diff --git a/domains/lab.dustfree.json b/domains/lab.dustfree.json
deleted file mode 100644
index a897000424..0000000000
--- a/domains/lab.dustfree.json
+++ /dev/null
@@ -1,9 +0,0 @@
-{
-  "owner": {
-    "username": "dustfree999",
-    "email": "2149563945@qq.com"
-  },
-  "records": {
-    "A": ["43.138.126.226"]
-  }
-}