diff --git a/.gitignore b/.gitignore
index 2190de3d7b6..fbf437311b5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,6 +5,8 @@ _gist_cache
 _code_cache
 _deploy
 public
+sass.old
+source.old
 source/_stash
 source/stylesheets/screen.css
 vendor