diff --git a/dgi_fixity.install b/dgi_fixity.install
index 2e018a5..592b891 100644
--- a/dgi_fixity.install
+++ b/dgi_fixity.install
@@ -5,8 +5,6 @@
  * Install hook implementations.
  */
 
-use Drupal\Core\StringTranslation\TranslatableMarkup;
-
 /**
  * Implements hook_requirements().
  */
@@ -26,8 +24,8 @@ function dgi_fixity_requirements($phase) {
     $failed = $stats['failed'] > 0;
     $out_to_date = $stats['periodic']['expired'] > 0;
     $requirements['dgi_fixity'] = [
-      'title' => new TranslatableMarkup('Fixity'),
-      'value' => $failed ? new TranslatableMarkup('Error') : ($out_to_date ? new TranslatableMarkup('Out of date') : new TranslatableMarkup('Up to date')),
+      'title' => \t('Fixity'),
+      'value' => $failed ? \t('Error') : ($out_to_date ? \t('Out of date') : \t('Up to date')),
       'description' => \Drupal::service('renderer')->render($elements),
       'severity' => $failed ? REQUIREMENT_ERROR : ($out_to_date ? REQUIREMENT_WARNING : REQUIREMENT_OK),
     ];
diff --git a/dgi_fixity.module b/dgi_fixity.module
index 1527381..07461e4 100644
--- a/dgi_fixity.module
+++ b/dgi_fixity.module
@@ -12,7 +12,6 @@ use Drupal\Core\Config\StorageInterface;
 use Drupal\Core\Entity\EntityInterface;
 use Drupal\Core\Mail\MailFormatHelper;
 use Drupal\Core\Routing\RouteMatchInterface;
-use Drupal\Core\StringTranslation\TranslatableMarkup;
 use Drupal\Core\Url;
 use Drupal\dgi_fixity\EntityTypeInfo;
 use Drupal\dgi_fixity\Form\SettingsForm;
@@ -26,10 +25,10 @@ function dgi_fixity_modules_installed($modules) {
   // This section is only entered when this module is installed prior to either
   // of these optional dependencies installation.
   // In particular the optional view:
-  //   - `views.view.fixity_check_source_islandora`
+  // - views.view.fixity_check_source_islandora
   // Which requires the following fields:
-  //   - field.storage.media.field_media_use
-  //   - field.storage.taxonomy_term.field_external_uri
+  // - field.storage.media.field_media_use
+  // - field.storage.taxonomy_term.field_external_uri
   // Which are typically provided by `islandora_core_feature`.
   // All other optional configuration is for the `action` module.
   if (in_array('islandora_core_feature', $modules) || in_array('action', $modules)) {
@@ -81,13 +80,13 @@ function dgi_fixity_mail($key, &$message, $params) {
       }
 
       $now = \Drupal::time()->getRequestTime();
-      $subject = (new TranslatableMarkup('Fixity Check Report - @now', ['@now' => date(DATE_RFC7231, $now)]))->render();
+      $subject = \t('Fixity Check Report - @now', ['@now' => date(DATE_RFC7231, $now)])->render();
       $body = $fixity->summary($stats);
       if ($stats['failed'] !== 0) {
-        $body[] = (new TranslatableMarkup(
+        $body[] = \t(
           'There are failed checks which require your attention please review the current state of checks <a href="@site">here</a>.',
           ['@site' => Url::fromRoute('entity.fixity_check.collection', [], ['absolute' => TRUE])->toString()]
-        ))->render();
+        )->render();
       }
 
       $message['subject'] = $subject;
@@ -206,7 +205,7 @@ function dgi_fixity_help($route_name, RouteMatchInterface $route_match) {
     case 'help.page.dgi_fixity':
     case 'dgi_fixity.settings':
       $output = array_fill(0, 2, ['#type' => 'html_tag', '#tag' => 'p']);
-      $output[0]['#value'] = new TranslatableMarkup(
+      $output[0]['#value'] = \t(
         'The Fixity module validates selected files by generating hashes and comparing it against stored values produced by the <a href="@file_hash">File Hash module</a> for selected files uploaded to the site.',
         ['@file_hash' => URL::fromRoute('help.page', ['name' => 'filehash'])->toString()],
       );
diff --git a/dgi_fixity.views.inc b/dgi_fixity.views.inc
index d559294..a4bef83 100644
--- a/dgi_fixity.views.inc
+++ b/dgi_fixity.views.inc
@@ -5,8 +5,6 @@
  * Provide views data for file.module.
  */
 
