diff --git a/hellofx/data/src/main/java/kaka/Dings.java b/hellofx/data/src/main/java/kaka/Dings.java
deleted file mode 100644
index 92ef67a..0000000
--- a/hellofx/data/src/main/java/kaka/Dings.java
+++ /dev/null
@@ -1,8 +0,0 @@
-package kaka;
-
-public class Dings {
-
-    public static int a() {
-        return 5;
-    }
-}