diff --git a/lib/internal/Magento/Framework/App/ObjectManagerFactory.php b/lib/internal/Magento/Framework/App/ObjectManagerFactory.php
index a16795ec6c9a60281b56f0f7f75234baa8ca7cb0..a67304d7986091e03aa4201b2ad513ea533a805c 100644
--- a/lib/internal/Magento/Framework/App/ObjectManagerFactory.php
+++ b/lib/internal/Magento/Framework/App/ObjectManagerFactory.php
@@ -117,11 +117,10 @@ class ObjectManagerFactory
         $arguments = array_merge($deploymentConfig->get(), $arguments);
         $definitionFactory = new \Magento\Framework\ObjectManager\DefinitionFactory(
             $this->driverPool->getDriver(DriverPool::FILE),
-            new \Magento\Framework\Serialize\Serializer\Json(),
             $this->directoryList->getPath(DirectoryList::GENERATION)
         );
 
-        $definitions = $definitionFactory->createClassDefinition($deploymentConfig->get('definitions'));
+        $definitions = $definitionFactory->createClassDefinition();
         $relations = $definitionFactory->createRelations();
 
         /** @var EnvironmentFactory $envFactory */
@@ -287,33 +286,4 @@ class ObjectManagerFactory
         }
         return $configData;
     }
-
-    /**
-     * Crete plugin list object
-     *
-     * @param \Magento\Framework\ObjectManagerInterface $objectManager
-     * @param \Magento\Framework\ObjectManager\RelationsInterface $relations
-     * @param \Magento\Framework\ObjectManager\DefinitionFactory $definitionFactory
-     * @param \Magento\Framework\ObjectManager\Config\Config $diConfig
-     * @param \Magento\Framework\ObjectManager\DefinitionInterface $definitions
-     * @return \Magento\Framework\Interception\PluginList\PluginList
-     */
-    protected function _createPluginList(
-        \Magento\Framework\ObjectManagerInterface $objectManager,
-        \Magento\Framework\ObjectManager\RelationsInterface $relations,
-        \Magento\Framework\ObjectManager\DefinitionFactory $definitionFactory,
-        \Magento\Framework\ObjectManager\Config\Config $diConfig,
-        \Magento\Framework\ObjectManager\DefinitionInterface $definitions
-    ) {
-        return $objectManager->create(
-            \Magento\Framework\Interception\PluginList\PluginList::class,
-            [
-                'relations' => $relations,
-                'definitions' => $definitionFactory->createPluginDefinition(),
-                'omConfig' => $diConfig,
-                'classDefinitions' => $definitions instanceof
-                \Magento\Framework\ObjectManager\Definition\Compiled ? $definitions : null
-            ]
-        );
-    }
 }
diff --git a/lib/internal/Magento/Framework/Interception/Definition/Compiled.php b/lib/internal/Magento/Framework/Interception/Definition/Compiled.php
deleted file mode 100644
index 6fbe9c99dce8637e8c31b9ce493b5b79c45e62c0..0000000000000000000000000000000000000000
--- a/lib/internal/Magento/Framework/Interception/Definition/Compiled.php
+++ /dev/null
@@ -1,39 +0,0 @@
-<?php
-/**
- * Compiled method plugin definitions. Must be used in production for maximum performance
- *
- * Copyright © 2016 Magento. All rights reserved.
- * See COPYING.txt for license details.
- */
-namespace Magento\Framework\Interception\Definition;
-
-use Magento\Framework\Interception\DefinitionInterface;
-
-class Compiled implements DefinitionInterface
-{
-    /**
-     * List of plugin definitions
-     *
-     * @var array
-     */
-    protected $_definitions = [];
-
-    /**
-     * @param array $definitions
-     */
-    public function __construct(array $definitions)
-    {
-        $this->_definitions = $definitions;
-    }
-
-    /**
-     * Retrieve list of methods
-     *
-     * @param string $type
-     * @return string[]
-     */
-    public function getMethodList($type)
-    {
-        return $this->_definitions[$type];
-    }
-}
diff --git a/lib/internal/Magento/Framework/Interception/Test/Unit/Definition/CompiledTest.php b/lib/internal/Magento/Framework/Interception/Test/Unit/Definition/CompiledTest.php
deleted file mode 100644
index a64cd96b62966023daf9d910c58b6a1f526925c6..0000000000000000000000000000000000000000
--- a/lib/internal/Magento/Framework/Interception/Test/Unit/Definition/CompiledTest.php
+++ /dev/null
@@ -1,24 +0,0 @@
-<?php
-/**
- * Copyright © 2016 Magento. All rights reserved.
- * See COPYING.txt for license details.
- */
-namespace Magento\Framework\Interception\Test\Unit\Definition;
-
-class CompiledTest extends \PHPUnit_Framework_TestCase
-{
-    /**
-     * @var array
-     */
-    protected $_definitions = ['type' => 'definitions'];
-
-    /**
-     * @covers \Magento\Framework\Interception\Definition\Compiled::getMethodList
-     * @covers \Magento\Framework\Interception\Definition\Compiled::__construct
-     */
-    public function testGetMethodList()
-    {
-        $model = new \Magento\Framework\Interception\Definition\Compiled($this->_definitions);
-        $this->assertEquals('definitions', $model->getMethodList('type'));
-    }
-}
diff --git a/lib/internal/Magento/Framework/ObjectManager/DefinitionFactory.php b/lib/internal/Magento/Framework/ObjectManager/DefinitionFactory.php
index 7d9c3ea5e0b21fa0a62fef8ce35d2c648387e29c..79d398e3da0792d38f20337cefc3ba1113b56cd4 100644
--- a/lib/internal/Magento/Framework/ObjectManager/DefinitionFactory.php
+++ b/lib/internal/Magento/Framework/ObjectManager/DefinitionFactory.php
@@ -10,7 +10,6 @@ use Magento\Framework\Interception\Code\Generator as InterceptionGenerator;
 use Magento\Framework\ObjectManager\Definition\Runtime;
 use Magento\Framework\ObjectManager\Profiler\Code\Generator as ProfilerGenerator;
 use Magento\Framework\Serialize\SerializerInterface;
-use Magento\Framework\ObjectManager\Definition\Compiled;
 use Magento\Framework\Code\Generator\Autoloader;
 
