diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..f0fed7efef3bf37833ef0b57f04e1a978d315c22
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+.DS_Store
+*/.DS_Store
diff --git a/01-assembly/.DS_Store b/01-assembly/.DS_Store
deleted file mode 100644
index 5008ddfcf53c02e82d7eee2e57c38e5672ef89f6..0000000000000000000000000000000000000000
Binary files a/01-assembly/.DS_Store and /dev/null differ
diff --git a/06-annotation/.DS_Store b/06-annotation/.DS_Store
deleted file mode 100644
index 5008ddfcf53c02e82d7eee2e57c38e5672ef89f6..0000000000000000000000000000000000000000
Binary files a/06-annotation/.DS_Store and /dev/null differ
diff --git a/08-submission/.DS_Store b/08-submission/.DS_Store
deleted file mode 100644
index 5008ddfcf53c02e82d7eee2e57c38e5672ef89f6..0000000000000000000000000000000000000000
Binary files a/08-submission/.DS_Store and /dev/null differ