diff --git a/sorbet/rbi/shims/add_comment.rbi b/sorbet/rbi/shims/add_comment.rbi
deleted file mode 100644
index fa651ca08..000000000
--- a/sorbet/rbi/shims/add_comment.rbi
+++ /dev/null
@@ -1,5 +0,0 @@
-# typed: true
-
-class AddComment
-  extend ActiveModel::Validations
-end