diff --git a/_extend/solon.boot.undertow.add.jsp/src/main/java/org/noear/solon/extend/undertow/jsp/Empty.java b/_extend/solon.boot.undertow.add.jsp/src/main/java/org/noear/solon/extend/undertow/jsp/Empty.java
deleted file mode 100644
index e106cc8e10..0000000000
--- a/_extend/solon.boot.undertow.add.jsp/src/main/java/org/noear/solon/extend/undertow/jsp/Empty.java
+++ /dev/null
@@ -1,7 +0,0 @@
-package org.noear.solon.extend.undertow.jsp;
-
-/**
- * 空类
- * */
-public class Empty {
-}