diff --git a/app/code/Magento/Catalog/etc/adminhtml/di.xml b/app/code/Magento/Catalog/etc/adminhtml/di.xml
index fddc01ac4c189..c04cfb2dce00a 100644
--- a/app/code/Magento/Catalog/etc/adminhtml/di.xml
+++ b/app/code/Magento/Catalog/etc/adminhtml/di.xml
@@ -78,7 +78,7 @@
     <type name="Magento\Catalog\Model\ResourceModel\Attribute">
         <plugin name="invalidate_pagecache_after_attribute_save" type="Magento\Catalog\Plugin\Model\ResourceModel\Attribute\Save" />
     </type>
-    <virtualType name="\Magento\Catalog\Ui\DataProvider\Product\ProductCollectionFactory" type="\Magento\Catalog\Model\ResourceModel\Product\CollectionFactory">
+    <virtualType name="Magento\Catalog\Ui\DataProvider\Product\ProductCollectionFactory" type="Magento\Catalog\Model\ResourceModel\Product\CollectionFactory">
         <arguments>
             <argument name="instanceName" xsi:type="string">\Magento\Catalog\Ui\DataProvider\Product\ProductCollection</argument>
         </arguments>
diff --git a/app/code/Magento/CheckoutAgreements/etc/di.xml b/app/code/Magento/CheckoutAgreements/etc/di.xml
index 081e3daa781ff..a8ff8f5941f96 100644
--- a/app/code/Magento/CheckoutAgreements/etc/di.xml
+++ b/app/code/Magento/CheckoutAgreements/etc/di.xml
@@ -23,7 +23,7 @@
     <type name="Magento\Checkout\Api\GuestPaymentInformationManagementInterface">
         <plugin name="validate-guest-agreements" type="Magento\CheckoutAgreements\Model\Checkout\Plugin\GuestValidation"/>
     </type>
-    <type name="\Magento\CheckoutAgreements\Model\CheckoutAgreementsList">
+    <type name="Magento\CheckoutAgreements\Model\CheckoutAgreementsList">
         <arguments>
             <argument name="collectionProcessor" xsi:type="object">Magento\CheckoutAgreements\Model\Api\SearchCriteria\CollectionProcessor</argument>
         </arguments>
diff --git a/app/code/Magento/Elasticsearch/etc/di.xml b/app/code/Magento/Elasticsearch/etc/di.xml
index 6a42e4b3c9fe2..7e219bb2f918f 100644
--- a/app/code/Magento/Elasticsearch/etc/di.xml
+++ b/app/code/Magento/Elasticsearch/etc/di.xml
@@ -68,7 +68,7 @@
             </argument>
         </arguments>
     </type>
-    <type name="\Magento\Elasticsearch\Elasticsearch5\Model\Adapter\FieldMapper\ProductFieldMapperProxy">
+    <type name="Magento\Elasticsearch\Elasticsearch5\Model\Adapter\FieldMapper\ProductFieldMapperProxy">
         <arguments>
             <argument name="productFieldMappers" xsi:type="array">
                 <item name="elasticsearch" xsi:type="object">Magento\Elasticsearch\Model\Adapter\FieldMapper\ProductFieldMapper</item>
@@ -287,7 +287,7 @@
             <argument name="fieldNameResolver" xsi:type="object">elasticsearch5FieldNameResolver</argument>
         </arguments>
     </type>
-    <type name="\Magento\Elasticsearch\Model\Adapter\FieldMapper\Product\FieldProvider\FieldName\Resolver\CompositeResolver">
+    <type name="Magento\Elasticsearch\Model\Adapter\FieldMapper\Product\FieldProvider\FieldName\Resolver\CompositeResolver">
         <arguments>
             <argument name="items" xsi:type="array">
                 <item name="notEav" xsi:type="object">\Magento\Elasticsearch\Model\Adapter\FieldMapper\Product\FieldProvider\FieldName\Resolver\NotEavAttribute</item>
@@ -317,7 +317,7 @@
             <argument name="fieldTypeConverter" xsi:type="object">Magento\Elasticsearch\Elasticsearch5\Model\Adapter\FieldMapper\Product\FieldProvider\FieldType\Converter</argument>
         </arguments>
     </virtualType>
-    <type name="\Magento\Elasticsearch\Model\Adapter\FieldMapper\Product\FieldProvider\FieldType\Resolver\CompositeResolver">
+    <type name="Magento\Elasticsearch\Model\Adapter\FieldMapper\Product\FieldProvider\FieldType\Resolver\CompositeResolver">
         <arguments>
