diff --git a/tests/.gitignore b/tests/.gitignore
new file mode 100644
index 0000000..cba7efc
--- /dev/null
+++ b/tests/.gitignore
@@ -0,0 +1 @@
+a.out
diff --git a/tests/a.out b/tests/a.out
deleted file mode 100755
index fe76148..0000000
Binary files a/tests/a.out and /dev/null differ