 /**
@@ -44,39 +43,26 @@ class DefinitionFactory
 
     /**
      * @param DriverInterface $filesystemDriver
-     * @param SerializerInterface $serializer
      * @param string $generationDir
      */
     public function __construct(
         DriverInterface $filesystemDriver,
-        SerializerInterface $serializer,
         $generationDir
     ) {
         $this->_filesystemDriver = $filesystemDriver;
-        $this->serializer = $serializer;
         $this->_generationDir = $generationDir;
     }
 
     /**
      * Create class definitions
      *
-     * @param mixed $definitions
      * @return DefinitionInterface
      */
-    public function createClassDefinition($definitions = false)
+    public function createClassDefinition()
     {
-        if ($definitions) {
-            if (is_string($definitions)) {
-                $definitions = $this->_unpack($definitions);
-            }
-            $result = new Compiled($definitions);
-        } else {
-            $autoloader = new Autoloader($this->getCodeGenerator());
-            spl_autoload_register([$autoloader, 'load']);
-
-            $result = new Runtime();
-        }
-        return $result;
+        $autoloader = new Autoloader($this->getCodeGenerator());
+        spl_autoload_register([$autoloader, 'load']);
+        return new Runtime();
     }
 
     /**
@@ -99,17 +85,6 @@ class DefinitionFactory
         return new \Magento\Framework\ObjectManager\Relations\Runtime();
     }
 
