diff --git a/GROUPS b/GROUPS
new file mode 100644
index 0000000000..e57fe3a541
--- /dev/null
+++ b/GROUPS
@@ -0,0 +1 @@
+csl
diff --git a/OWNERS b/OWNERS
deleted file mode 100644
index 022724eeee..0000000000
--- a/OWNERS
+++ /dev/null
@@ -1 +0,0 @@
-review_group:csl