGenMethod
-{
-    /** @var VisitorFactory */
-    private $visitorFactory;
-
-    /** @var CallIntercept */
-    private $callIntercept;
-
-    public function __construct(
-        Parser $parser,
-        BuilderFactory $factory
-    ) {
-        $this->visitorFactory = new VisitorFactory($parser);
-        $this->callIntercept = new CallIntercept($factory);
-    }
-
-    /**
-     * @param ReflectionClass<object> $reflectionClass
-     *
-     * @return array<ClassMethod|Nop>
-     */
-    public function getMethods(ReflectionClass $reflectionClass, BindInterface $bind, CodeVisitor $code): array
-    {
-        $bindingMethods = array_keys($bind->getBindings());
-        $reflectionMethods = $reflectionClass->getMethods(ReflectionMethod::IS_PUBLIC);
-        $methods = [];
-        foreach ($reflectionMethods as $reflectionMethod) {
-            $methodName = $reflectionMethod->getName();
-            $isBindingMethod = in_array($methodName, $bindingMethods, true);
-            if ($isBindingMethod) {
-                $classMethod = $this->getClassMethod($reflectionClass, $reflectionMethod, $code);
-                // replace statements in the method
-                $classMethod->stmts = $this->callIntercept->getStmts($classMethod->getReturnType());
-                $methods[] = new Nop();
-                $methods[] = $classMethod;
-            }
-        }
-
-        return $methods;
-    }
-
-    /** @param ReflectionClass<object> $sourceClass */
-    private function getClassMethod(
-        ReflectionClass $sourceClass,
-        ReflectionMethod $bindingMethod,
-        CodeVisitor $code
-    ): ClassMethod {
-        $bindingMethodName = $bindingMethod->getName();
-        foreach ($code->classMethod as $classMethod) {
-            if ($classMethod->name->name === $bindingMethodName) {
-                return $classMethod;
-            }
-        }
-
-        $parentClass = $sourceClass->getParentClass();
-        if ($parentClass === false) {
-            throw new InvalidSourceClassException($sourceClass->getName()); // @codeCoverageIgnore
-        }
-
-        $code = ($this->visitorFactory)($parentClass);
-
-        return $this->getClassMethod($parentClass, $bindingMethod, $code);
-    }
-}
diff --git a/src-deprecated/CodeVisitor.php b/src-deprecated/CodeVisitor.php
deleted file mode 100644
index 5c2f598b..00000000
--- a/src-deprecated/CodeVisitor.php
+++ /dev/null
@@ -1,91 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace Ray\Aop;
-
-use PhpParser\Node;
-use PhpParser\Node\Stmt\Class_;
-use PhpParser\Node\Stmt\ClassMethod;
-use PhpParser\Node\Stmt\Declare_;
-use PhpParser\Node\Stmt\Namespace_;
-use PhpParser\Node\Stmt\Use_;
-use PhpParser\NodeVisitorAbstract;
-use Ray\Aop\Exception\MultipleClassInOneFileException;
-use function implode;
-
-/** @deprecated  */
-final class CodeVisitor extends NodeVisitorAbstract
-{
-    /** @var ?Namespace_ */
-    public $namespace;
-
-    /** @var Declare_[] */
-    public $declare = [];
-
-    /** @var Use_[] */
-    public $use = [];
-
-    /** @var Class_|null */
-    public $class;
-
-    /** @var ClassMethod[] */
-    public $classMethod = [];
-
-    /** @return null */
-    public function enterNode(Node $node)
-    {
-        if ($node instanceof Declare_) {
-            $this->declare[] = $node;
-
-            return null;
-        }
-
-        if ($node instanceof Use_) {
-            $this->addUse($node);
-
-            return null;
-        }
-
-        if ($node instanceof Namespace_) {
-            $this->namespace = $node;
-
-            return null;
-        }
-
-        return $this->enterNodeClass($node);
-    }
-
-    private function validateClass(Class_ $class): void
-    {
-        $isClassAlreadyDeclared = $this->class instanceof Class_;
-        if ($isClassAlreadyDeclared) {
-            $name = $class->name instanceof Node\Identifier ? $class->name->name : '';
-
-            throw new MultipleClassInOneFileException($name);
-        }
-    }
-
-    /** @return null */
-    private function enterNodeClass(Node $node)
-    {
-        if ($node instanceof Class_ && $node->name !== null) {
-            $this->validateClass($node);
-            $this->class = $node;
-
-            return null;
-        }
-
-        if ($node instanceof ClassMethod) {
-            $this->classMethod[] = $node;
-        }
-
-        return null;
-    }
-
-    private function addUse(Use_ $use): void
-    {
-        $index = implode('\\', $use->uses[0]->name->getParts());
-        $this->use[$index] = $use;
-    }
-}
diff --git a/src-deprecated/ParserFactory.php b/src-deprecated/ParserFactory.php
deleted file mode 100644
index 3f341290..00000000
--- a/src-deprecated/ParserFactory.php
+++ /dev/null
@@ -1,17 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace Ray\Aop;
-
-use PhpParser\Parser;
-use PhpParser\ParserFactory as PhpParserFactory;
-
-/** @deprecated  */
-class ParserFactory
-{
-    public function newInstance(): Parser
-    {
-        return (new PhpParserFactory())->create(PhpParserFactory::PREFER_PHP7);
-    }
-}
diff --git a/src-deprecated/README.md b/src-deprecated/README.md
deleted file mode 100644
index 3a7914ba..00000000
--- a/src-deprecated/README.md
+++ /dev/null
@@ -1,7 +0,0 @@
-もしこれらのクラスが本当に必要ならcomposer.jsonの `"autoload": {"psr-4":` のセクションに以下のコードを追加してください。
-
-```json
-"psr-4": {
-            "Ray\\Aop\\": ["vendor/ray/aop/src-deprecated"]
-        },
-```
\ No newline at end of file
diff --git a/src-deprecated/VisitorFactory.php b/src-deprecated/VisitorFactory.php
deleted file mode 100644
index 49c62860..00000000
--- a/src-deprecated/VisitorFactory.php
+++ /dev/null
@@ -1,54 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace Ray\Aop;
-
-use PhpParser\NodeTraverser;
-use PhpParser\NodeVisitor\NameResolver;
-use PhpParser\Parser;
-use Ray\Aop\Exception\InvalidSourceClassException;
-use ReflectionClass;
-use RuntimeException;
-use function file_get_contents;
-use function get_class;
-use function is_array;
-use function is_bool;
-
-/** @deprecated  */
-final class VisitorFactory
-{
-    /** @var Parser */
-    private $parser;
-
-    public function __construct(Parser $parser)
-    {
-        $this->parser = $parser;
-    }
-
-    /** @param ReflectionClass<object> $class */
-    public function __invoke(ReflectionClass $class): CodeVisitor
-    {
-        $traverser = new NodeTraverser();
-        $nameResolver = new NameResolver();
-        $visitor = new CodeVisitor();
-        $traverser->addVisitor($nameResolver);
-        $traverser->addVisitor($visitor);
-        $fileName = $class->getFileName();
-        if (is_bool($fileName)) {
-            throw new InvalidSourceClassException(get_class($class));
-        }
-
-        $file = file_get_contents($fileName);
-        if ($file === false) {
-            throw new RuntimeException($fileName); // @codeCoverageIgnore
-        }
-
-        $stmts = $this->parser->parse($file);
-        if (is_array($stmts)) {
-            $traverser->traverse($stmts);
-        }
-
-        return $visitor;
-    }
-}