diff --git a/core/modules/system/lib/Drupal/system/Tests/Lock/LockFunctionalTest.php b/core/modules/system/lib/Drupal/system/Tests/Lock/LockFunctionalTest.php
index 322b3d2..4683263 100644
--- a/core/modules/system/lib/Drupal/system/Tests/Lock/LockFunctionalTest.php
+++ b/core/modules/system/lib/Drupal/system/Tests/Lock/LockFunctionalTest.php
@@ -83,34 +83,34 @@ class LockFunctionalTest extends WebTestBase {
   public function testLockAcquire() {
     $lock_acquired = 'TRUE: Lock successfully acquired in system_test_lock_acquire()';
     $lock_not_acquired = 'FALSE: Lock not acquired in system_test_lock_acquire()';
-    $this->assertTrue(lock()->acquire('system_test_lock_acquire'), t('Lock acquired by this request.'), 'Lock');
-    $this->assertTrue(lock()->acquire('system_test_lock_acquire'), t('Lock extended by this request.'), 'Lock');
+    $this->assertTrue(lock()->acquire('system_test_lock_acquire'), 'Lock acquired by this request.', 'Lock');
+    $this->assertTrue(lock()->acquire('system_test_lock_acquire'), 'Lock extended by this request.', 'Lock');
     lock()->release('system_test_lock_acquire');
 
     // Cause another request to acquire the lock.
     $this->drupalGet('system-test/lock-acquire');
-    $this->assertText($lock_acquired, t('Lock acquired by the other request.'), 'Lock');
+    $this->assertText($lock_acquired, 'Lock acquired by the other request.', 'Lock');
     // The other request has finished, thus it should have released its lock.
-    $this->assertTrue(lock()->acquire('system_test_lock_acquire'), t('Lock acquired by this request.'), 'Lock');
+    $this->assertTrue(lock()->acquire('system_test_lock_acquire'), 'Lock acquired by this request.', 'Lock');
     // This request holds the lock, so the other request cannot acquire it.
     $this->drupalGet('system-test/lock-acquire');
-    $this->assertText($lock_not_acquired, t('Lock not acquired by the other request.'), 'Lock');
+    $this->assertText($lock_not_acquired, 'Lock not acquired by the other request.', 'Lock');
     lock()->release('system_test_lock_acquire');
 
     // Try a very short timeout and lock breaking.
-    $this->assertTrue(lock()->acquire('system_test_lock_acquire', 0.5), t('Lock acquired by this request.'), 'Lock');
+    $this->assertTrue(lock()->acquire('system_test_lock_acquire', 0.5), 'Lock acquired by this request.', 'Lock');
     sleep(1);
     // The other request should break our lock.
     $this->drupalGet('system-test/lock-acquire');
-    $this->assertText($lock_acquired, t('Lock acquired by the other request, breaking our lock.'), 'Lock');
+    $this->assertText($lock_acquired, 'Lock acquired by the other request, breaking our lock.', 'Lock');
     // We cannot renew it, since the other thread took it.
-    $this->assertFalse(lock()->acquire('system_test_lock_acquire'), t('Lock cannot be extended by this request.'), 'Lock');
+    $this->assertFalse(lock()->acquire('system_test_lock_acquire'), 'Lock cannot be extended by this request.', 'Lock');
 
     // Check the shut-down function.
     $lock_acquired_exit = 'TRUE: Lock successfully acquired in system_test_lock_exit()';
     $lock_not_acquired_exit = 'FALSE: Lock not acquired in system_test_lock_exit()';
     $this->drupalGet('system-test/lock-exit');
-    $this->assertText($lock_acquired_exit, t('Lock acquired by the other request before exit.'), 'Lock');
-    $this->assertTrue(lock()->acquire('system_test_lock_exit'), t('Lock acquired by this request after the other request exits.'), 'Lock');
+    $this->assertText($lock_acquired_exit, 'Lock acquired by the other request before exit.', 'Lock');
+    $this->assertTrue(lock()->acquire('system_test_lock_exit'), 'Lock acquired by this request after the other request exits.', 'Lock');
   }
 }