-    /**
-     * Un-compress definitions
-     *
-     * @param string $definitions
-     * @return mixed
-     */
-    protected function _unpack($definitions)
-    {
-        return $this->serializer->unserialize($definitions);
-    }
-
     /**
      * Get existing code generator. Instantiate a new one if it does not exist yet.
      *
diff --git a/lib/internal/Magento/Framework/ObjectManager/Relations/Compiled.php b/lib/internal/Magento/Framework/ObjectManager/Relations/Compiled.php
deleted file mode 100644
index 71455dbf9acd49e7e7c6d93699934a89ede5827a..0000000000000000000000000000000000000000
--- a/lib/internal/Magento/Framework/ObjectManager/Relations/Compiled.php
+++ /dev/null
@@ -1,55 +0,0 @@
-<?php
-/**
- * List of parent classes with their parents and interfaces
- *
- * Copyright © 2016 Magento. All rights reserved.
- * See COPYING.txt for license details.
- */
-namespace Magento\Framework\ObjectManager\Relations;
-
-class Compiled implements \Magento\Framework\ObjectManager\RelationsInterface
-{
-    /**
-     * List of class relations
-     *
-     * @var array
-     */
-    protected $_relations;
-
-    /**
-     * Default relation list
-     *
-     * @var array
-     */
-    protected $_default = [];
-
-    /**
-     * @param array $relations
-     */
-    public function __construct(array $relations)
-    {
-        $this->_relations = $relations;
-    }
-
-    /**
-     * Check whether requested type is available for read
-     *
-     * @param string $type
-     * @return bool
-     */
-    public function has($type)
-    {
-        return isset($this->_relations[$type]);
-    }
-
-    /**
-     * Retrieve parents for class
-     *
-     * @param string $type
-     * @return array
-     */
-    public function getParents($type)
-    {
-        return $this->_relations[$type];
-    }
-}
diff --git a/lib/internal/Magento/Framework/ObjectManager/Test/Unit/Definition/CompiledTest.php b/lib/internal/Magento/Framework/ObjectManager/Test/Unit/Definition/CompiledTest.php
deleted file mode 100644
index 49616e6765874e603baf5d55eea7a641aa6a79b2..0000000000000000000000000000000000000000
--- a/lib/internal/Magento/Framework/ObjectManager/Test/Unit/Definition/CompiledTest.php
+++ /dev/null
@@ -1,68 +0,0 @@
-<?php
-/**
- * Copyright © 2016 Magento. All rights reserved.
- * See COPYING.txt for license details.
- */
-namespace Magento\Framework\ObjectManager\Test\Unit\Definition;
-
-use Magento\Framework\Serialize\SerializerInterface;
-
-class CompiledTest extends \PHPUnit_Framework_TestCase
-{
-    /** @var \Magento\Framework\TestFramework\Unit\Helper\ObjectManager */
-    private $objectManagerHelper;
-
-    protected function setUp()
-    {
-        $this->objectManagerHelper = new \Magento\Framework\TestFramework\Unit\Helper\ObjectManager($this);
-    }
-
-    /**
-     * @param array $signatures
-     * @param array $definitions
-     * @param mixed $expected
-     * @dataProvider getParametersDataProvider
-     */
-    public function testGetParametersWithoutDefinition($signatures, $definitions, $expected)
-    {
-        $model = new \Magento\Framework\ObjectManager\Definition\Compiled([$signatures, $definitions]);
-        $this->assertEquals($expected, $model->getParameters('wonderful'));
-    }
-
-    public function getParametersDataProvider()
-    {
-        $wonderfulSignature = new \stdClass();
-        return [
-            [
-                [],
-                ['wonderful' => null],
-                null,
-            ],
-            [
-                ['wonderfulClass' => $wonderfulSignature],
-                ['wonderful' => 'wonderfulClass'],
-                $wonderfulSignature,
-            ]
-        ];
-    }
-
-    public function testGetParametersWithUnpacking()
-    {
-        $checkString = 'code to pack';
-        $signatures = ['wonderfulClass' => json_encode($checkString)];
-        $definitions = ['wonderful' => 'wonderfulClass'];
-        $object = new \Magento\Framework\ObjectManager\Definition\Compiled([$signatures, $definitions]);
-        $serializerMock = $this->getMock(SerializerInterface::class);
-        $serializerMock->expects($this->once())
-            ->method('unserialize')
-            ->willReturnCallback(function ($data) {
-                return json_decode($data, true);
-            });
-        $this->objectManagerHelper->setBackwardCompatibleProperty(
-            $object,
-            'serializer',
-            $serializerMock
-        );
-        $this->assertEquals($checkString, $object->getParameters('wonderful'));
-    }
-}
diff --git a/lib/internal/Magento/Framework/ObjectManager/Test/Unit/DefinitionFactoryTest.php b/lib/internal/Magento/Framework/ObjectManager/Test/Unit/DefinitionFactoryTest.php
index 8ad1ac13a12cdac1c8ea8ed1d993c0bb258f0809..99db458c11953e32837b795bf5f2f710a4617c8c 100644
--- a/lib/internal/Magento/Framework/ObjectManager/Test/Unit/DefinitionFactoryTest.php
+++ b/lib/internal/Magento/Framework/ObjectManager/Test/Unit/DefinitionFactoryTest.php
@@ -5,11 +5,11 @@
  */
 namespace Magento\Framework\ObjectManager\Test\Unit;
 
