diff --git a/core/lib/Drupal/Core/Entity/ContentEntityConfirmFormBase.php b/core/lib/Drupal/Core/Entity/ContentEntityConfirmFormBase.php
index a174e31..686cdae 100644
--- a/core/lib/Drupal/Core/Entity/ContentEntityConfirmFormBase.php
+++ b/core/lib/Drupal/Core/Entity/ContentEntityConfirmFormBase.php
@@ -26,21 +26,21 @@ public function getBaseFormID() {
    * {@inheritdoc}
    */
   public function getDescription() {
-    return t('This action cannot be undone.');
+    return $this->t('This action cannot be undone.');
   }
 
   /**
    * {@inheritdoc}
    */
   public function getConfirmText() {
-    return t('Confirm');
+    return $this->t('Confirm');
   }
 
   /**
    * {@inheritdoc}
    */
   public function getCancelText() {
-    return t('Cancel');
+    return $this->t('Cancel');
   }
 
   /**
diff --git a/core/lib/Drupal/Core/Form/ConfirmFormBase.php b/core/lib/Drupal/Core/Form/ConfirmFormBase.php
index a6930f4..d44ab47 100644
--- a/core/lib/Drupal/Core/Form/ConfirmFormBase.php
+++ b/core/lib/Drupal/Core/Form/ConfirmFormBase.php
@@ -16,21 +16,21 @@
    * {@inheritdoc}
    */
   public function getDescription() {
-    return t('This action cannot be undone.');
+    return $this->t('This action cannot be undone.');
   }
 
   /**
    * {@inheritdoc}
    */
   public function getConfirmText() {
-    return t('Confirm');
+    return $this->t('Confirm');
   }
 
   /**
    * {@inheritdoc}
    */
   public function getCancelText() {
-    return t('Cancel');
+    return $this->t('Cancel');
   }
 
   /**