diff --git a/SweetChatService/Yitter/YitIdHelper.cs b/SweetChatService/Yitter/YitIdHelper.cs
deleted file mode 100644
index f98597a..0000000
--- a/SweetChatService/Yitter/YitIdHelper.cs
+++ /dev/null
@@ -1,6 +0,0 @@
-namespace Yitter
-{
-    internal class YitIdHelper
-    {
-    }
-}
\ No newline at end of file