-use Magento\Framework\ObjectManager\Definition\Compiled;
-use Magento\Framework\Serialize\SerializerInterface;
 use Magento\Framework\Filesystem\Driver\File;
 use Magento\Framework\ObjectManager\DefinitionFactory;
-use Magento\Framework\ObjectManager\Definition\Runtime;
+use Magento\Framework\ObjectManager\DefinitionInterface;
+use Magento\Framework\Interception\DefinitionInterface as InterceptionDefinitionInterface;
+use Magento\Framework\ObjectManager\RelationsInterface;
 
 class DefinitionFactoryTest extends \PHPUnit_Framework_TestCase
 {
@@ -18,11 +18,6 @@ class DefinitionFactoryTest extends \PHPUnit_Framework_TestCase
      */
     private $filesystemDriverMock;
 
-    /**
-     * @var SerializerInterface|\PHPUnit_Framework_MockObject_MockObject
-     */
-    private $serializerMock;
-
     /**
      * @var DefinitionFactory
      */
@@ -34,43 +29,31 @@ class DefinitionFactoryTest extends \PHPUnit_Framework_TestCase
         $this->serializerMock = $this->getMock(SerializerInterface::class);
         $this->definitionFactory = new DefinitionFactory(
             $this->filesystemDriverMock,
-            $this->serializerMock,
             'generation dir'
         );
     }
 
-    public function testCreateClassDefinitionSerialized()
+    public function testCreateClassDefinition()
     {
-        $serializedDefinitions = 'serialized definitions';
-        $definitions = [[], []];
-        $this->serializerMock->expects($this->once())
-            ->method('unserialize')
-            ->with($serializedDefinitions)
-            ->willReturn($definitions);
         $this->assertInstanceOf(
-            Compiled::class,
-            $this->definitionFactory->createClassDefinition($serializedDefinitions)
+            DefinitionInterface::class,
+            $this->definitionFactory->createClassDefinition()
         );
     }
 
-    public function testCreateClassDefinitionArray()
+    public function testCreatePluginDefinition()
     {
-        $definitions = [[], []];
-        $this->serializerMock->expects($this->never())
-            ->method('unserialize');
         $this->assertInstanceOf(
-            Compiled::class,
-            $this->definitionFactory->createClassDefinition($definitions)
+            InterceptionDefinitionInterface::class,
+            $this->definitionFactory->createPluginDefinition()
         );
     }
 
-    public function testCreateClassDefinition()
+    public function testCreateRelations()
     {
-        $this->serializerMock->expects($this->never())
-            ->method('unserialize');
         $this->assertInstanceOf(
-            Runtime::class,
-            $this->definitionFactory->createClassDefinition()
+            RelationsInterface::class,
+            $this->definitionFactory->createRelations()
         );
     }
 }
diff --git a/lib/internal/Magento/Framework/ObjectManager/Test/Unit/Relations/CompiledTest.php b/lib/internal/Magento/Framework/ObjectManager/Test/Unit/Relations/CompiledTest.php
deleted file mode 100644
index 336a798df100e156895ea5cd20768650909b2722..0000000000000000000000000000000000000000
--- a/lib/internal/Magento/Framework/ObjectManager/Test/Unit/Relations/CompiledTest.php
+++ /dev/null
@@ -1,27 +0,0 @@
-<?php
-/**
- * Copyright © 2016 Magento. All rights reserved.
- * See COPYING.txt for license details.
- */
-
-namespace Magento\Framework\ObjectManager\Test\Unit\Relations;
-
-class CompiledTest extends \PHPUnit_Framework_TestCase
-{
-    public function testHas()
-    {
-        $relations = ['amazing' => 'yes'];
-
-        $model = new \Magento\Framework\ObjectManager\Relations\Compiled($relations);
-        $this->assertEquals(true, $model->has('amazing'));
-        $this->assertEquals(false, $model->has('fuzzy'));
-    }
-
-    public function testGetParents()
-    {
-        $relations = ['amazing' => 'parents'];
-
-        $model = new \Magento\Framework\ObjectManager\Relations\Compiled($relations);
-        $this->assertEquals('parents', $model->getParents('amazing'));
-    }
-}