diff --git a/core/lib/Drupal/Component/Archiver/ArchiveTar.php b/core/lib/Drupal/Component/Archiver/ArchiveTar.php
index 462fa7070cf933fb1058210330ebc564050304de..a1254501ce1b87d3a220601553a324a3efc44112 100644
--- a/core/lib/Drupal/Component/Archiver/ArchiveTar.php
+++ b/core/lib/Drupal/Component/Archiver/ArchiveTar.php
@@ -975,7 +975,7 @@ function _addFile($p_filename, &$p_header, $p_add_dir, $p_remove_dir)
       }
 
       // ----- Calculate the stored filename
-      $p_filename = $this->_translateWinPath($p_filename, false);;
+      $p_filename = $this->_translateWinPath($p_filename, false);
       $v_stored_filename = $p_filename;
       if (strcmp($p_filename, $p_remove_dir) == 0) {
           return true;
@@ -1038,7 +1038,7 @@ function _addString($p_filename, $p_string)
       }
 
       // ----- Calculate the stored filename
-      $p_filename = $this->_translateWinPath($p_filename, false);;
+      $p_filename = $this->_translateWinPath($p_filename, false);
 
       if (!$this->_writeHeaderBlock($p_filename, strlen($p_string),
 	                                  time(), 384, "", 0, 0))
diff --git a/core/lib/Drupal/Core/Asset/CssCollectionRenderer.php b/core/lib/Drupal/Core/Asset/CssCollectionRenderer.php
index e1cb3cd24cafc3e8b44f7665abee7c70734121ee..a19c1999273346e8bfb5ef66c55fc3002546ea03 100644
--- a/core/lib/Drupal/Core/Asset/CssCollectionRenderer.php
+++ b/core/lib/Drupal/Core/Asset/CssCollectionRenderer.php
@@ -91,7 +91,7 @@ public function render(array $css_assets) {
           // assets: output a LINK tag for a file CSS asset.
           if (count($css_assets) <= 31) {
             $element = $link_element_defaults;
-            $element['#attributes']['href'] = file_create_url($css_asset['data']) . $query_string_separator . $query_string;;
+            $element['#attributes']['href'] = file_create_url($css_asset['data']) . $query_string_separator . $query_string;
             $element['#attributes']['media'] = $css_asset['media'];
             $element['#browsers'] = $css_asset['browsers'];
             $elements[] = $element;
diff --git a/core/modules/system/lib/Drupal/system/Form/RegionalForm.php b/core/modules/system/lib/Drupal/system/Form/RegionalForm.php
index f4cc22539c532ff64e92070941aa00c5c9d42f0a..1c45f15667aa1992af638530b0f8a432ea84e075 100644
--- a/core/modules/system/lib/Drupal/system/Form/RegionalForm.php
+++ b/core/modules/system/lib/Drupal/system/Form/RegionalForm.php
@@ -97,7 +97,7 @@ public function buildForm(array $form, array &$form_state) {
       '#options' => $zones,
     );
 
-    $configurable_timezones = $system_date->get('timezone.user.configurable');;
+    $configurable_timezones = $system_date->get('timezone.user.configurable');
     $form['timezone']['configurable_timezones'] = array(
       '#type' => 'checkbox',
       '#title' => t('Users may set their own time zone.'),
diff --git a/core/modules/system/lib/Drupal/system/Tests/Entity/EntityLanguageTestBase.php b/core/modules/system/lib/Drupal/system/Tests/Entity/EntityLanguageTestBase.php
index 5f474507e8f48be62febeb2aebe0569a011a191e..abd4aa275f7f2669a10d70a2b690fba133372d30 100644
--- a/core/modules/system/lib/Drupal/system/Tests/Entity/EntityLanguageTestBase.php
+++ b/core/modules/system/lib/Drupal/system/Tests/Entity/EntityLanguageTestBase.php
@@ -88,7 +88,7 @@ function setUp() {
         'entity_type' => $entity_type,
         'bundle' => $entity_type,
       ))->save();
-      $this->instance[$entity_type] = entity_load('field_instance', $entity_type . '.' . $entity_type . '.' . $this->field_name);;
+      $this->instance[$entity_type] = entity_load('field_instance', $entity_type . '.' . $entity_type . '.' . $this->field_name);
 
       entity_create('field_entity', array(
         'name' => $this->untranslatable_field_name,
diff --git a/core/modules/user/lib/Drupal/user/Form/UserPermissionsForm.php b/core/modules/user/lib/Drupal/user/Form/UserPermissionsForm.php
index a0b29ee8737ca8f131e2d0511dc6324a4389ca26..82d3829572d655ab114eb51ff7932058d551ab56 100644
--- a/core/modules/user/lib/Drupal/user/Form/UserPermissionsForm.php
+++ b/core/modules/user/lib/Drupal/user/Form/UserPermissionsForm.php
@@ -100,7 +100,7 @@ public function buildForm(array $form, array &$form_state) {
     // display name.
     $modules = array();
     foreach ($this->moduleHandler->getImplementations('permission') as $module) {
-      $modules[$module] = $module_info[$module]->info['name'];;
+      $modules[$module] = $module_info[$module]->info['name'];
     }
     asort($modules);