diff --git a/src/File.php b/src/File.php
index 03fca21b..5a0a71eb 100644
--- a/src/File.php
+++ b/src/File.php
@@ -351,14 +351,6 @@ public function AbsoluteLink()
         return $this->getAbsoluteURL();
     }
 
-    /**
-     * @return string
-     */
-    public function getTreeTitle()
-    {
-        return Convert::raw2xml($this->Title);
-    }
-
     /**
      * @param Member $member
      * @return bool
@@ -1520,12 +1512,12 @@ protected function filterFilename($name)
         }, $parts ?? []));
     }
 
-    public function flushCache($persistent = true)
+    public function flushCache(bool $persistent = true): static
     {
-        parent::flushCache($persistent);
         static::reset();
         ImageShortcodeProvider::flush();
         FileShortcodeProvider::flush();
+        return parent::flushCache($persistent);
     }
 
     public static function reset()