diff --git a/maxkey-core/.myumldata b/maxkey-core/.myumldata
deleted file mode 100644
index 84df6294..00000000
--- a/maxkey-core/.myumldata
+++ /dev/null
@@ -1,2 +0,0 @@
-#Sun Oct 11 21:04:00 GMT+08:00 2015
-CodeGenContainer=java.util.Vector