diff --git a/components/engine/.gitignore b/components/engine/.gitignore
index 195b04c1a6..b888745b1e 100644
--- a/components/engine/.gitignore
+++ b/components/engine/.gitignore
@@ -13,7 +13,6 @@
 .git/
 .gopath/
 .hg/
-.idea
 .vagrant*
 Vagrantfile
 a.out