diff --git a/theories/typing/lib/cell.v b/theories/typing/lib/cell.v
index 7b29d2216d6fce9156f02e2a83562f4539d83168..3cd6f64b465c10fd56c6642e4146e398f5f01dbc 100644
--- a/theories/typing/lib/cell.v
+++ b/theories/typing/lib/cell.v
@@ -82,9 +82,6 @@ End cell.
 Section typing.
   Context `{typeG Σ}.
 
-  (* TODO RJ: Consider setting this globally. *)
-  Arguments ty_own : simpl never.
-
   (* Constructing a cell. *)
   Definition cell_new : val := funrec: <> ["x"] := return: ["x"].