diff --git a/app/code/Magento/Braintree/Gateway/Response/CardDetailsHandler.php b/app/code/Magento/Braintree/Gateway/Response/CardDetailsHandler.php
index c7c8e408a9384..326568fce35b8 100644
--- a/app/code/Magento/Braintree/Gateway/Response/CardDetailsHandler.php
+++ b/app/code/Magento/Braintree/Gateway/Response/CardDetailsHandler.php
@@ -5,7 +5,6 @@
  */
 namespace Magento\Braintree\Gateway\Response;
 
-use \Braintree\Transaction;
 use Magento\Braintree\Gateway\Config\Config;
 use Magento\Payment\Gateway\Helper\ContextHelper;
 use Magento\Sales\Api\Data\OrderPaymentInterface;
diff --git a/app/code/Magento/Bundle/Ui/DataProvider/Product/Form/Modifier/BundlePanel.php b/app/code/Magento/Bundle/Ui/DataProvider/Product/Form/Modifier/BundlePanel.php
index 95534bd114b49..49931150441ec 100644
--- a/app/code/Magento/Bundle/Ui/DataProvider/Product/Form/Modifier/BundlePanel.php
+++ b/app/code/Magento/Bundle/Ui/DataProvider/Product/Form/Modifier/BundlePanel.php
@@ -11,7 +11,6 @@
 use Magento\Bundle\Model\Product\Attribute\Source\Shipment\Type as ShipmentType;
 use Magento\Framework\Stdlib\ArrayManager;
 use Magento\Ui\Component\Container;
-use Magento\Ui\Component\DynamicRows;
 use Magento\Ui\Component\Form;
 use Magento\Ui\Component\Modal;
 use Magento\Catalog\Api\Data\ProductAttributeInterface;
diff --git a/app/code/Magento/Catalog/Model/Product.php b/app/code/Magento/Catalog/Model/Product.php
index ab2f666d30f4c..683ea9b42a101 100644
--- a/app/code/Magento/Catalog/Model/Product.php
+++ b/app/code/Magento/Catalog/Model/Product.php
@@ -14,7 +14,6 @@
 use Magento\Framework\Pricing\SaleableInterface;
 use Magento\Catalog\Api\Data\ProductAttributeMediaGalleryEntryInterface;
 use Magento\Catalog\Model\Product\Attribute\Backend\Media\EntryConverterPool;
-use Magento\Catalog\Api\Data\ProductAttributeMediaGalleryEntryExtensionFactory;
 
 /**
  * Catalog product model
diff --git a/app/code/Magento/Checkout/Model/Type/Onepage.php b/app/code/Magento/Checkout/Model/Type/Onepage.php
index e07a16f8c1ba0..416e3a9997ade 100644
--- a/app/code/Magento/Checkout/Model/Type/Onepage.php
+++ b/app/code/Magento/Checkout/Model/Type/Onepage.php
@@ -6,7 +6,6 @@
 namespace Magento\Checkout\Model\Type;
 
 use Magento\Customer\Api\AccountManagementInterface;
-use Magento\Customer\Api\AddressMetadataInterface as AddressMetadata;
 use Magento\Customer\Api\AddressRepositoryInterface;
 use Magento\Customer\Api\CustomerRepositoryInterface;
 use Magento\Customer\Api\Data\CustomerInterfaceFactory as CustomerDataFactory;
diff --git a/app/code/Magento/ConfigurableProduct/Controller/Adminhtml/Product/Attribute/CreateOptions.php b/app/code/Magento/ConfigurableProduct/Controller/Adminhtml/Product/Attribute/CreateOptions.php
index 1fbb262f3f645..d94369429452b 100644
--- a/app/code/Magento/ConfigurableProduct/Controller/Adminhtml/Product/Attribute/CreateOptions.php
+++ b/app/code/Magento/ConfigurableProduct/Controller/Adminhtml/Product/Attribute/CreateOptions.php
@@ -7,7 +7,6 @@
 namespace Magento\ConfigurableProduct\Controller\Adminhtml\Product\Attribute;
 
 use Magento\Backend\App\Action;
-use Magento\Catalog\Controller\Adminhtml\Product;
 use Magento\Catalog\Model\ResourceModel\Eav\AttributeFactory;
 
