diff --git a/lib/Drupal/views/Plugin/views/HandlerBase.php b/lib/Drupal/views/Plugin/views/HandlerBase.php
index 08280ac4fe3cb7ced7a027669d5694178c7969e6..e67614e057fa95c4ece04f3f0b14965a48cabff9 100644
--- a/lib/Drupal/views/Plugin/views/HandlerBase.php
+++ b/lib/Drupal/views/Plugin/views/HandlerBase.php
@@ -11,8 +11,6 @@
 use Drupal\views\Plugin\views\PluginBase;
 use Drupal\views\ViewExecutable;
 use Drupal\Core\Database\Database;
-use DateTimeZone;
-use DateTime;
 
 abstract class HandlerBase extends PluginBase {
 
@@ -714,8 +712,8 @@ public function getSQLDateField() {
     $db_type = Database::getConnection()->databaseType();
     $offset = $this->getTimezone();
     if (isset($offset) && !is_numeric($offset)) {
-      $dtz = new DateTimeZone($offset);
-      $dt = new DateTime('now', $dtz);
+      $dtz = new \DateTimeZone($offset);
+      $dt = new \DateTime('now', $dtz);
       $offset_seconds = $dtz->getOffset($dt);
     }
 
diff --git a/lib/Drupal/views/Plugin/views/wizard/WizardException.php b/lib/Drupal/views/Plugin/views/wizard/WizardException.php
index e7a70bf451de3f1d4e393d6f0e009d5faaaa8b69..2c188da9e5fcec25e83f7116d0699a4914fddcf2 100644
--- a/lib/Drupal/views/Plugin/views/wizard/WizardException.php
+++ b/lib/Drupal/views/Plugin/views/wizard/WizardException.php
@@ -7,11 +7,9 @@
 
 namespace Drupal\views\Plugin\views\wizard;
 
-use Exception;
-
 /**
  * A custom exception class for our errors.
  */
-class WizardException extends Exception {
+class WizardException extends \Exception {
 
 }
diff --git a/lib/Drupal/views/Tests/Handler/FieldTest.php b/lib/Drupal/views/Tests/Handler/FieldTest.php
index 1f54db3322fefcd4da488a4bc69359f394cc35e4..967eae8890fca04ae9d9400a30e500d39f87453b 100644
--- a/lib/Drupal/views/Tests/Handler/FieldTest.php
+++ b/lib/Drupal/views/Tests/Handler/FieldTest.php
@@ -12,7 +12,6 @@
  *
  * @see Drupal\views\Plugin\views\field\FieldPluginBase
  */
-use DOMDocument;
 
 class FieldTest extends HandlerTestBase {
 
@@ -170,7 +169,7 @@ protected function assertNotSubString($haystack, $needle, $message = '', $group
    *   An array containing simplexml objects.
    */
   protected function parseContent($content) {
-    $htmlDom = new DOMDocument();
+    $htmlDom = new \DOMDocument();
     @$htmlDom->loadHTML('<?xml encoding="UTF-8">' . $content);
     $elements = simplexml_import_dom($htmlDom);
 
diff --git a/lib/Drupal/views/Tests/Plugin/StyleTestBase.php b/lib/Drupal/views/Tests/Plugin/StyleTestBase.php
index 20fb2d65cdf177d4ec48de13402af7f0aafafbd1..e60c217769ae3f8ac116490b6dfce08335d93c2a 100644
--- a/lib/Drupal/views/Tests/Plugin/StyleTestBase.php
+++ b/lib/Drupal/views/Tests/Plugin/StyleTestBase.php
@@ -7,8 +7,6 @@
 
 namespace Drupal\views\Tests\Plugin;
 
-use DOMDocument;
-
 /**
  * Tests some general style plugin related functionality.
  */
@@ -31,7 +29,7 @@ protected function setUp() {
    * Stores a view output in the elements.
    */
   function storeViewPreview($output) {
-    $htmlDom = new DOMDocument();
+    $htmlDom = new \DOMDocument();
     @$htmlDom->loadHTML($output);
     if ($htmlDom) {
       // It's much easier to work with simplexml than DOM, luckily enough
diff --git a/lib/Drupal/views/Tests/PluginInstanceTest.php b/lib/Drupal/views/Tests/PluginInstanceTest.php
index b9187727c946f5fe3c5a13447a9ffa06b151d33d..5880136b8f2e4e8e874a79283a7d3befd1837776 100644
--- a/lib/Drupal/views/Tests/PluginInstanceTest.php
+++ b/lib/Drupal/views/Tests/PluginInstanceTest.php
@@ -7,8 +7,6 @@
 
 namespace Drupal\views\Tests;
 
-use ReflectionClass;
-
 /**
  * Checks general plugin data and instances for all plugin types.
  */
@@ -93,7 +91,7 @@ public function testPluginInstances() {
       foreach ($plugins as $definition) {
         // Get a reflection class for this plugin.
         // We only want to test true plugins, i.e. They extend PluginBase.
-        $reflection = new ReflectionClass($definition['class']);
+        $reflection = new \ReflectionClass($definition['class']);
         if ($reflection->isSubclassOf('Drupal\views\Plugin\views\PluginBase')) {
           // Create a plugin instance and check what it is. This is not just
           // good to check they can be created but for throwing any notices for
diff --git a/lib/Views/node/Plugin/views/row/Rss.php b/lib/Views/node/Plugin/views/row/Rss.php
index d0a58eb4db8adaac02b4e34ebd054cda13cf038b..0d5a8df31bfc9cddaedc344039205614ccbd49a0 100644
--- a/lib/Views/node/Plugin/views/row/Rss.php
+++ b/lib/Views/node/Plugin/views/row/Rss.php
@@ -10,7 +10,6 @@
 use Drupal\Core\Annotation\Plugin;
 use Drupal\Core\Annotation\Translation;
 use Drupal\views\Plugin\views\row\RowPluginBase;
-use stdClass;
 
 /**
  * Plugin which performs a node_view on the resulting object
@@ -165,7 +164,7 @@ function render($row) {
       $item_text .= drupal_render($build);
     }
 
-    $item = new stdClass();
+    $item = new \stdClass();
     $item->description = $item_text;
     $item->title = $node->label();
     $item->link = $node->link;