diff --git a/.gitignore b/.gitignore
index e7e8fba..1d3073f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -23,3 +23,6 @@ Doxyfile
 Doxyfile.zh-cn
 DartConfiguration.tcl
 *.nupkg
+
+# Files created by OS
+*.DS_Store
diff --git a/bin/jsonschema/remotes/.DS_Store b/bin/jsonschema/remotes/.DS_Store
deleted file mode 100644
index 1d098a4..0000000
Binary files a/bin/jsonschema/remotes/.DS_Store and /dev/null differ
diff --git a/bin/jsonschema/tests/.DS_Store b/bin/jsonschema/tests/.DS_Store
deleted file mode 100644
index dae9b18..0000000
Binary files a/bin/jsonschema/tests/.DS_Store and /dev/null differ
diff --git a/bin/jsonschema/tests/draft4/.DS_Store b/bin/jsonschema/tests/draft4/.DS_Store
deleted file mode 100644
index ef14229..0000000
Binary files a/bin/jsonschema/tests/draft4/.DS_Store and /dev/null differ