 class CreateOptions extends Action
diff --git a/app/code/Magento/Quote/Model/Quote.php b/app/code/Magento/Quote/Model/Quote.php
index c467309a2d2c9..e2041752f956f 100644
--- a/app/code/Magento/Quote/Model/Quote.php
+++ b/app/code/Magento/Quote/Model/Quote.php
@@ -10,7 +10,6 @@
 use Magento\Framework\Model\AbstractExtensibleModel;
 use Magento\Quote\Api\Data\PaymentInterface;
 use Magento\Quote\Model\Quote\Address;
-use Magento\Sales\Model\ResourceModel;
 use Magento\Sales\Model\Status;
 use Magento\Framework\Api\AttributeValueFactory;
 use Magento\Framework\Api\ExtensionAttribute\JoinProcessorInterface;
diff --git a/app/code/Magento/Sales/Model/ResourceModel/AbstractGrid.php b/app/code/Magento/Sales/Model/ResourceModel/AbstractGrid.php
index 9da95269ca418..7d88385cfc605 100644
--- a/app/code/Magento/Sales/Model/ResourceModel/AbstractGrid.php
+++ b/app/code/Magento/Sales/Model/ResourceModel/AbstractGrid.php
@@ -5,7 +5,6 @@
  */
 namespace Magento\Sales\Model\ResourceModel;
 
-use Magento\Framework\App\ResourceConnection as AppResource;
 use Magento\Framework\DB\Adapter\AdapterInterface;
 use Magento\Framework\Model\ResourceModel\Db\AbstractDb;
 
diff --git a/app/code/Magento/Sales/Test/Unit/Model/OrderRepositoryTest.php b/app/code/Magento/Sales/Test/Unit/Model/OrderRepositoryTest.php
index fe82efe889515..4732cca64eec7 100644
--- a/app/code/Magento/Sales/Test/Unit/Model/OrderRepositoryTest.php
+++ b/app/code/Magento/Sales/Test/Unit/Model/OrderRepositoryTest.php
@@ -10,7 +10,6 @@
 use Magento\Sales\Model\OrderRepository;
 use Magento\Sales\Model\ResourceModel\Metadata;
 use Magento\Sales\Api\Data\OrderSearchResultInterfaceFactory as SearchResultFactory;
-use Magento\Framework\Api\SortOrder;
 
 /**
  * Class OrderRepositoryTest
diff --git a/app/code/Magento/Ui/Component/Control/SplitButton.php b/app/code/Magento/Ui/Component/Control/SplitButton.php
index e07eb6a5f4fff..82b46eee9c59a 100644
--- a/app/code/Magento/Ui/Component/Control/SplitButton.php
+++ b/app/code/Magento/Ui/Component/Control/SplitButton.php
@@ -5,8 +5,6 @@
  */
 namespace Magento\Ui\Component\Control;
 
-use Magento\Framework\View\Element\Template;
-
 /**
  * Class SplitButton
  *
diff --git a/app/code/Magento/Webapi/Model/Rest/Swagger/Generator.php b/app/code/Magento/Webapi/Model/Rest/Swagger/Generator.php
index 037055e4bf24f..9f56185005b8f 100644
--- a/app/code/Magento/Webapi/Model/Rest/Swagger/Generator.php
+++ b/app/code/Magento/Webapi/Model/Rest/Swagger/Generator.php
@@ -17,7 +17,6 @@
 use Magento\Framework\Exception\AuthorizationException;
 use Magento\Framework\Exception\LocalizedException;
 use Magento\Framework\Exception\NoSuchEntityException;
-use Magento\Framework\Phrase;
 use Magento\Framework\App\ProductMetadataInterface;
 use \Magento\Framework\Api\SimpleDataObjectConverter;
 
diff --git a/lib/internal/Magento/Framework/Config/Theme.php b/lib/internal/Magento/Framework/Config/Theme.php
index 1ab2271735e42..96b3f1b2f47a3 100644
--- a/lib/internal/Magento/Framework/Config/Theme.php
+++ b/lib/internal/Magento/Framework/Config/Theme.php
@@ -9,8 +9,6 @@
  */
 namespace Magento\Framework\Config;
 
-use Magento\Framework\Config\Composer\Package;
-
 class Theme
 {
     /**