diff --git a/src/pari.mli b/src/pari.mli
index 5d946e1..835d5b6 100644
--- a/src/pari.mli
+++ b/src/pari.mli
@@ -266,7 +266,7 @@ module Matrix : sig
   val inj : 'a t -> inj:('a -> 'b) -> 'b t
 end
 
-module rec Polynomial : sig
+module Polynomial : sig
   type 'a t = ('a polynomial, ring) typ constraint 'a = ('b, ring) typ
 
   val to_string : 'a t -> string