diff --git a/Dart.gitignore b/Dart.gitignore
index bd7e39fa..dbef116d 100644
--- a/Dart.gitignore
+++ b/Dart.gitignore
@@ -19,11 +19,3 @@ doc/api/
 *.js_
 *.js.deps
 *.js.map
-
-
-# files and directories created by development environments
-*.iml         // IntelliJ
-*.ipr         // IntelliJ
-*.iws         // IntelliJ
-.idea/        // IntelliJ
-.DS_Store     // Mac