diff --git a/lib/fluent/plugin/in_tail/position_file.rb b/lib/fluent/plugin/in_tail/position_file.rb
index 4d9fbaaf84..f2d89b0426 100644
--- a/lib/fluent/plugin/in_tail/position_file.rb
+++ b/lib/fluent/plugin/in_tail/position_file.rb
@@ -18,15 +18,6 @@
 
 module Fluent::Plugin
   class TailInput < Fluent::Plugin::Input
-    class PathWithInode
-      def initialize(path, inode)
-        @path = path
-        @inode = inode
-      end
-
-      attr_accessor :path, :inode
-    end
-
     class PositionFile
       UNWATCHED_POSITION = 0xffffffffffffffff
       POSITION_FILE_ENTRY_REGEX = /^([^\t]+)\t([0-9a-fA-F]+)\t([0-9a-fA-F]+)/.freeze