             <argument name="items" xsi:type="array">
                 <item name="integer" xsi:type="object">\Magento\Elasticsearch\Model\Adapter\FieldMapper\Product\FieldProvider\FieldType\Resolver\IntegerType</item>
@@ -327,7 +327,7 @@
             </argument>
         </arguments>
     </type>
-    <type name="\Magento\Elasticsearch\Elasticsearch5\Model\Adapter\FieldMapper\Product\FieldProvider\FieldType\Resolver\CompositeResolver">
+    <type name="Magento\Elasticsearch\Elasticsearch5\Model\Adapter\FieldMapper\Product\FieldProvider\FieldType\Resolver\CompositeResolver">
         <arguments>
             <argument name="items" xsi:type="array">
                 <item name="keyword" xsi:type="object">\Magento\Elasticsearch\Elasticsearch5\Model\Adapter\FieldMapper\Product\FieldProvider\FieldType\Resolver\KeywordType</item>
@@ -368,12 +368,12 @@
             <argument name="indexTypeConverter" xsi:type="object">Magento\Elasticsearch\Elasticsearch5\Model\Adapter\FieldMapper\Product\FieldProvider\FieldIndex\Converter</argument>
         </arguments>
     </virtualType>
-    <type name="\Magento\Elasticsearch\Elasticsearch5\Model\Adapter\FieldMapper\Product\FieldProvider\FieldType\Resolver\KeywordType">
+    <type name="Magento\Elasticsearch\Elasticsearch5\Model\Adapter\FieldMapper\Product\FieldProvider\FieldType\Resolver\KeywordType">
         <arguments>
             <argument name="fieldTypeConverter" xsi:type="object">Magento\Elasticsearch\Elasticsearch5\Model\Adapter\FieldMapper\Product\FieldProvider\FieldType\Converter</argument>
         </arguments>
     </type>
-    <type name="\Magento\Elasticsearch\Elasticsearch5\Model\Adapter\FieldMapper\Product\FieldProvider\FieldType\Resolver\IntegerType">
+    <type name="Magento\Elasticsearch\Elasticsearch5\Model\Adapter\FieldMapper\Product\FieldProvider\FieldType\Resolver\IntegerType">
         <arguments>
             <argument name="fieldTypeConverter" xsi:type="object">Magento\Elasticsearch\Elasticsearch5\Model\Adapter\FieldMapper\Product\FieldProvider\FieldType\Converter</argument>
         </arguments>
@@ -393,13 +393,13 @@
             <argument name="fieldTypeConverter" xsi:type="object">Magento\Elasticsearch\Elasticsearch5\Model\Adapter\FieldMapper\Product\FieldProvider\FieldType\Converter</argument>
         </arguments>
     </virtualType>
-    <type name="\Magento\Elasticsearch\Elasticsearch5\Model\Adapter\FieldMapper\ProductFieldMapper">
+    <type name="Magento\Elasticsearch\Elasticsearch5\Model\Adapter\FieldMapper\ProductFieldMapper">
         <arguments>
             <argument name="fieldProvider" xsi:type="object">elasticsearch5FieldProvider</argument>
             <argument name="fieldNameResolver" xsi:type="object">elasticsearch5FieldNameResolver</argument>
         </arguments>
     </type>
-    <type name="\Magento\Elasticsearch\Model\Adapter\FieldMapper\ProductFieldMapper">
+    <type name="Magento\Elasticsearch\Model\Adapter\FieldMapper\ProductFieldMapper">
         <arguments>
             <argument name="attributeAdapterProvider" xsi:type="object">Magento\Elasticsearch\Model\Adapter\FieldMapper\Product\AttributeProvider</argument>
             <argument name="fieldProvider" xsi:type="object">Magento\Elasticsearch\Model\Adapter\FieldMapper\Product\FieldProviderInterface</argument>
diff --git a/app/code/Magento/ImportExport/etc/adminhtml/di.xml b/app/code/Magento/ImportExport/etc/adminhtml/di.xml
index 03c24c7b2bf69..8f7955e679cc2 100644
--- a/app/code/Magento/ImportExport/etc/adminhtml/di.xml
+++ b/app/code/Magento/ImportExport/etc/adminhtml/di.xml
@@ -6,7 +6,7 @@
  */
 -->
 <config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:ObjectManager/etc/config.xsd">
-    <type name="\Magento\ImportExport\Controller\Adminhtml\Import\Start">
