diff --git a/src/lib/frontend/typechecker.ml b/src/lib/frontend/typechecker.ml
index b12e6342a2..ebb4b281a8 100644
--- a/src/lib/frontend/typechecker.ml
+++ b/src/lib/frontend/typechecker.ml
@@ -279,7 +279,6 @@ module Env = struct
     | _ -> assert false
 
   let add_fpa_builtins env =
-    (* let module FPAU = Fpa_rounding.AE in *)
     let (->.) args result = { args; result } in
     let int n = {
       c = { tt_desc = TTconst (Tint n); tt_ty = Ty.Tint} ;