diff --git a/.gitignore b/.gitignore
index 25ba057ab..0e0c9ba7b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,8 +8,10 @@ target/
 .classpath
 
 # IntelliJ IDEA
+classes/
 .idea/
 *.iml
+.DS_Store
 
 # Xalan: "Ant emulation" directories for xalan-test and distribution
 build/