diff --git a/.gitignore b/.gitignore
index 1a41704c9be3..0e7cb19f2d19 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,8 +3,10 @@
 .*.swp
 .*.swo
 .idea/
+outputs/
 result
 result-*
+source/
 /doc/NEWS.html
 /doc/NEWS.txt
 /doc/manual.html