diff --git a/core/lib/Drupal/Core/Installer/CheckInstalledTrait.php b/core/lib/Drupal/Core/Installer/CheckInstalledTrait.php
index e7638a8..8bbef6a 100644
--- a/core/lib/Drupal/Core/Installer/CheckInstalledTrait.php
+++ b/core/lib/Drupal/Core/Installer/CheckInstalledTrait.php
@@ -52,40 +52,28 @@ protected function shouldRedirectToInstaller(\Exception $exception, Connection $
       return TRUE;
     }
 
+    // A database error with code 1049 means "missing database", and it should
+    // be safe to redirect in that case.
+    if (($exception instanceof \PDOException || $exception instanceof DatabaseException) && $exception->getCode() == 1049) {
+      return TRUE;
+    }
+
     // Redirect if the database is empty.
     if ($connection) {
-      return $this->databaseEmpty($connection);
+      try {
+        return !$connection->schema()->tableExists('sessions');
+      }
+      catch (\Exception $e) {
+        // If we still have an exception at this point, we need to be careful
+        // since we should not redirect if the exception represents an error on an
+        // already-installed site (for example, if the database server went down).
+        // Assume we shouldn't redirect, just in case.
+        return FALSE;
+      }
     }
 
     // Default to FALSE to minimize the chance of overwriting an installed
     // database.
     return FALSE;
   }
-
-  /**
-   * Checks if the database is empty.
-   *
-   * @param \Drupal\Core\Database\Connection|null $connection $connection
-   *   The drupal database connection to check.
-   *
-   * @return bool
-   *   Returns TRUE if there is an empty database for the given connection.
-   */
-  public function databaseEmpty(Connection $connection) {
-    // Check for the presence of a database table provided in the hook_schema()
-    // implementation of a required core module. That should always be present
-    // if Drupal is already installed.
-    try {
-      return !$connection->schema()->tableExists('sessions');
-    }
-    catch (\Exception $e) {
-      // If we still have an exception at this point, we need to be careful
-      // since we should not redirect if the exception represents an error on an
-      // already-installed site (for example, if the database server went down).
-      // However a database error with code 1049 means "missing database", and
-      // it should be safe to redirect in that case.
-      return ($e instanceof \PDOException || $e instanceof DatabaseException) && $e->getCode() == 1049;
-    }
-  }
-
 }