diff --git a/src/cdomains/intDomain.ml b/src/cdomains/intDomain.ml
index 376dab71c2..986634066c 100644
--- a/src/cdomains/intDomain.ml
+++ b/src/cdomains/intDomain.ml
@@ -282,99 +282,6 @@ end
 
 module type Z = Y with type int_t = BI.t
 
-module OldDomainFacade (Old : IkindUnawareS with type int_t = int64) : S with type int_t = BI.t and type t = Old.t =
-struct
-  include Old
-  type int_t = BI.t
-  let neg ?no_ov _ik = Old.neg
-  let add ?no_ov _ik = Old.add
-  let sub ?no_ov _ik = Old.sub
-  let mul ?no_ov _ik = Old.mul
-  let div ?no_ov _ik = Old.div
-  let rem _ik = Old.rem
-
-  let lt _ik = Old.lt
-  let gt _ik = Old.gt
-  let le _ik = Old.le
-  let ge _ik = Old.ge
-  let eq _ik = Old.eq
-  let ne _ik = Old.ne
-
-  let bitnot _ik = bitnot
-  let bitand _ik = bitand
-  let bitor  _ik = bitor
-  let bitxor _ik = bitxor
-
-  let shift_left  _ik = shift_left
-  let shift_right _ik = shift_right
-
-  let lognot _ik = lognot
-  let logand _ik = logand
-  let logor  _ik = logor
-
-
-  let to_int a = Option.map BI.of_int64 (Old.to_int a)
-
-  let equal_to (x: int_t) (a: t)=
-    try
-      Old.equal_to (BI.to_int64 x) a
-    with Z.Overflow | Failure _ -> `Top
-
-  let to_excl_list a = Option.map (BatTuple.Tuple2.map1 (List.map BI.of_int64)) (Old.to_excl_list a)
-  let of_excl_list ik xs =
-    let xs' = List.map BI.to_int64 xs in
-    Old.of_excl_list ik xs'
-
-  let to_incl_list a = Option.map (List.map BI.of_int64) (Old.to_incl_list a)
-
-  let maximal a = Option.map BI.of_int64 (Old.maximal a)
-  let minimal a = Option.map BI.of_int64 (Old.minimal a)
-
-  let of_int ik x =
-    (* If we cannot convert x to int64, we have to represent it with top in the underlying domain*)
-    try
-      Old.of_int (BI.to_int64 x)
-    with
-      Failure _ -> top_of ik
-
-  let of_bool ik b = Old.of_bool b
-  let of_interval ?(suppress_ovwarn=false) ik (l, u) =
-    try
-      Old.of_interval ~suppress_ovwarn ik (BI.to_int64 l, BI.to_int64 u)
-    with
-      Failure _ -> top_of ik
-  let of_congruence ik (c, m) =
-    try
-      Old.of_congruence ik (BI.to_int64 c, BI.to_int64 m)
-    with
-      Failure _ -> top_of ik
-
-  let starting ?(suppress_ovwarn=false) ik x =
-    try Old.starting ~suppress_ovwarn ik (BI.to_int64 x) with Failure _ -> top_of ik
-  let ending ?(suppress_ovwarn=false) ik x =
-    try Old.ending ~suppress_ovwarn ik (BI.to_int64 x) with Failure _ -> top_of ik
-
-  let join _ik = Old.join
-  let meet _ik = Old.meet
-  let narrow _ik = Old.narrow
-  let widen _ik = Old.widen
-
-  let is_top_of _ik = Old.is_top
-
-  let invariant_ikind e ik t = Old.invariant e t
-
-  let cast_to ?torg ?no_ov = Old.cast_to ?torg
-
-  let refine_with_congruence ik a b = a
-  let refine_with_interval ik a b = a
-  let refine_with_excl_list ik a b = a
-  let refine_with_incl_list ik a b = a
-
-  let project ik p t = t
-
-  let arbitrary _ik = Old.arbitrary ()
-end
-
 
 module IntDomLifter (I : S) =
 struct
diff --git a/src/cdomains/intDomain.mli b/src/cdomains/intDomain.mli
index a853c8acca..4b14aeec72 100644
--- a/src/cdomains/intDomain.mli
+++ b/src/cdomains/intDomain.mli
@@ -308,8 +308,6 @@ end
 
 module SOverflowUnlifter (D : SOverflow) : S with type int_t = D.int_t and type t = D.t
 
-module OldDomainFacade (Old : IkindUnawareS with type int_t = int64) : S with type int_t = IntOps.BigIntOps.t and type t = Old.t
-(** Facade for IntDomain implementations that do not implement the interface where arithmetic functions take an ikind parameter. *)
 
 module type Y =
 sig