diff --git a/.gitignore b/.gitignore
index d0231a6..fdde03c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 *.hex
 *.elf
 .DS_Store
+
diff --git a/cad/.DS_Store b/cad/.DS_Store
deleted file mode 100644
index 5008ddf..0000000
Binary files a/cad/.DS_Store and /dev/null differ