diff --git a/proto/collections/collections.proto b/proto/collections/collections.proto
index f6601d87be19c2e872997546be57aaecd86d1b9e..b162e3fa60076d70a372f27468dda2463ef1feee 100644
--- a/proto/collections/collections.proto
+++ b/proto/collections/collections.proto
@@ -11,8 +11,11 @@ package content.collections;
 message Access {
   repeated common.Action actions = 1;
   repeated string hidden_fields = 5;
+
+  // Deprecated
   repeated string readonly_fields = 6;
   repeated string writeonly_fields = 7;
+
   repeated string deny_read_fields = 8;
   repeated string deny_write_fields = 9;
 }
diff --git a/proto/common/common.proto b/proto/common/common.proto
index edee74c3380eadd9380bd806752afe0d8e7a78b0..3221bdc3319e1da379daf089ca79f180e5b7f140 100644
--- a/proto/common/common.proto
+++ b/proto/common/common.proto
@@ -40,8 +40,11 @@ message Rule {
   repeated Action actions = 2;
   Access access = 3;
   repeated string hidden_fields = 5;
+
+  // Deprecated
   repeated string readonly_fields = 6;
   repeated string writeonly_fields = 7;
+
   string read_filter = 8;
   string write_filter = 9;
   repeated string deny_read_fields = 10;