diff --git a/core/modules/config_translation/tests/src/Unit/ConfigNamesMapperTest.php b/core/modules/config_translation/tests/src/Unit/ConfigNamesMapperTest.php
index 51697f01a252..6c9dc0115f0a 100644
--- a/core/modules/config_translation/tests/src/Unit/ConfigNamesMapperTest.php
+++ b/core/modules/config_translation/tests/src/Unit/ConfigNamesMapperTest.php
@@ -611,7 +611,7 @@ class ConfigNamesMapperTest extends UnitTestCase {
   }
 
   /**
-   * Provides data for for ConfigNamesMapperTest::testHasTranslation().
+   * Provides data for ConfigNamesMapperTest::testHasTranslation().
    *
    * @return array
    *   An array of arrays, where each inner array has an array of values that
diff --git a/core/modules/help_topics/tests/src/Functional/HelpTopicTest.php b/core/modules/help_topics/tests/src/Functional/HelpTopicTest.php
index e70d8fd6e9e6..f3d8bc2acc9c 100644
--- a/core/modules/help_topics/tests/src/Functional/HelpTopicTest.php
+++ b/core/modules/help_topics/tests/src/Functional/HelpTopicTest.php
@@ -98,7 +98,7 @@ class HelpTopicTest extends BrowserTestBase {
     $session->pageTextContains('Topics can be provided by modules or themes');
     $session->responseHeaderContains('X-Drupal-Cache-Tags', 'core.extension');
 
-    // Verify links for for help topics and order.
+    // Verify links for help topics and order.
     $page_text = $this->getTextContent();
     $start = strpos($page_text, 'Topics can be provided');
     $pos = $start;