+    <type name="Magento\ImportExport\Controller\Adminhtml\Import\Start">
         <arguments>
             <argument name="exceptionMessageFactory" xsi:type="object">Magento\Framework\Message\ExceptionMessageLookupFactory</argument>
         </arguments>
diff --git a/app/code/Magento/Indexer/etc/di.xml b/app/code/Magento/Indexer/etc/di.xml
index c7603191e8606..76e7e7a46224b 100644
--- a/app/code/Magento/Indexer/etc/di.xml
+++ b/app/code/Magento/Indexer/etc/di.xml
@@ -42,7 +42,7 @@
         <plugin name="page-cache-indexer-reindex-clean-cache"
                 type="Magento\Indexer\Model\Processor\CleanCache" sortOrder="10"/>
     </type>
-    <type name="\Magento\Indexer\Model\ProcessManager">
+    <type name="Magento\Indexer\Model\ProcessManager">
         <arguments>
             <argument name="threadsCount" xsi:type="init_parameter">Magento\Indexer\Model\ProcessManager::THREADS_COUNT</argument>
         </arguments>
diff --git a/app/code/Magento/Sales/etc/webapi_rest/di.xml b/app/code/Magento/Sales/etc/webapi_rest/di.xml
index 6435445e0ef93..f2cbd14eb8042 100644
--- a/app/code/Magento/Sales/etc/webapi_rest/di.xml
+++ b/app/code/Magento/Sales/etc/webapi_rest/di.xml
@@ -18,7 +18,7 @@
     <type name="Magento\Framework\Reflection\DataObjectProcessor">
         <arguments>
             <argument name="processors" xsi:type="array">
-                <item name="\Magento\Sales\Model\Order\Item" xsi:type="object">Magento\Sales\Model\Order\Webapi\ChangeOutputArray\Proxy</item>
+                <item name="Magento\Sales\Model\Order\Item" xsi:type="object">Magento\Sales\Model\Order\Webapi\ChangeOutputArray\Proxy</item>
             </argument>
         </arguments>
     </type>
diff --git a/app/code/Magento/Sales/etc/webapi_soap/di.xml b/app/code/Magento/Sales/etc/webapi_soap/di.xml
index 6435445e0ef93..f2cbd14eb8042 100644
--- a/app/code/Magento/Sales/etc/webapi_soap/di.xml
+++ b/app/code/Magento/Sales/etc/webapi_soap/di.xml
@@ -18,7 +18,7 @@
     <type name="Magento\Framework\Reflection\DataObjectProcessor">
         <arguments>
             <argument name="processors" xsi:type="array">
-                <item name="\Magento\Sales\Model\Order\Item" xsi:type="object">Magento\Sales\Model\Order\Webapi\ChangeOutputArray\Proxy</item>
+                <item name="Magento\Sales\Model\Order\Item" xsi:type="object">Magento\Sales\Model\Order\Webapi\ChangeOutputArray\Proxy</item>
             </argument>
         </arguments>
     </type>
diff --git a/app/code/Magento/SalesRule/etc/di.xml b/app/code/Magento/SalesRule/etc/di.xml
index a8c350457a5a6..27c9a41503b22 100644
--- a/app/code/Magento/SalesRule/etc/di.xml
+++ b/app/code/Magento/SalesRule/etc/di.xml
@@ -179,7 +179,7 @@
         </arguments>
     </type>
 
-    <type name="\Magento\Quote\Model\Cart\CartTotalRepository">
+    <type name="Magento\Quote\Model\Cart\CartTotalRepository">
         <plugin name="coupon_label_plugin" type="Magento\SalesRule\Plugin\CartTotalRepository" />
     </type>
 </config>
diff --git a/app/code/Magento/Theme/etc/di.xml b/app/code/Magento/Theme/etc/di.xml
index 148267feeaad0..62f51e74b6007 100644
--- a/app/code/Magento/Theme/etc/di.xml
+++ b/app/code/Magento/Theme/etc/di.xml
@@ -273,7 +273,7 @@
     <type name="Magento\Config\App\Config\Source\DumpConfigSourceAggregated">
         <plugin name="designConfigTheme" type="Magento\Theme\Model\Design\Config\Plugin\Dump" sortOrder="50"/>
     </type>
-    <type name="\Magento\Theme\Model\Design\Config\Plugin\Dump">
+    <type name="Magento\Theme\Model\Design\Config\Plugin\Dump">
         <arguments>
             <argument name="themeList" xsi:type="object">Magento\Theme\Model\ResourceModel\Theme\Collection</argument>
         </arguments>