-use Drupal\Core\StringTranslation\TranslatableMarkup;
-
 /**
  * Implements hook_views_data_alter().
  */
@@ -32,14 +30,14 @@ function dgi_fixity_views_data_alter(&$data) {
     $data['file_managed'][$pseudo_field_name] = [
       'real field' => $field_type->getName(),
       'relationship' => [
-        'title' => new TranslatableMarkup('@entity using @field',
+        'title' => \t('@entity using @field',
           [
             '@entity' => $entity_type->getLabel(),
             '@field' => $field_type->getLabel(),
           ],
         ),
         'label' => $group,
-        'help' => new TranslatableMarkup('Relate each @entity with a @field set to the file.',
+        'help' => \t('Relate each @entity with a @field set to the file.',
           [
             '@entity' => $entity_type->getLabel(),
             '@field' => $field_type->getLabel(),
diff --git a/src/Access/FixityCheckRevisionAccessCheck.php b/src/Access/FixityCheckRevisionAccessCheck.php
index 874ef76..59cf153 100644
--- a/src/Access/FixityCheckRevisionAccessCheck.php
+++ b/src/Access/FixityCheckRevisionAccessCheck.php
@@ -56,13 +56,13 @@ class FixityCheckRevisionAccessCheck implements AccessInterface {
    * @param \Drupal\Core\Session\AccountInterface $account
    *   The currently logged in account.
    * @param int $fixity_check_revision
-   *   (optional) The fixity_check revision ID. If not specified, but 
+   *   (optional) The fixity_check revision ID. If not specified, but
    *   $fixity_check is, access is checked for that object's revision.
    * @param \Drupal\dgi_fixity\FixityCheckInterface $fixity_check
-   *   (optional) A fixity_check object. Used for checking access to a 
+   *   (optional) A fixity_check object. Used for checking access to a
    *   fixity_check's default revision when $fixity_check_revision is
-   *   unspecified. Ignored when $fixity_check_revision is specified. 
-   *   If neither $fixity_check_revision nor $fixity_check are specified, 
+   *   unspecified. Ignored when $fixity_check_revision is specified.
+   *   If neither $fixity_check_revision nor $fixity_check are specified,
    *   then access is denied.
    *
    * @return \Drupal\Core\Access\AccessResultInterface
@@ -97,8 +97,8 @@ class FixityCheckRevisionAccessCheck implements AccessInterface {
     ];
 
     if (!$fixity_check || !isset($map[$op])) {
-      // If there was no fixity_check to check against, or the $op was not one of the
-      // supported ones, we return access denied.
+      // If there was no fixity_check to check against, or the $op was not one
+      // of the supported ones, we return access denied.
       return FALSE;
     }
 
@@ -122,8 +122,8 @@ class FixityCheckRevisionAccessCheck implements AccessInterface {
       }
       else {
         // First check the access to the default revision and finally, if the
-        // fixity_check passed in is not the default revision then check access to
-        // that, too.
+        // fixity_check passed in is not the default revision then check access
+        // to that, too.
         $this->access[$cid] = $this->accessControlHandler->access($this->storage->load($fixity_check->id()), $op, $account) && ($fixity_check->isDefaultRevision() || $this->accessControlHandler->access($fixity_check, $op, $account));
       }
     }
diff --git a/src/Entity/FixityCheck.php b/src/Entity/FixityCheck.php
index dac6a1c..db521da 100644
--- a/src/Entity/FixityCheck.php
+++ b/src/Entity/FixityCheck.php
@@ -8,7 +8,6 @@ use Drupal\Core\Entity\EntityTypeInterface;
 use Drupal\Core\Field\BaseFieldDefinition;
 use Drupal\Core\Language\LanguageInterface;
 use Drupal\Core\StringTranslation\StringTranslationTrait;
-use Drupal\Core\StringTranslation\TranslatableMarkup;
 use Drupal\dgi_fixity\FixityCheckInterface;
 use Drupal\file\Entity\File;
 
