diff -u b/core/modules/dblog/lib/Drupal/dblog/Controller/DBLogController.php b/core/modules/dblog/lib/Drupal/dblog/Controller/DBLogController.php
--- b/core/modules/dblog/lib/Drupal/dblog/Controller/DBLogController.php
+++ b/core/modules/dblog/lib/Drupal/dblog/Controller/DBLogController.php
@@ -51,7 +51,7 @@
    * @return array
    *   An array of log level classes.
    */
-  public static function getLogLevels() {
+  public static function getLogLevelClassMap() {
     return array(
       WATCHDOG_DEBUG     => 'dblog-debug',
       WATCHDOG_INFO      => 'dblog-info',
@@ -79,7 +79,7 @@
     $filter = $this->buildFilterQuery();
     $rows = array();
 
-    $classes = static::getLogLevels();
+    $classes = static::getLogLevelClassMap();
 
     $this->moduleHandler->loadInclude('dblog', 'admin.inc');
 
diff -u b/core/modules/dblog/lib/Drupal/dblog/Tests/DBLogTest.php b/core/modules/dblog/lib/Drupal/dblog/Tests/DBLogTest.php
--- b/core/modules/dblog/lib/Drupal/dblog/Tests/DBLogTest.php
+++ b/core/modules/dblog/lib/Drupal/dblog/Tests/DBLogTest.php
@@ -576,10 +576,7 @@
    *   The watchdog severity constant or NULL if not found.
    */
   protected function getSeverityConstant($class) {
-
-    // Reversed array from:
-    // \Drupal\dblog\Controller\DBLogController::getLogLevels().
-    $map = array_flip(DBLogController::getLogLevels());
+    $map = array_flip(DBLogController::getLogLevelClassMap());
 
     // Find the class that contains the severity.
     $classes = explode(' ', $class);