diff --git a/.DS_Store b/.DS_Store
deleted file mode 100644
index a36068421..000000000
Binary files a/.DS_Store and /dev/null differ
diff --git a/.gitignore b/.gitignore
index 2a3655a99..bc9f898d7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -9,6 +9,10 @@
 *.userosscache
 *.sln.docstates
 
+# Operating System files
+.DS_Store
+Thumbs.db
+
 # User-specific files (MonoDevelop/Xamarin Studio)
 *.userprefs