diff --git a/batch-demo/a.txt b/batch-demo/a.txt
deleted file mode 100644
index 7ee209fb..00000000
--- a/batch-demo/a.txt
+++ /dev/null
@@ -1 +0,0 @@
-file a
\ No newline at end of file
diff --git a/batch-demo/b.txt b/batch-demo/b.txt
deleted file mode 100644
index 8d776cfd..00000000
--- a/batch-demo/b.txt
+++ /dev/null
@@ -1 +0,0 @@
-file b
\ No newline at end of file