diff --git a/library/think/File.php b/library/think/File.php
index a03e0f09..636a3430 100644
--- a/library/think/File.php
+++ b/library/think/File.php
@@ -11,7 +11,6 @@
 
 namespace think;
 
-use SplFileInfo;
 use SplFileObject;
 
 class File extends SplFileObject