diff --git a/core/lib/Drupal/Core/GeneratedLink.php b/core/lib/Drupal/Core/GeneratedLink.php
index 09411876ed7b459b38f001cc2ff7370117967401..c2c4900e113e5f7ee7522c35f8e26e986613b8cf 100644
--- a/core/lib/Drupal/Core/GeneratedLink.php
+++ b/core/lib/Drupal/Core/GeneratedLink.php
@@ -32,7 +32,7 @@ class GeneratedLink extends BubbleableMetadata implements MarkupInterface, \Coun
    * @return string
    */
   public function getGeneratedLink() {
-    return $this->generatedLink ;
+    return $this->generatedLink;
   }
 
   /**
diff --git a/core/lib/Drupal/Core/GeneratedUrl.php b/core/lib/Drupal/Core/GeneratedUrl.php
index f3bf6581d0f0c76b53d48308ea72de1e988db2f9..ccb6e9a76899a6e3ff87de510ac8d862993592cd 100644
--- a/core/lib/Drupal/Core/GeneratedUrl.php
+++ b/core/lib/Drupal/Core/GeneratedUrl.php
@@ -25,7 +25,7 @@ class GeneratedUrl extends BubbleableMetadata {
    * @return string
    */
   public function getGeneratedUrl() {
-    return $this->generatedUrl ;
+    return $this->generatedUrl;
   }
 
   /**
diff --git a/core/modules/node/node.module b/core/modules/node/node.module
index b8eb7e64c75484c6613378c3a2d0d3e904c5a188..208deb5786ca3366ff9c03dc9e030bc16b72fde9 100644
--- a/core/modules/node/node.module
+++ b/core/modules/node/node.module
@@ -133,7 +133,7 @@ function node_help($route_name, RouteMatchInterface $route_match) {
     case 'entity.entity_form_display.node.default':
     case 'entity.entity_form_display.node.form_mode':
       $type = $route_match->getParameter('node_type');
-      return '<p>' . t('Content items can be edited using different form modes. Here, you can define which fields are shown and hidden when %type content is edited in each form mode, and define how the field form widgets are displayed in each form mode.', ['%type' => $type->label()]) . '</p>' ;
+      return '<p>' . t('Content items can be edited using different form modes. Here, you can define which fields are shown and hidden when %type content is edited in each form mode, and define how the field form widgets are displayed in each form mode.', ['%type' => $type->label()]) . '</p>';
 
     case 'entity.entity_view_display.node.default':
     case 'entity.entity_view_display.node.view_mode':
diff --git a/core/tests/Drupal/KernelTests/Core/Image/ToolkitGdTest.php b/core/tests/Drupal/KernelTests/Core/Image/ToolkitGdTest.php
index 78ca513306fdb1d49662d81f406f4a06e3a742e2..96ce7e011d73afcb268e975eccad9457fadc2047 100644
--- a/core/tests/Drupal/KernelTests/Core/Image/ToolkitGdTest.php
+++ b/core/tests/Drupal/KernelTests/Core/Image/ToolkitGdTest.php
@@ -385,7 +385,7 @@ public function testManipulations() {
       $image = $this->imageFactory->get();
       $image->createNew(50, 20, image_type_to_extension($type, FALSE), '#ffff00');
       $file = 'from_null' . image_type_to_extension($type);
-      $file_path = $directory . '/' . $file ;
+      $file_path = $directory . '/' . $file;
       $this->assertEqual(50, $image->getWidth(), SafeMarkup::format('Image file %file has the correct width.', ['%file' => $file]));
       $this->assertEqual(20, $image->getHeight(), SafeMarkup::format('Image file %file has the correct height.', ['%file' => $file]));
       $this->assertEqual(image_type_to_mime_type($type), $image->getMimeType(), SafeMarkup::format('Image file %file has the correct MIME type.', ['%file' => $file]));
@@ -465,7 +465,7 @@ public function testGifTransparentImages() {
     // Color at top-right pixel should be fully transparent while in memory,
     // fully opaque after flushing image to file.
     $file = 'image-test-no-transparent-color-set.gif';
-    $file_path = $directory . '/' . $file ;
+    $file_path = $directory . '/' . $file;
     // Create image.
     $image = $this->imageFactory->get();
     $image->createNew(50, 20, 'gif', NULL);