@@ -73,8 +72,8 @@ class FixityCheck extends ContentEntityBase implements FixityCheckInterface {
     $fields = parent::baseFieldDefinitions($entity_type);
 
     $fields['file'] = BaseFieldDefinition::create('entity_reference')
-      ->setLabel(new TranslatableMarkup('File'))
-      ->setDescription(new TranslatableMarkup('The file entity the fixity check was performed against.'))
+      ->setLabel(\t('File'))
+      ->setDescription(\t('The file entity the fixity check was performed against.'))
       ->setRequired(TRUE)
       ->setRevisionable(FALSE)
       ->setTranslatable(FALSE)
@@ -89,8 +88,8 @@ class FixityCheck extends ContentEntityBase implements FixityCheckInterface {
       ]);
 
     $fields['state'] = BaseFieldDefinition::create('integer')
-      ->setLabel(new TranslatableMarkup('State'))
-      ->setDescription(new TranslatableMarkup('A flag indicating the state of the whether the check passed or not.'))
+      ->setLabel(\t('State'))
+      ->setDescription(\t('A flag indicating the state of the whether the check passed or not.'))
       ->setTranslatable(FALSE)
       ->setRevisionable(TRUE)
       ->setInitialValue(static::STATE_UNDEFINED)
diff --git a/src/FixityCheckBatchCheck.php b/src/FixityCheckBatchCheck.php
index d052448..e0aa93c 100644
--- a/src/FixityCheckBatchCheck.php
+++ b/src/FixityCheckBatchCheck.php
@@ -4,7 +4,6 @@ namespace Drupal\dgi_fixity;
 
 use Drupal\Core\Batch\BatchBuilder;
 use Drupal\Core\StringTranslation\PluralTranslatableMarkup;
-use Drupal\Core\StringTranslation\TranslatableMarkup;
 use Drupal\dgi_fixity\Form\SettingsForm;
 
 /**
@@ -38,9 +37,9 @@ class FixityCheckBatchCheck {
   protected static function buildFixed(array $fids, bool $force, int $batch_size) {
     $builder = new BatchBuilder();
     return $builder
-      ->setTitle(new TranslatableMarkup('Performing checks on @count file(s)', ['@count' => count($fids)]))
-      ->setInitMessage(new TranslatableMarkup('Starting'))
-      ->setErrorMessage(new TranslatableMarkup('Batch has encountered an error'))
+      ->setTitle(\t('Performing checks on @count file(s)', ['@count' => count($fids)]))
+      ->setInitMessage(\t('Starting'))
+      ->setErrorMessage(\t('Batch has encountered an error'))
       ->addOperation([static::class, 'processFixedList'], [
         $fids,
         $force,
@@ -66,9 +65,9 @@ class FixityCheckBatchCheck {
       );
     }
     return $builder
-      ->setTitle(new TranslatableMarkup('Enumerating periodic checks from @count Source(s)', ['@count' => count($sources)]))
-      ->setInitMessage(new TranslatableMarkup('Starting'))
-      ->setErrorMessage(new TranslatableMarkup('Batch has encountered an error'))
+      ->setTitle(\t('Enumerating periodic checks from @count Source(s)', ['@count' => count($sources)]))
+      ->setInitMessage(\t('Starting'))
+      ->setErrorMessage(\t('Batch has encountered an error'))
       ->addOperation([static::class, 'processPeriodic'], [$force, $batch_size])
       ->setFinishCallback([static::class, 'finished'])
       ->toArray();
@@ -101,7 +100,7 @@ class FixityCheckBatchCheck {
     }
     $chunk = array_slice($fids, $sandbox['offset'], $batch_size);
     $end = min($sandbox['total'], $sandbox['offset'] + count($chunk));
-    $context['message'] = new TranslatableMarkup('Processing @start to @end of @total', [
+    $context['message'] = \t('Processing @start to @end of @total', [
       '@start' => $sandbox['offset'],
       '@end' => $end,
       '@total' => $sandbox['total'],
@@ -139,7 +138,7 @@ class FixityCheckBatchCheck {
         $check->save();
       }
       catch (\Exception $e) {
-        $results['errors'][] = new TranslatableMarkup('Encountered an exception: @exception', [
+        $results['errors'][] = \t('Encountered an exception: @exception', [
           '@exception' => $e,
         ]);
         // In practice exceptions in this case shouldn't arise, but if they do
@@ -181,7 +180,7 @@ class FixityCheckBatchCheck {
 
