diff --git a/WriterCallback.java b/WriterCallback.java
deleted file mode 100644
index 12ff5c7..0000000
--- a/WriterCallback.java
+++ /dev/null
@@ -1,10 +0,0 @@
-package com.proxgrind.chameleon.callback;
-
-public interface WriterCallback extends BaseCallback {
-    void onFinish();
-
-    void onDataInvalid();
-
-    void onTagAbnormal();
-}
- 
\ No newline at end of file