diff --git a/designer-base/src/main/java/com/fr/design/fun/Feedback.java b/designer-base/src/main/java/com/fr/design/fun/Feedback.java
deleted file mode 100644
index f1e3c7971e..0000000000
--- a/designer-base/src/main/java/com/fr/design/fun/Feedback.java
+++ /dev/null
@@ -1,19 +0,0 @@
-package com.fr.design.fun;
-
-/**
- * @author richie
- * @date 2015-03-31
- * @since 8.0
- */
-public interface Feedback {
-    String MARK_STRING = "FineReport_Feedback";
-
-    void didFeedback();
-
-    Feedback EMPTY = new Feedback() {
-        @Override
-        public void didFeedback() {
-
-        }
-    };
-}
\ No newline at end of file