     $files = $storage->getPeriodic($sandbox['offset'], $batch_size);
     $end = min($sandbox['total'], $sandbox['offset'] + count($files));
-    $context['message'] = new TranslatableMarkup('Processing @start to @end', [
+    $context['message'] = \t('Processing @start to @end', [
       '@start' => $sandbox['offset'],
       '@end' => $end,
     ]);
@@ -229,7 +228,7 @@ class FixityCheckBatchCheck {
       }
       catch (\Exception $e) {
         $results['failed']++;
-        $results['errors'][] = new TranslatableMarkup('Encountered an exception: @exception', [
+        $results['errors'][] = \t('Encountered an exception: @exception', [
           '@exception' => $e,
         ]);
       }
@@ -268,7 +267,7 @@ class FixityCheckBatchCheck {
       '@count was skipped.',
       '@count were skipped.',
     ));
-    $messenger->addStatus(new TranslatableMarkup(
+    $messenger->addStatus(\t(
       '@count failed.', ['@count' => $results['failed']]
     ));
     $error_count = count($results['errors']);
diff --git a/src/FixityCheckBatchGenerate.php b/src/FixityCheckBatchGenerate.php
index 1b7aa0b..0bfa5ab 100644
--- a/src/FixityCheckBatchGenerate.php
+++ b/src/FixityCheckBatchGenerate.php
@@ -4,7 +4,6 @@ namespace Drupal\dgi_fixity;
 
 use Drupal\Core\Batch\BatchBuilder;
 use Drupal\Core\StringTranslation\PluralTranslatableMarkup;
-use Drupal\Core\StringTranslation\TranslatableMarkup;
 use Drupal\dgi_fixity\Form\SettingsForm;
 
 /**
@@ -25,9 +24,9 @@ class FixityCheckBatchGenerate {
     }
     $builder = new BatchBuilder();
     return $builder
-      ->setTitle(new TranslatableMarkup('Generating Fixity Checks for previously created files'))
-      ->setInitMessage(new TranslatableMarkup('Starting'))
-      ->setErrorMessage(new TranslatableMarkup('Batch has encountered an error'))
+      ->setTitle(\t('Generating Fixity Checks for previously created files'))
+      ->setInitMessage(\t('Starting'))
+      ->setErrorMessage(\t('Batch has encountered an error'))
       ->addOperation([static::class, 'generate'], [$batch_size])
       ->setFinishCallback([static::class, 'finished'])
       ->toArray();
@@ -63,7 +62,7 @@ class FixityCheckBatchGenerate {
       }
       catch (\Exception $e) {
         $results['failed']++;
-        $results['errors'][] = new TranslatableMarkup('Encountered an exception: @exception', [
+        $results['errors'][] = \t('Encountered an exception: @exception', [
           '@exception' => $e,
         ]);
       }
@@ -99,7 +98,7 @@ class FixityCheckBatchGenerate {
       '@count was successful.',
       '@count were successful.',
     ));
-    $messenger->addStatus(new TranslatableMarkup(
+    $messenger->addStatus(\t(
       '@count failed.', ['@count' => $results['failed']]
     ));
     $error_count = count($results['errors']);