diff --git a/.gitignore b/.gitignore
index 173b030c246..e19e36c2d2a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,5 @@
 /.project
+/.idea
 /.loadpath
 /.powrc
 /.rvmrc
diff --git a/.hgignore b/.hgignore
index cbc028a9471..e1e895da3a0 100644
--- a/.hgignore
+++ b/.hgignore
@@ -1,6 +1,7 @@
 syntax: glob
 
 .project
+.idea
 .loadpath
 .powrc
 .rvmrc