diff --git a/version0.10/a.txt b/version0.10/a.txt
deleted file mode 100644
index d96e3c7..0000000
--- a/version0.10/a.txt
+++ /dev/null
@@ -1,2 +0,0 @@
-var e=e+e+e+(e)+e+(e+e)*(e+e)~e-e/e+e/e+e/(e+e);
-